PROVIDER PROFILE · NPI 1538260765

Alexander GrinbergM.D.

PsychiatrySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 2,213 Psychiatry providers in CA — bottom quintile (cohort median 203).

PRESCRIBING · PART D · 2024

Total Rx claims

2,867

Beneficiaries

—

Total drug cost

$99K

Distinct drugs

Brand share

11.6%

Top prescribed drugs

Quetiapine Fumarate259 claims

Memantine Hcl209 claims

Risperidone198 claims

Mirtazapine186 claims

Sertraline Hcl183 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Alexander Grinberg'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1447682380	42	57
Inessa Svidler General Practice · San Francisco, CA	24	46
Karina Arzumanova Internal Medicine · San Francisco, CA	20	38
Tatyana Chursina Physician Assistant · Sacramento, CA	18	23
NPI 1174600480	13	16
HUIE, MICHAEL	12	13
LIEF, LAURENCE	11	15

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