PROVIDER PROFILE · NPI 1699720573

Narinder S. Grewal, M.D., A Medical Corporation

Ambulatory Surgical CenterValencia, CAO

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

198

Unique beneficiaries

—

Total services

398

Distinct HCPCS

Medicare payment

$196K

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Narinder S. Grewal, M.D., A Medical Corporation'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jesus Lao Pain Management · San Diego, CA	309	1,229
Narinder Grewal Pain Management · Valencia, CA	296	971
Unilab Corporation Clinical Laboratory · West Hills, CA	55	134
LA GOOD SAMARITAN PATHOLOGY MEDICAL GROUP, INC.	25	47
ANTELOPE VALLEY HEALTH CARE DISTRICT	21	38
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	12	17
Millennium Health, Llc Clinical Laboratory · San Diego, CA	11	22
HO, SHIN	11	44

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