PROVIDER PROFILE · NPI 1114942794

Kevin GrumbachMD

Family PracticeSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

139

Distinct HCPCS

Medicare payment

$12K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — below median (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

650

Beneficiaries

—

Total drug cost

$69K

Distinct drugs

Brand share

27.1%

Top prescribed drugs

Atorvastatin Calcium53 claims

Amlodipine Besylate39 claims

Metformin Hcl36 claims

Tamsulosin Hcl31 claims

Omeprazole29 claims

QUALITY · MIPS · 2024

Final MIPS score

97.3

Quality

89.9

Cost

78.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.94%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050228

Hospital

REFERRAL NETWORK

Where Kevin Grumbach'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). 6 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CITY & COUNTY OF SAN FRANCISCO	64	234
Terry Lynch Diagnostic Radiology · San Francisco, CA	28	44
Thienkhai Vu Diagnostic Radiology · San Francisco, CA	16	32
NPI 1205881968	14	24
Claudia Mooney Family Practice · San Francisco, CA	13	18
Jordan Chase Family Practice · San Francisco, CA	11	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CITY & COUNTY OF SAN FRANCISCO	70	337
Terry Lynch Diagnostic Radiology · San Francisco, CA	22	36
NPI 1205881968	15	25
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO	15	89
Thienkhai Vu Diagnostic Radiology · San Francisco, CA	13	27

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