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2026 NPPES data Cardiovascular Disease Physician NPI 1558474718 M.D.
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Robert Zipkin, M.D.

Cardiovascular Disease Physician in San Mateo, California.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 25,298 in Cardiovascular Disease Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
71
Medicare Part D claims · 37 beneficiaries · Cardiovascular Disease Physician avg: 3K
Generic prescribing
66%
generic claims · 34% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
84.1/100
▲ 1 pts above national avg 83.5 · Above neutral
Verify NPI on CMS Methodology
Compiled from official public sources by the editorial process.

What the federal data shows

Robert Zipkin, M.D. reported a CMS MIPS final score of 84.1/100 - above the 83.5 national average - and filed 71 Medicare Part D claims in 2024.

84.1/100
MIPS score · +1 vs avg
71
Part D claims, 2024
66%
generic prescribing
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.

Federal trust snapshot

What official records show about Robert Zipkin, M.D.

Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.

  • Verified

    NPI registry status

    Active listing in the CMS National Provider Identifier Registry (NPI 1558474718), first enumerated 08/15/2006.

    Source: CMS NPPES

  • Reported

    Medicare Part D participation

    Filed 71 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.

    Source: CMS Part D Prescriber PUF

  • Reported

    CMS quality reporting (MIPS)

    Reported a CMS MIPS final score of 84.1/100 in the Quality Payment Program — a federal quality measure, not a patient review.

    Source: CMS Quality Payment Program

  • Reported

    Board certification signal

    Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.

    Source: NUCC taxonomy + CMS participation heuristic

  • State context

    State board disciplinary context

    California statewide board action statistics are published annually — these figures describe aggregate state activity, not Robert Zipkin, M.D.'s individual license status. Verify directly with the state medical board.

    Source: MBC annual report 2023

  • Not in federal data

    Individual sanction lookup

    PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.

    Source: State medical board / FSMB

This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.

CMS NPPES provider registry desk

NPI 1558474718 · Cardiovascular Disease Physician

NPI-10 · ENUM-LEGACY · TAX-MID · MIPS-INLINE · RX-TRACE · BOOK-LIGHT · PHOTO-FINISH

  • NPI-10 1558474718
  • ENUM-LEGACY 2006
  • TAX-MID 25K Cardiovascular Disease
  • MIPS-INLINE 84.1/100
  • RX-TRACE 71
  • BOOK-LIGHT 2,322 in California
  • PHOTO-FINISH Mona Reed · ±0.0

MIPS final-score neighbourhood

Same-specialty nationwide peers by CMS final score, not geographic proximity

MIPS pts

What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).

Source CMS Quality Payment Program (MIPS) As of 2023

Robert Zipkin, M.D.'s MIPS score vs every measured U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.

84 ≥ 42nd percentile 42% of 454,083 measured providers are in lower value bands

0–10: 8,684 measured providers (2%). Below this entry. 10–20: 3,008 measured providers (1%). Below this entry. 20–30: 3,069 measured providers (1%). Below this entry. 30–40: 2,746 measured providers (1%). Below this entry. 40–50: 2,928 measured providers (1%). Below this entry. 50–60: 5,882 measured providers (1%). Below this entry. 60–70: 13,906 measured providers (3%). Below this entry. 70–80: 94,570 measured providers (21%). Below this entry. 80–90: 129,887 measured providers (29%). This entry sits in this band. 90+: 189,403 measured providers (42%). Above this entry. This provider 0 100 every measured MIPS clinician, bucketed by value

Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.

Source CMS Merit-based Incentive Payment System (MIPS) · 2023

Where Robert Zipkin, M.D. sits

This provider among cardiovascular disease physician peers

Across the 7,999 cardiovascular disease physician providers who report both Medicare Part D prescribing and a MIPS quality score, Robert Zipkin, M.D. writes more Part D claims than 3% of them and scores higher on MIPS quality than 41% - placing this provider in the lower-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.

