2026 NPPES data Rheumatology Physician NPI 1295080984 M.D
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ZAYNB HASSAN, M.D

Rheumatology Physician in PALM SPRINGS, California. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
1K
Medicare Part D claims · 163 beneficiaries · Rheumatology Physician avg: 2K
Generic prescribing
80%
generic claims · 20% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

ZAYNB HASSAN, M.D filed 1,052 Medicare Part D claims in 2023 as a Rheumatology Physician in PALM SPRINGS, California, prescribing 80% generic.

1K
Part D claims, 2023
80%
generic prescribing

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.

ZAYNB HASSAN, M.D's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

1,052 Top 24% higher than 76% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). This entry sits in this band. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. 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.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board-eligible specialty (heuristic — not verified)

ZAYNB HASSAN, M.D practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about ZAYNB HASSAN, M.D?

Quality data not reported

NPI registry status

Active

Issued 07/18/2012

NPI 1295080984

Primary specialty

Rheumatology Physician

Mid-sized

6,181 US NPIs in this specialty

Medicare Part D claims

1,052 49% vs specialty avg

2023 prescription claims

Specialty avg: 2,054

Specialty distribution in California

How Rheumatology Physician compares to other specialties among California providers

California providers

Rheumatology Physician share within California

1. Rheumatology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Rheumatology Physician share within California

Specialty board-certification context

Estimated specialty board-certified rate — Rheumatology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Rheumatology Physician ABMS/AOA estimate

Est. board-certified rate (Rheumatology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Rheumatology Physician) — ABMS / AOA estimate

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).

ZAYNB HASSAN, M.D appears in the CMS NPPES registry as a Rheumatology Physician provider holding M.D credentials at 1401 N PALM CANYON DR, PALM SPRINGS, CA, 92262, with a listed phone of (760) 656-1406. NPI 1295080984 was issued on 07/18/2012. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what HASSAN most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 1,052 prescription claims written by this provider, covering 163 Medicare beneficiaries and totaling roughly $1.2 million in drug spend, split 20% brand-name and 80% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Rheumatology Physician is a mid-sized specialty nationwide, with 6,181 enrolled providers across 52 states and an average of 2,054 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

1401 N PALM CANYON DR
PALM SPRINGS, CA 92262

Provider Details

NPI 1295080984
Specialty Rheumatology Physician
Credentials M.D
Gender Female
NPI Issued 07/18/2012

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 ZAYNB HASSAN, M.D. To verify ZAYNB HASSAN, 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 · Typical

ZAYNB HASSAN, M.D — brand share 20.0%
Specialty average (est.)

20% brand-name claims vs 80% generic, on 1,052 2023 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 2023.

1,052
Total Claims
$1.2M
Total Drug Cost
163
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,171
Total Day Supply
64,003
Brand vs Generic
20% brand / 80% generic
Brand Drug Cost
$1.1M
Generic Drug Cost
$48K

Patient Demographics

Average Patient Age
70.4 years
Avg HCC Risk Score
1.59
Gender Split
67% female / 33% male
Age Distribution
<65: 28, 65-74: 84, 75-84: 39, 85+: 12

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What ZAYNB HASSAN, M.D prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Hydroxychloroquine Sulfate
112
Methotrexate
Methotrexate Sodium
111
Diclofenac Sodium
107
Alendronate Sodium
88
Duloxetine Hcl
75
Prednisone
70
Allopurinol
49
Humira(Cf) Pen
Adalimumab
43
Meloxicam
32
Forteo
Teriparatide
21

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

Rheumatology Physician Overview

How ZAYNB HASSAN, M.D fits within the Rheumatology Physician landscape nationally.

6,181
Rheumatology Physician Providers in US
52
States with Rheumatology Physician
2,054
Avg Claims per Provider

ZAYNB HASSAN, M.D's 1,052 claims are below the specialty average of 2,054.

Nearby Rheumatology Physician Providers in California

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

Compare Rheumatology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is ZAYNB HASSAN, M.D's specialty?
ZAYNB HASSAN, M.D specializes in Rheumatology Physician and practices in PALM SPRINGS, California. Credentials: M.D.
How much does ZAYNB HASSAN, M.D prescribe under Medicare Part D?
In 2023, ZAYNB HASSAN, M.D wrote 1,052 Medicare Part D claims totaling $1.2M in drug costs for 163 beneficiaries.
Where is ZAYNB HASSAN, M.D located?
ZAYNB HASSAN, M.D is located at 1401 N PALM CANYON DR, PALM SPRINGS, CA, 92262. Phone: (760) 656-1406.
What is ZAYNB HASSAN, M.D's NPI number?
ZAYNB HASSAN, M.D's National Provider Identifier (NPI) is 1295080984, issued on 07/18/2012.
Does ZAYNB HASSAN, M.D prescribe more brand-name or generic drugs?
ZAYNB HASSAN, M.D's prescribing is 20% brand-name and 80% generic drugs by claim count, with $1.1M in brand drug costs.
How many Rheumatology Physician providers are there in the US?
There are 6,181 Rheumatology Physician providers across 52 states in the US. The average Rheumatology Physician provider writes 2,054 Medicare Part D claims per year.
What drugs does ZAYNB HASSAN, M.D prescribe most often?
Based on 2023 Medicare Part D data, ZAYNB HASSAN, M.D's most frequently prescribed drugs include Hydroxychloroquine Sulfate, Methotrexate, Diclofenac Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ZAYNB HASSAN, M.D accept Medicare?
ZAYNB HASSAN, M.D appears in CMS Medicare data with 1,052 Part D claims and 163 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ZAYNB HASSAN, M.D's credentials?
ZAYNB HASSAN, M.D's NPI is 1295080984 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

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 (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
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 April 2026 (NPPES) / 2023 (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