2026 NPPES data Internal Medicine Physician NPI 1447262126 M.D.
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JOHN ANDREWS, M.D.

Internal Medicine Physician in SANTA MONICA, 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
2K
Medicare Part D claims · 161 beneficiaries · Internal Medicine Physician avg: 3K
Generic prescribing
81%
generic claims · 19% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$261.76
12 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: JOHN ANDREWS, M.D. is a Internal Medicine Physician ([object Object]) practicing in SANTA MONICA, California with a Medicare Part D prescribing footprint of 2K claims across 161 beneficiaries — 19% brand-name prescribing . Industry payments of $261.76 across 12 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: JOHN ANDREWS, M.D. filed 1,509 Medicare Part D claims in 2023 across SANTA MONICA, California. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

JOHN ANDREWS, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

JOHN ANDREWS, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 08/12/2006

NPI 1447262126

Primary specialty

Internal Medicine Physician

High-volume

172,858 US NPIs in this specialty

Medicare Part D claims

1,509 44% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

Specialty distribution in California

How Internal Medicine Physician compares to other specialties among California providers

California providers

Internal Medicine Physician share within California

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Internal Medicine 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).

JOHN ANDREWS, M.D. is a Internal Medicine Physician provider practicing in SANTA MONICA, California, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1447262126. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

JOHN ANDREWS, M.D. appears in the CMS NPPES registry as a Internal Medicine Physician provider holding M.D. credentials at 2121 WILSHIRE BLVD STE 307, SANTA MONICA, CA, 90403, with a listed phone of (310) 264-0165. NPI 1447262126 was issued on 08/12/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ANDREWS 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 1,509 prescription claims written by this provider, covering 161 Medicare beneficiaries and totaling roughly $213K in drug spend, split 19% brand-name and 81% generic by claim count, with an opioid prescribing rate of 2.2%. 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.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,858 enrolled providers across 56 states and an average of 2,716 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

2121 WILSHIRE BLVD STE 307
SANTA MONICA, CA 90403

Provider Details

NPI 1447262126
Specialty Internal Medicine Physician
Credentials M.D.
Gender Male
NPI Issued 08/12/2006

Hospital and facility affiliations

Facilities where JOHN ANDREWS, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

WESTSIDE INTERNAL MEDICINE
SANTA MONICA, CA

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for JOHN ANDREWS, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$262

Largest payer

Amgen Inc.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

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 JOHN ANDREWS, M.D.. To verify JOHN ANDREWS, 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

JOHN ANDREWS, M.D. — brand share 19.0%
Specialty average (est.)

19% brand-name claims vs 81% generic, on 1,509 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.

1,509
Total Claims
$213K
Total Drug Cost
161
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,188
Total Day Supply
92,190
Brand vs Generic
19% brand / 81% generic
Brand Drug Cost
$171K
Generic Drug Cost
$41K
Opioid Claims
33 (2.2% rate)
Antibiotic Claims
49

Patient Demographics

Average Patient Age
76.1 years
Avg HCC Risk Score
0.84
Gender Split
42% female / 58% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Atorvastatin Calcium
98
Rosuvastatin Calcium
98
Metformin Hcl Er
Metformin Hcl
61
Synthroid
Levothyroxine Sodium
60
Amlodipine Besylate
50
Losartan Potassium
50
Levothyroxine Sodium
49
Metoprolol Succinate
49
Ozempic
Semaglutide
38
Allopurinol
36

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

Internal Medicine Physician Overview

How JOHN ANDREWS, M.D. fits within the Internal Medicine Physician landscape nationally.

172,858
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider

JOHN ANDREWS, M.D.'s 1,509 claims are below the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in California

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

Compare Internal Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is JOHN ANDREWS, M.D.'s specialty?
JOHN ANDREWS, M.D. specializes in Internal Medicine Physician and practices in SANTA MONICA, California. Credentials: M.D..
How much does JOHN ANDREWS, M.D. prescribe under Medicare Part D?
In 2023, JOHN ANDREWS, M.D. wrote 1,509 Medicare Part D claims totaling $213K in drug costs for 161 beneficiaries.
Where is JOHN ANDREWS, M.D. located?
JOHN ANDREWS, M.D. is located at 2121 WILSHIRE BLVD STE 307, SANTA MONICA, CA, 90403. Phone: (310) 264-0165.
What is JOHN ANDREWS, M.D.'s NPI number?
JOHN ANDREWS, M.D.'s National Provider Identifier (NPI) is 1447262126, issued on 08/12/2006.
Does JOHN ANDREWS, M.D. prescribe more brand-name or generic drugs?
JOHN ANDREWS, M.D.'s prescribing is 19% brand-name and 81% generic drugs by claim count, with $171K in brand drug costs.
Does JOHN ANDREWS, M.D. prescribe opioids?
Yes, JOHN ANDREWS, M.D. had 33 opioid claims in 2023 with an opioid prescribing rate of 2.2%.
How many Internal Medicine Physician providers are there in the US?
There are 172,858 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,716 Medicare Part D claims per year.
What drugs does JOHN ANDREWS, M.D. prescribe most often?
Based on 2023 Medicare Part D data, JOHN ANDREWS, M.D.'s most frequently prescribed drugs include Atorvastatin Calcium, Rosuvastatin Calcium, Metformin Hcl Er. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does JOHN ANDREWS, M.D. accept Medicare?
JOHN ANDREWS, M.D. appears in CMS Medicare data with 1,509 Part D claims and 161 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify JOHN ANDREWS, M.D.'s credentials?
JOHN ANDREWS, M.D.'s NPI is 1447262126 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