Lower volume · High qualityHigh volume · High qualityLower volume · Lower qualityHigh volume · Lower quality0255075100023.146.269.392.4Part D claim volume, percentile in specialtyMIPS quality, percentilePoint, Part D claim volume, percentile in specialty: 80 · MIPS quality, percentile: 2Point, Part D claim volume, percentile in specialty: 53 · MIPS quality, percentile: 22Point, Part D claim volume, percentile in specialty: 18 · MIPS quality, percentile: 58Point, Part D claim volume, percentile in specialty: 22 · MIPS quality, percentile: 57Point, Part D claim volume, percentile in specialty: 93 · MIPS quality, percentile: 35Point, Part D claim volume, percentile in specialty: 10 · MIPS quality, percentile: 78Point, Part D claim volume, percentile in specialty: 50 · MIPS quality, percentile: 8Point, Part D claim volume, percentile in specialty: 5 · MIPS quality, percentile: 0Point, Part D claim volume, percentile in specialty: 7 · MIPS quality, percentile: 7Point, Part D claim volume, percentile in specialty: 30 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 90 · MIPS quality, percentile: 30Point, Part D claim volume, percentile in specialty: 57 · MIPS quality, percentile: 13Point, Part D claim volume, percentile in specialty: 63 · MIPS quality, percentile: 63Point, Part D claim volume, percentile in specialty: 95 · MIPS quality, percentile: 37Point, Part D claim volume, percentile in specialty: 42 · MIPS quality, percentile: 60Point, Part D claim volume, percentile in specialty: 43 · MIPS quality, percentile: 48Point, Part D claim volume, percentile in specialty: 73 · MIPS quality, percentile: 68Point, Part D claim volume, percentile in specialty: 62 · MIPS quality, percentile: 70Point, Part D claim volume, percentile in specialty: 85 · MIPS quality, percentile: 83Point, Part D claim volume, percentile in specialty: 35 · MIPS quality, percentile: 17Point, Part D claim volume, percentile in specialty: 13 · MIPS quality, percentile: 82Point, Part D claim volume, percentile in specialty: 45 · MIPS quality, percentile: 72Point, Part D claim volume, percentile in specialty: 17 · MIPS quality, percentile: 50Point, Part D claim volume, percentile in specialty: 40 · MIPS quality, percentile: 10Point, Part D claim volume, percentile in specialty: 70 · MIPS quality, percentile: 62Point, Part D claim volume, percentile in specialty: 0 · MIPS quality, percentile: 65Point, Part D claim volume, percentile in specialty: 27 · MIPS quality, percentile: 12Point, Part D claim volume, percentile in specialty: 15 · MIPS quality, percentile: 67Point, Part D claim volume, percentile in specialty: 58 · MIPS quality, percentile: 18Point, Part D claim volume, percentile in specialty: 32 · MIPS quality, percentile: 75Point, Part D claim volume, percentile in specialty: 78 · MIPS quality, percentile: 28Point, Part D claim volume, percentile in specialty: 8 · MIPS quality, percentile: 40Point, Part D claim volume, percentile in specialty: 33 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 37 · MIPS quality, percentile: 3Point, Part D claim volume, percentile in specialty: 12 · MIPS quality, percentile: 15Point, Part D claim volume, percentile in specialty: 3 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 98 · MIPS quality, percentile: 27Point, Part D claim volume, percentile in specialty: 52 · MIPS quality, percentile: 85Point, Part D claim volume, percentile in specialty: 38 · MIPS quality, percentile: 77Point, Part D claim volume, percentile in specialty: 20 · MIPS quality, percentile: 5Point, Part D claim volume, percentile in specialty: 100 · MIPS quality, percentile: 43Point, Part D claim volume, percentile in specialty: 83 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 88 · MIPS quality, percentile: 73Point, Part D claim volume, percentile in specialty: 48 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 97 · MIPS quality, percentile: 80Point, Part D claim volume, percentile in specialty: 72 · MIPS quality, percentile: 52Point, Part D claim volume, percentile in specialty: 55 · MIPS quality, percentile: 55Point, Part D claim volume, percentile in specialty: 82 · MIPS quality, percentile: 53Point, Part D claim volume, percentile in specialty: 67 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 23 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 28 · MIPS quality, percentile: 45Point, Part D claim volume, percentile in specialty: 68 · MIPS quality, percentile: 33Point, Part D claim volume, percentile in specialty: 77 · MIPS quality, percentile: 38Point, Part D claim volume, percentile in specialty: 75 · MIPS quality, percentile: 88Point, Part D claim volume, percentile in specialty: 47 · MIPS quality, percentile: 23Point, Part D claim volume, percentile in specialty: 87 · MIPS quality, percentile: 20Point, Part D claim volume, percentile in specialty: 60 · MIPS quality, percentile: 25Point, Part D claim volume, percentile in specialty: 65 · MIPS quality, percentile: 87Point, Part D claim volume, percentile in specialty: 25 · MIPS quality, percentile: 40Point, Part D claim volume, percentile in specialty: 92 · MIPS quality, percentile: 32Robert Zipkin, M.D., Part D claim volume, percentile in specialty: 3 · MIPS quality, percentile: 41
Part D claim volume vs MIPS quality, by specialty percentile

