What is Leslie Fang's specialty?

Leslie Fang (NPI 1558351734) is a Medicare-billing provider whose primary specialty is Internal Medicine in Boston, MA.

Where does Leslie Fang practice?

Leslie Fang practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1558351734.

How much does Medicare pay Leslie Fang?

Leslie Fang (NPI 1558351734) received approximately $419K in total Medicare Part B payments, serving 640 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558351734

Leslie FangMD

Internal MedicineBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,939

Unique beneficiaries

—

Total services

7,550

Distinct HCPCS

Medicare payment

$415K

Peer benchmark

Total Medicare services vs. 3,978 Internal Medicine providers in MA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

6,768

Beneficiaries

—

Total drug cost

$793K

Distinct drugs

104

Brand share

20.8%

Top prescribed drugs

Atorvastatin Calcium651 claims

Amlodipine Besylate377 claims

Olmesartan Medoxomil307 claims

Levothyroxine Sodium302 claims

Metoprolol Succinate217 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Leslie Fang's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 42 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE GENERAL HOSPITAL CORPORATION	586	4,173
Herbert Lin Nephrology · Boston, MA	87	357
Hua Lu Nephrology · Brookline, MA	54	246
Richard Sacknoff Diagnostic Radiology · Boston, MA	28	64
Anand Prabhakar Diagnostic Radiology · Boston, MA	28	71
Matthew Gilman Diagnostic Radiology · Boston, MA	27	63
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	25	109
HUGHES, ROBERT	24	177
FALLON SERVICE, INC.	24	40
George Oliveira Diagnostic Radiology · Miami, FL	24	76
MASS GENERAL BRIGHAM HOME CARE, INC.	24	97
Gerald Abbott Diagnostic Radiology · Boston, MA	24	52

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events