What is Peter Ma's specialty?

Peter Ma (NPI 1902831019) is a Medicare-billing provider whose primary specialty is Internal Medicine in Arcadia, CA.

Where does Peter Ma practice?

Peter Ma practices in Arcadia, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1902831019.

How much does Medicare pay Peter Ma?

Peter Ma (NPI 1902831019) received approximately $295K in total Medicare Part B payments, serving 366 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902831019

Peter MaM.D.

PRACTICEPETER YANG MA MEDICAL INCSee all providers at this practice →

Internal MedicineArcadia, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,810

Unique beneficiaries

—

Total services

4,309

Distinct HCPCS

Medicare payment

$285K

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

16,737

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

149

Brand share

15.5%

Top prescribed drugs

Amlodipine Besylate1,295 claims

Rosuvastatin Calcium1,273 claims

Atorvastatin Calcium982 claims

Losartan Potassium926 claims

Metformin Hcl741 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$575

Payment records

By payment type

Food and Beverage$575

Top paying entities

Food and Beverage$575

REFERRAL NETWORK

Where Peter Ma'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). 25 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	68	198
Mohamed El-Gabalawy Psychiatry · Pasadena, CA	50	155
MED PLUS HOSPICE CARE., INC	45	208
VITAS HEALTHCARE CORPORATION OF CALIFORNIA	35	88
Sun Clinical Laboratories Clinical Laboratory · El Monte, CA	31	115
Wilson Wong Diagnostic Radiology · Arcadia, CA	29	82
Peter Tan Internal Medicine · Arcadia, CA	27	34
Philip Zhuo Family Practice · Monterey Park, CA	27	50
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	21	40
DIAMOND HOME HEALTH SERVICES, INC	18	118
PASADENA HOSPITAL ASSOCIATION, LTD	18	29
City Of Pasadena Ambulance Service Provider · Pasadena, CA	17	30

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