What is Pam Grewall's specialty?

Pam Grewall (NPI 1578580445) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Francisco, CA.

Where does Pam Grewall practice?

Pam Grewall practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1578580445.

How much does Medicare pay Pam Grewall?

Pam Grewall (NPI 1578580445) received approximately $39K in total Medicare Part B payments, serving 196 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578580445

Pam GrewallM.D.

Internal MedicineSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

278

Unique beneficiaries

—

Total services

399

Distinct HCPCS

Medicare payment

$38K

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

Beneficiaries

—

Total drug cost

$97

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pantoprazole Sodium11 claims

QUALITY · MIPS · 2024

Final MIPS score

61.0

Quality

59.4

Cost

71.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

-1.68%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$104

Payment records

By payment type

Food and Beverage$104

Top paying entities

Food and Beverage$104

REFERRAL NETWORK

Where Pam Grewall'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CARPENTER, HOWARD	49	246
STEVENS, SUSAN	47	230
Brian Bronzo Diagnostic Radiology · San Francisco, CA	46	280
Hanieh Rad Internal Medicine · Tualatin, OR	46	388
Matthew Mcandrew Hospitalist · San Francisco, CA	33	292
Edward Baker Diagnostic Radiology · San Francisco, CA	31	231
Guy Lubliner Internal Medicine · San Francisco, CA	29	293
NPI 1275567943	28	152
Garmen Woo Internal Medicine · Oakland, CA	26	207
Garret Hisatake General Surgery · San Francisco, CA	25	285
Christopher Hamerski Gastroenterology · San Francisco, CA	25	212
Myron Marx Diagnostic Radiology · San Francisco, CA	25	115

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