What is David Fierstein's specialty?

David Fierstein (NPI 1265507685) is a Medicare-billing provider whose primary specialty is Internal Medicine in New Hyde Park, NY.

Where does David Fierstein practice?

David Fierstein practices in New Hyde Park, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1265507685.

How much does Medicare pay David Fierstein?

David Fierstein (NPI 1265507685) received approximately $48K in total Medicare Part B payments, serving 182 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1265507685

David FiersteinMD

Internal MedicineNew Hyde Park, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

621

Unique beneficiaries

—

Total services

767

Distinct HCPCS

Medicare payment

$45K

Peer benchmark

Total Medicare services vs. 7,864 Internal Medicine providers in NY — above median (cohort median 552).

PRESCRIBING · PART D · 2024

Total Rx claims

1,346

Beneficiaries

—

Total drug cost

$29K

Distinct drugs

Brand share

8.6%

Top prescribed drugs

Amlodipine Besylate200 claims

Atorvastatin Calcium185 claims

Rosuvastatin Calcium131 claims

Metoprolol Succinate86 claims

Ramipril71 claims

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

91.8

Cost

75.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 330106

Hospital

CCN 330214

Hospital

REFERRAL NETWORK

Where David Fierstein'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). 6 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	137	1,069
NORTH SHORE UNIVERSITY HOSPITAL	22	59
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	20	110
Northwell Health Laboratories Clinical Laboratory · New Hyde Park, NY	18	69
ST. FRANCIS HOSPITAL	14	95
LONG ISLAND JEWISH MEDICAL CENTER	14	49

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Melville, NY	67	340
NORTH SHORE UNIVERSITY HOSPITAL	34	104
Quest Diagnostics Incorporated Clinical Laboratory · Clifton, NJ	22	50
Northwell Health Laboratories Clinical Laboratory · New Hyde Park, NY	16	53
LONG ISLAND JEWISH MEDICAL CENTER	16	77
ST. FRANCIS HOSPITAL	15	78
Mark Fierstein Internal Medicine · New Hyde Park, NY	13	50
Abraham Glasman Neurology · Great Neck, NY	11	37

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