What is Andrew Ma's specialty?

Andrew Ma (NPI 1528299708) is a Medicare-billing provider whose primary specialty is Infectious Disease in Thousand Oaks, CA.

Where does Andrew Ma practice?

Andrew Ma practices in Thousand Oaks, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1528299708.

How much does Medicare pay Andrew Ma?

Andrew Ma (NPI 1528299708) received approximately $228K in total Medicare Part B payments, serving 535 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1528299708

Andrew MaMD

Infectious DiseaseThousand Oaks, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,061

Unique beneficiaries

—

Total services

51,305

Distinct HCPCS

Medicare payment

$202K

Peer benchmark

Total Medicare services vs. 583 Infectious Disease providers in CA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

Total Rx claims

347

Beneficiaries

—

Total drug cost

$185K

Distinct drugs

Brand share

45.2%

Top prescribed drugs

Ceftriaxone Sodium32 claims

Azithromycin32 claims

Ertapenem Sodium31 claims

Albuterol Sulfate29 claims

Ethambutol Hcl25 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

75.9

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$117

Payment records

By payment type

Food and Beverage$117

Top paying entities

Food and Beverage$117

REFERRAL NETWORK

Where Andrew 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). 30 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LOS ROBLES REGIONAL MEDICAL CENTER	134	589
Sanjiv Sheel Diagnostic Radiology · Edina, MN	66	199
David Aufrichtig Diagnostic Radiology · Thousand Oaks, CA	61	207
Monica Amantia Diagnostic Radiology · Studio City, CA	60	167
Jason Lee Diagnostic Radiology · Thousand Oaks, CA	58	152
Barry Klein Diagnostic Radiology · Thousand Oaks, CA	57	177
American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA	50	105
Catherine Moses Diagnostic Radiology · Thousand Oaks, CA	47	127
Ramesh Nathan Infectious Disease · Thousand Oaks, CA	46	139
Sujay Dutta Infectious Disease · Thousand Oaks, CA	41	93
Mounir El Fatmi Internal Medicine · Thousand Oaks, CA	29	172
Ramin Mehdian Pulmonary Disease · Newbury Park, CA	27	96

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