Each dot is one cardiovascular disease physician peer from a representative sample of 60; the gold marker is Robert Zipkin, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.

✓
Board certification likely (heuristic, not verified)

Robert Zipkin, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Robert Zipkin, M.D.?

Near national average

NPI registry status

Active

Issued 08/15/2006

NPI 1558474718

Primary specialty

Cardiovascular Disease Physician

Mid-sized

25,298 US NPIs in this specialty

Medicare Part D claims

71 98% vs specialty avg

2024 prescription claims

Specialty avg: 3,149

MIPS final score

84.1/100 0.6 pts vs avg

Above neutral band

vs 83.5 national avg

Specialty distribution in California

How Cardiovascular Disease Physician compares to other specialties among California providers

California providers
Behavior Technician17.9%Marriage & Family Therapist5.4%Student in an Organized Heal…5.1%Mental Health Counselor3.7%Pharmacist3.4%Clinical Social Worker3.1%Cardiovascular Disease Physi…0.2%
Largest specialties in California (% of in-state providers)

Medicare quality performance, MIPS

Robert Zipkin, M.D.'s 2023 MIPS final score plotted against the Cardiovascular Disease Physician national average

Near national average
MIPS Final Score
84.1/100
vs 83.5 national avg · 2023 performance year
0%100%National avg84%84.1%
MIPS final score (Cardiovascular Disease Physician) - 84.1/100 vs national avg 83.5
How MIPS and board certification work

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

Practice Address

50 S SAN MATEO DR
San Mateo, CA 94401
(650) 652-8600

Provider Details

NPI 1558474718
Specialty Cardiovascular Disease Physician
Credentials M.D.
Gender Male
NPI Issued 08/15/2006

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

84.0954
Final Score
Measured-score avg: 83.5
87.4718
Quality
59.5128
Cost
100
Promoting Interoperability

Reporting: Group practice

License & disciplinary context - California MBC 2023 annual report

Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~150K California medical licensees in 2023 - they are NOT specific to Robert Zipkin, M.D.. To verify Robert Zipkin, M.D.'s current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases

MBC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Above average

Robert Zipkin, M.D. - brand share 34.0%
Cardiovascular Disease Physician average

34% brand-name claims vs 66% generic, on 71 2024 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2024.

71
Total Claims
$36K
Total Drug Cost
37
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
200.3
Total Day Supply
6,009
Brand vs Generic
34% brand / 66% generic
Brand Drug Cost
$35K
Generic Drug Cost
$818

Patient Demographics

Average Patient Age
78.6 years
Avg HCC Risk Score
1.60
Gender Split
41% female / 59% male
Age Distribution
<65: 0, 65-74: 12, 75-84: 14, 85+: 11

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.

