What is Tammy Harper's specialty?

Tammy Harper (NPI 1164537023) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Los Angeles, CA.

Where does Tammy Harper practice?

Tammy Harper practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1164537023.

How much does Medicare pay Tammy Harper?

Tammy Harper (NPI 1164537023) received approximately $9K in total Medicare Part B payments, serving 122 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164537023

Tammy HarperNP-C

PRACTICEUSC UNIVERSITY HOSPITALSee all providers at this practice →

Nurse PractitionerLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

118

Unique beneficiaries

—

Total services

182

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 8,685 Nurse Practitioner providers in CA — below median (cohort median 222).

PRESCRIBING · PART D · 2024

Total Rx claims

875

Beneficiaries

—

Total drug cost

$319K

Distinct drugs

Brand share

23.5%

Top prescribed drugs

Tacrolimus202 claims

Pantoprazole Sodium76 claims

Prednisone61 claims

Furosemide52 claims

Rifaximin49 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$11K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$8K

Travel and Lodging$2K

Food and Beverage$738

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$8K

Travel and Lodging$2K

Food and Beverage$738

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050660

Hospital

CCN 050696

Hospital

REFERRAL NETWORK

Where Tammy Harper'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 · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Tse-Ling Fong Gastroenterology · Los Angeles, CA	49	180
Unilab Corporation Clinical Laboratory · West Hills, CA	40	193
Mazen Noureddin Gastroenterology · Houston, TX	20	67
Brian Kim Gastroenterology · Los Angeles, CA	15	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
UNIVERSITY OF SOUTHERN CALIFORNIA	128	686
Saro Khemichian Gastroenterology · Los Angeles, CA	37	185
UNIVERSITY OF SOUTHERN CALIFORNIA	32	80
Unilab Corporation Clinical Laboratory · West Hills, CA	32	203
Tse-Ling Fong Gastroenterology · Los Angeles, CA	31	105
Jeffrey Kahn Gastroenterology · Los Angeles, CA	26	90
Mazen Noureddin Gastroenterology · Houston, TX	23	64
Brian Kim Gastroenterology · Los Angeles, CA	18	38
Suzanne Palmer Diagnostic Radiology · West Hollywood, CA	16	24
Harshawn Malhi Diagnostic Radiology · Los Angeles, CA	13	23

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