2026 NPPES data Geriatric Medicine (Family Medicine) Physician NPI 1851822134 DO
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AMEE PHAN, DO

Geriatric Medicine (Family Medicine) Physician in LEOMINSTER, Massachusetts. 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
5K
Medicare Part D claims · 524 beneficiaries · Geriatric Medicine (Family Medicine) Physician avg: 5K
Generic prescribing
89%
generic claims · 11% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: AMEE PHAN, DO is a Geriatric Medicine (Family Medicine) Physician ([object Object]) practicing in LEOMINSTER, Massachusetts with a Medicare Part D prescribing footprint of 5K claims across 524 beneficiaries — 11% brand-name prescribing .

What stands out: AMEE PHAN, DO filed 4,585 Medicare Part D claims in 2023 across LEOMINSTER, Massachusetts. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

AMEE PHAN, DO 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).

AMEE PHAN, DO at a glance

Quality data not reported

NPI registry status

Active

Issued 03/27/2017

NPI 1851822134

Primary specialty

Geriatric Medicine (Family Medicine) Physician

Niche

1,779 US NPIs in this specialty

Medicare Part D claims

4,585 6% vs specialty avg

2023 prescription claims

Specialty avg: 4,854

Specialty distribution in Massachusetts

How Geriatric Medicine (Family Medicine) Physician compares to other specialties among Massachusetts providers

Massachusetts providers

Geriatric Medicine (Family Medicine) Physician share within Massachusetts

1. Geriatric Medicine (Family Medicine) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Geriatric Medicine (Family Medicine) Physician share within Massachusetts

Specialty board-certification context

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

Quality data not reported
Est. board-certified rate
78%
Geriatric Medicine (Family Medicine) Physician ABMS/AOA estimate

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

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

AMEE PHAN, DO is a Geriatric Medicine (Family Medicine) Physician provider practicing in LEOMINSTER, Massachusetts, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: DO. NPI: 1851822134. 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.

AMEE PHAN, DO appears in the CMS NPPES registry as a Geriatric Medicine (Family Medicine) Physician provider holding DO credentials at 80 ERDMAN WAY STE 20, LEOMINSTER, MA, 01453, with a listed phone of (978) 534-0230. NPI 1851822134 was issued on 03/27/2017. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what PHAN 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 4,585 prescription claims written by this provider, covering 524 Medicare beneficiaries and totaling roughly $447K in drug spend, split 11% brand-name and 89% generic by claim count, with an opioid prescribing rate of 2.1%. 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.

Geriatric Medicine (Family Medicine) Physician is a narrow specialty nationwide, with 1,779 enrolled providers across 52 states and an average of 4,854 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

80 ERDMAN WAY STE 20
LEOMINSTER, MA 01453

Provider Details

NPI 1851822134
Specialty Geriatric Medicine (Family Medicine) Physician
Credentials DO
Gender Female
NPI Issued 03/27/2017

Hospital and facility affiliations

Facilities where AMEE PHAN, DO 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.

UMASS MEMORIAL MEDICAL GROUP INC
LEOMINSTER, MA

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

License & disciplinary context — Massachusetts BORIM 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 ~38K Massachusetts medical licensees in 2023 — they are NOT specific to AMEE PHAN, DO. To verify AMEE PHAN, DO's current license status, search the BORIM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

80
Total board actions, Massachusetts 2023
Across 78 cases
2.11
Actions per 1,000 licensees
Massachusetts statewide rate
probation
Most common action type
29 cases

BORIM 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 Massachusetts disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

AMEE PHAN, DO — brand share 11.0%
Specialty average (est.)

11% brand-name claims vs 89% generic, on 4,585 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.

4,585
Total Claims
$447K
Total Drug Cost
524
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
10,389
Total Day Supply
301,380
Brand vs Generic
11% brand / 89% generic
Brand Drug Cost
$338K
Generic Drug Cost
$107K
Opioid Claims
98 (2.1% rate)
Antibiotic Claims
95

Patient Demographics

Average Patient Age
72.4 years
Avg HCC Risk Score
1.21
Gender Split
69% female / 31% male
Age Distribution
<65: 75, 65-74: 227, 75-84: 155, 85+: 67

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
386
Lisinopril
251
Levothyroxine Sodium
182
Losartan Potassium
172
Amlodipine Besylate
148
Gabapentin
134
Omeprazole
111
Pantoprazole Sodium
106
Metformin Hcl
103
Metoprolol Succinate
103

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

Geriatric Medicine (Family Medicine) Physician Overview

How AMEE PHAN, DO fits within the Geriatric Medicine (Family Medicine) Physician landscape nationally.

1,779
Geriatric Medicine (Family Medicine) Physician Providers in US
52
States with Geriatric Medicine (Family Medicine) Physician
4,854
Avg Claims per Provider

AMEE PHAN, DO's 4,585 claims are below the specialty average of 4,854.

Nearby Geriatric Medicine (Family Medicine) Physician Providers in Massachusetts

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

Compare Geriatric Medicine (Family Medicine) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is AMEE PHAN, DO's specialty?
AMEE PHAN, DO specializes in Geriatric Medicine (Family Medicine) Physician and practices in LEOMINSTER, Massachusetts. Credentials: DO.
How much does AMEE PHAN, DO prescribe under Medicare Part D?
In 2023, AMEE PHAN, DO wrote 4,585 Medicare Part D claims totaling $447K in drug costs for 524 beneficiaries.
Where is AMEE PHAN, DO located?
AMEE PHAN, DO is located at 80 ERDMAN WAY STE 20, LEOMINSTER, MA, 01453. Phone: (978) 534-0230.
What is AMEE PHAN, DO's NPI number?
AMEE PHAN, DO's National Provider Identifier (NPI) is 1851822134, issued on 03/27/2017.
Does AMEE PHAN, DO prescribe more brand-name or generic drugs?
AMEE PHAN, DO's prescribing is 11% brand-name and 89% generic drugs by claim count, with $338K in brand drug costs.
Does AMEE PHAN, DO prescribe opioids?
Yes, AMEE PHAN, DO had 98 opioid claims in 2023 with an opioid prescribing rate of 2.1%.
How many Geriatric Medicine (Family Medicine) Physician providers are there in the US?
There are 1,779 Geriatric Medicine (Family Medicine) Physician providers across 52 states in the US. The average Geriatric Medicine (Family Medicine) Physician provider writes 4,854 Medicare Part D claims per year.
What drugs does AMEE PHAN, DO prescribe most often?
Based on 2023 Medicare Part D data, AMEE PHAN, DO's most frequently prescribed drugs include Atorvastatin Calcium, Lisinopril, Levothyroxine Sodium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does AMEE PHAN, DO accept Medicare?
AMEE PHAN, DO appears in CMS Medicare data with 4,585 Part D claims and 524 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify AMEE PHAN, DO's credentials?
AMEE PHAN, DO's NPI is 1851822134 with credentials DO. 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