What is Andrea Williams's specialty?

Andrea Williams (NPI 1396733135) is a Medicare-billing provider whose primary specialty is Family Practice in Oakland, CA.

Where does Andrea Williams practice?

Andrea Williams practices in Oakland, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1396733135.

How much does Medicare pay Andrea Williams?

Andrea Williams (NPI 1396733135) received approximately $254 in total Medicare Part B payments, serving 15 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1396733135

Andrea WilliamsMD

PRACTICEPETER B SLABAUGHSee all providers at this practice →

Family PracticeOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$67

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amlodipine Besylate13 claims

Cephalexin13 claims

QUALITY · MIPS · 2024

Final MIPS score

95.2

Quality

86.9

Cost

72.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.85%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Andrea Williams'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). 4 inbound referrers · 3 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALAMEDA HEALTH SYSTEM	91	243
Dipankar Ghosh Internal Medicine · Oakland, CA	26	55
Farhad Sani Diagnostic Radiology · Edina, MN	13	14
NPI 1487664983	12	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Dipankar Ghosh Internal Medicine · Oakland, CA	87	137
ALAMEDA HEALTH SYSTEM	52	113
NPI 1487664983	17	24

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