What is Charmian Cohen's specialty?

Charmian Cohen (NPI 1003929043) is a Medicare-billing provider whose primary specialty is Internal Medicine in Riverhead, NY.

Where does Charmian Cohen practice?

Charmian Cohen practices in Riverhead, NY, based on the location reported in the CMS Medicare provider datasets for NPI 1003929043.

How much does Medicare pay Charmian Cohen?

Charmian Cohen (NPI 1003929043) received approximately $22K in total Medicare Part B payments, serving 37 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1003929043

Charmian CohenM.D.

Internal MedicineRiverhead, NYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

173

Distinct HCPCS

Medicare payment

$20K

PRESCRIBING · PART D · 2024

Total Rx claims

573

Beneficiaries

—

Total drug cost

$185K

Distinct drugs

Brand share

58.1%

Top prescribed drugs

Levothyroxine Sodium144 claims

Metformin Hcl57 claims

Levothyroxine Sodium53 claims

Insulin Degludec49 claims

Semaglutide34 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$24

Payment records

By payment type

Education$24

Top paying entities

Education$24

REFERRAL NETWORK

Where Charmian Cohen'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). 3 inbound referrers · 11 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	30	88
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	19	36
Daniel Gurell Diagnostic Radiology · Bronx, NY	12	37

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
MONTEFIORE MEDICAL CENTER	263	1,080
Quest Diagnostics Incorporated Clinical Laboratory · Clifton, NJ	103	294
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	36	61
Daniel Gurell Diagnostic Radiology · Bronx, NY	30	74
Bioreference Health, Llc Clinical Laboratory · Elmwood Park, NJ	25	80
Robert Bernstein Diagnostic Radiology · Bronx, NY	16	34
Sunrise Medical Laboratories, Inc. Clinical Laboratory · Hicksville, NY	14	25
David Noble Diagnostic Radiology · Bronx, NY	11	18
Rajesh Bhatnagar Neurology · Bronx, NY	11	21
LICHTENSTEIN, RALPH	11	18
SHIEL HOLDINGS LLC	11	27

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