What is Claire Diep's specialty?

Claire Diep (NPI 1366508707) is a Medicare-billing provider whose primary specialty is Internal Medicine in Union City, CA.

Where does Claire Diep practice?

Claire Diep practices in Union City, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1366508707.

How much does Medicare pay Claire Diep?

Claire Diep (NPI 1366508707) received approximately $186K in total Medicare Part B payments, serving 294 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1366508707

Claire DiepM.D.

PRACTICECLAIRE T DIEP MD INCSee all providers at this practice →

Internal MedicineUnion City, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

770

Unique beneficiaries

—

Total services

1,902

Distinct HCPCS

Medicare payment

$181K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

4,710

Beneficiaries

—

Total drug cost

$380K

Distinct drugs

Brand share

8.5%

Top prescribed drugs

Atorvastatin Calcium838 claims

Losartan Potassium486 claims

Amlodipine Besylate482 claims

Metformin Hcl380 claims

Metoprolol Succinate175 claims

QUALITY · MIPS · 2024

Final MIPS score

29.5

Quality

0.0

Cost

98.4

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-5.46%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Claire Diep'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 · 12 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BORST, RICHARD	15	29
Thrifty Payless Inc Mass Immunizer Roster Biller · Union City, CA	12	17
Ramiro Garcia Hospitalist · Hayward, CA	11	140

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · Sacramento, CA	70	244
Unilab Corporation Clinical Laboratory · San Jose, CA	55	162
HAYWARD SISTERS HOSPITAL	45	148
Andrew Kwai Diagnostic Radiology · New York, NY	32	68
WASHINGTON TOWNSHIP HOSPITAL DISTRICT	27	82
Kwan Chen Cardiology · Fremont, CA	25	120
Thrifty Payless Inc Mass Immunizer Roster Biller · Union City, CA	24	33
Fang Tan Ophthalmology · Fremont, CA	18	27
Thrifty Payless Inc Mass Immunizer Roster Biller · Union City, CA	16	19
BORST, RICHARD	11	20
William Tanner Diagnostic Radiology · Walnut Creek, CA	11	27
Ramiro Garcia Hospitalist · Hayward, CA	11	144

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