What is Mariam Hasan's specialty?

Mariam Hasan (NPI 1851604847) is a Medicare-billing provider whose primary specialty is Internal Medicine in Oakland, CA.

Where does Mariam Hasan practice?

Mariam Hasan practices in Oakland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1851604847.

How much does Medicare pay Mariam Hasan?

Mariam Hasan (NPI 1851604847) received approximately $14K in total Medicare Part B payments, serving 38 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851604847

Mariam HasanM.D

PRACTICEPETER B SLABAUGHSee all providers at this practice →

Internal MedicineOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

126

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

4,115

Beneficiaries

—

Total drug cost

$203K

Distinct drugs

Brand share

17.4%

Top prescribed drugs

Amlodipine Besylate266 claims

Atorvastatin Calcium234 claims

Levothyroxine Sodium225 claims

Metformin Hcl193 claims

Alendronate Sodium144 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$306

Payment records

By payment type

Food and Beverage$306

Top paying entities

Food and Beverage$306

REFERRAL NETWORK

Where Mariam Hasan'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). 60 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SAN JOSE HEALTHCARE SYSTEM, L.P.	337	1,696
GOOD SAMARITAN HOSPITAL, L.P.	167	301
Conway Lien Diagnostic Radiology · Stanford, CA	121	648
Keith Kwok Diagnostic Radiology · Tracy, CA	116	898
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	70	559
Wayne Tran Diagnostic Radiology · San Francisco, CA	69	384
Azita Yavari Internal Medicine · San Jose, CA	51	584
Kyle Yu Diagnostic Radiology · Tracy, CA	51	289
T Singh Diagnostic Radiology · Stanford, CA	47	208
Richard Porzio Diagnostic Radiology · Tracy, CA	42	303
Matthew Tran Diagnostic Radiology · San Jose, CA	41	69
Gerald Weiss Pathology · San Jose, CA	40	253

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