2026 NPPES data Critical Care Medicine (Internal Medicine) Physician NPI 1063561694 MD
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MING-HUI FAN, MD

Critical Care Medicine (Internal Medicine) Physician in BOSTON, 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
945
Medicare Part D claims · 147 beneficiaries · Critical Care Medicine (Internal Medicine) Physician avg: 1K
Generic prescribing
49%
generic claims · 51% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

MING-HUI FAN, MD filed 945 Medicare Part D claims in 2023 as a Critical Care Medicine (Internal Medicine) Physician in BOSTON, Massachusetts, prescribing 49% generic.

945
Part D claims, 2023
49%
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.

MING-HUI FAN, MD's Medicare Part D volume vs every U.S. prescriber

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

945 Top 25% higher than 75% 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%). This entry sits in this band. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 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 certification likely (heuristic — not verified)

MING-HUI FAN, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations — 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 MING-HUI FAN, MD?

Quality data not reported

NPI registry status

Active

Issued 01/10/2007

NPI 1063561694

Primary specialty

Critical Care Medicine (Internal Medicine) Physician

Mid-sized

6,631 US NPIs in this specialty

Medicare Part D claims

945 12% vs specialty avg

2023 prescription claims

Specialty avg: 1,069

Specialty distribution in Massachusetts

How Critical Care Medicine (Internal Medicine) Physician compares to other specialties among Massachusetts providers

Massachusetts providers

Critical Care Medicine (Internal Medicine) Physician share within Massachusetts

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

Specialty board-certification context

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

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

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

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

MING-HUI FAN, MD appears in the CMS NPPES registry as a Critical Care Medicine (Internal Medicine) Physician provider holding MD credentials at 55 FRUIT ST, BOSTON, MA, 02114, with a listed phone of (617) 643-7972. NPI 1063561694 was issued on 01/10/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what FAN 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 945 prescription claims written by this provider, covering 147 Medicare beneficiaries and totaling roughly $617K in drug spend, split 51% brand-name and 49% 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.

Critical Care Medicine (Internal Medicine) Physician is a mid-sized specialty nationwide, with 6,631 enrolled providers across 53 states and an average of 1,069 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

55 FRUIT ST
BOSTON, MA 02114

Provider Details

NPI 1063561694
Specialty Critical Care Medicine (Internal Medicine) Physician
Credentials MD
Gender Female
NPI Issued 01/10/2007

Hospital and facility affiliations

Facilities where MING-HUI FAN, MD 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.

MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC
BOSTON, MA
THE GENERAL HOSPITAL CORPORATION
BOSTON, 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 MING-HUI FAN, MD. To verify MING-HUI FAN, MD'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 · Brand-heavy

MING-HUI FAN, MD — brand share 51.0%
Specialty average (est.)

51% brand-name claims vs 49% generic, on 945 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.

945
Total Claims
$617K
Total Drug Cost
147
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,252
Total Day Supply
34,026
Brand vs Generic
51% brand / 49% generic
Brand Drug Cost
$596K
Antibiotic Claims
120

Patient Demographics

Average Patient Age
72.5 years
Avg HCC Risk Score
1.71
Gender Split
56% female / 44% male
Age Distribution
<65: 15, 65-74: 75, 75-84: 45, 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 MING-HUI FAN, MD 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
Advair Hfa
Fluticasone Propion/Salmeterol
139
Trelegy Ellipta
Fluticasone/Umeclidin/Vilanter
107
Prednisone
71
Omeprazole
63
Azithromycin
58
Albuterol Sulfate Hfa
Albuterol Sulfate
49
Mycophenolate Mofetil
43
Azelastine Hcl
39
Incruse Ellipta
Umeclidinium Bromide
26
Symbicort
Budesonide/Formoterol Fumarate
25

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

Critical Care Medicine (Internal Medicine) Physician Overview

How MING-HUI FAN, MD fits within the Critical Care Medicine (Internal Medicine) Physician landscape nationally.

6,631
Critical Care Medicine (Internal Medicine) Physician Providers in US
53
States with Critical Care Medicine (Internal Medicine) Physician
1,069
Avg Claims per Provider

MING-HUI FAN, MD's 945 claims are below the specialty average of 1,069.

Nearby Critical Care Medicine (Internal Medicine) Physician Providers in Massachusetts

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

Compare Critical Care Medicine (Internal Medicine) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MING-HUI FAN, MD's specialty?
MING-HUI FAN, MD specializes in Critical Care Medicine (Internal Medicine) Physician and practices in BOSTON, Massachusetts. Credentials: MD.
How much does MING-HUI FAN, MD prescribe under Medicare Part D?
In 2023, MING-HUI FAN, MD wrote 945 Medicare Part D claims totaling $617K in drug costs for 147 beneficiaries.
Where is MING-HUI FAN, MD located?
MING-HUI FAN, MD is located at 55 FRUIT ST, BOSTON, MA, 02114. Phone: (617) 643-7972.
What is MING-HUI FAN, MD's NPI number?
MING-HUI FAN, MD's National Provider Identifier (NPI) is 1063561694, issued on 01/10/2007.
Does MING-HUI FAN, MD prescribe more brand-name or generic drugs?
MING-HUI FAN, MD's prescribing is 51% brand-name and 49% generic drugs by claim count, with $596K in brand drug costs.
How many Critical Care Medicine (Internal Medicine) Physician providers are there in the US?
There are 6,631 Critical Care Medicine (Internal Medicine) Physician providers across 53 states in the US. The average Critical Care Medicine (Internal Medicine) Physician provider writes 1,069 Medicare Part D claims per year.
What drugs does MING-HUI FAN, MD prescribe most often?
Based on 2023 Medicare Part D data, MING-HUI FAN, MD's most frequently prescribed drugs include Advair Hfa, Trelegy Ellipta, Prednisone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MING-HUI FAN, MD accept Medicare?
MING-HUI FAN, MD appears in CMS Medicare data with 945 Part D claims and 147 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MING-HUI FAN, MD's credentials?
MING-HUI FAN, MD's NPI is 1063561694 with credentials MD. 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