Drug Claims
Eliquis
Apixaban
17

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

More Cardiovascular Disease Physician in CA → All providers in California → Compare specialties →

Cardiovascular Disease Physician Overview

How Robert Zipkin, M.D. fits within the Cardiovascular Disease Physician landscape nationally.

25,298
Cardiovascular Disease Physician Providers in US
54
States with Cardiovascular Disease Physician
3,149
Avg Claims per Provider

Robert Zipkin, M.D.'s 71 claims are below the specialty average of 3,149.

Nationwide Cardiovascular Disease Physician peers with similar MIPS or enrollment year

Two federal-record peer sets for Zipkin, both outside California so the neighborhoods are not geographic containment.

Similar MIPS final score

Nearest same-specialty clinicians by CMS MIPS final score (84.1 here).

Mona Reed 84.1 OH Michael Deucher 84.1 OH Bartolomeo Giannattasio 84.1 OH Touraj Taghizadeh 84.1 OH

Same NPPES enumeration year (2006)

Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.

Jon Bergset Boise, ID Michael Swistak Bellevue, WA Margarita Pascual Astoria, NY M. Holmberg Omaha, NE

Nearby Cardiovascular Disease Physician Providers in California

Other clinicians with the same primary specialty enrolled in California, drawn from the same CMS NPPES roster as Zipkin.

One of 2,322 Cardiovascular Disease Physician providers enrolled in California, 5 are shown here.

Dr. Abdul Abbasi
MD
Long Beach, CA
Dr. Lillian Abdelmalek
MD
Sacramento, CA
Robin Abdelmalik
M.D. FACC
Temecula, CA
Dr. Roberto Abdelnur
MD
El Centro, CA
Dr. Sohail Abdi-Moradi
M.D.
Moorpark, CA

Compare Cardiovascular Disease Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is Robert Zipkin, M.D.'s specialty? ▼
Robert Zipkin, M.D. specializes in Cardiovascular Disease Physician and practices in San Mateo, California. Credentials: M.D..
How much does Robert Zipkin, M.D. prescribe under Medicare Part D? ▼
In 2024, Robert Zipkin, M.D. wrote 71 Medicare Part D claims totaling $36K in drug costs for 37 beneficiaries.
What is Robert Zipkin, M.D.'s Medicare quality score? ▼
Robert Zipkin, M.D. has a CMS MIPS Final Score of 84.1/100 (Quality: 87.5, Cost: 59.5). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Robert Zipkin, M.D. located? ▼
Robert Zipkin, M.D. is located at 50 S SAN MATEO DR, San Mateo, CA, 94401. Phone: (650) 652-8600.
What is Robert Zipkin, M.D.'s NPI number? ▼
Robert Zipkin, M.D.'s National Provider Identifier (NPI) is 1558474718, issued on 08/15/2006.
Does Robert Zipkin, M.D. prescribe more brand-name or generic drugs? ▼
Robert Zipkin, M.D.'s prescribing is 34% brand-name and 66% generic drugs by claim count, with $35K in brand drug costs.
How many Cardiovascular Disease Physician providers are there in the US? ▼
There are 25,298 Cardiovascular Disease Physician providers across 54 states in the US. The average Cardiovascular Disease Physician provider writes 3,149 Medicare Part D claims per year.
What drugs does Robert Zipkin, M.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, Robert Zipkin, M.D.'s most frequently prescribed drugs include Eliquis. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Robert Zipkin, M.D. accept Medicare? ▼
Robert Zipkin, M.D. appears in CMS Medicare data with 71 Part D claims and 37 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Robert Zipkin, M.D.'s credentials? ▼
Robert Zipkin, M.D.'s NPI is 1558474718 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

View source datasets and methodology notes
Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.