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TAMMY HARPER NP-C
NPI 1164537023
Nurse Practitioner - Adult Health in Los Angeles, CA

Active since August 20, 2006PECOS EnrolledAccepts Medicare Assignment
1520 SAN PABLO ST, SUITE 1000, LOS ANGELES, CA 90033(323) 442-5100 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Tammy Harper Np-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAMMY HARPER NP-C (NPI 1164537023) is an individual adult health provider in Los Angeles, California, licensed in California (NP10908) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1999).

NPPES Registry Identity

NPI1164537023
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameTAMMY HARPERCredential: NP-C
Location Address1520 SAN PABLO ST, SUITE 1000Los Angeles, CA 90033-5310
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100
Phone(323) 442-5100
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1999
Enumeration DateAugust 20, 2006
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedSeptember 23, 2020
✔ NPI 1164537023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in CA · NP10908
1520 SAN PABLO ST, Los Angeles, CA 90033
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tammy Harper Np-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547261695
PECOS Enrollment IDI20070116000631
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
158 services99 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
24 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
15 suppliers304 claims28,083 services$0.31 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers33 claims6,750 services$0.01 avg. paid by Medicare
Cyclosporine, oral, 25 mg J7515
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims2,790 services$0.57 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers79 claims8,280 services$0.18 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier20 claims1,680 services$0.94 avg. paid by Medicare
Sirolimus, oral, 1 mg J7520
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers15 claims450 services$2.50 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CAROLINE HWANG M.D.
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
GISELLE MARIA PETZINGER M.D.
Psychiatry & Neurology (Neurology)
1520 SAN PABLO ST, SUITE 3000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5710
LIGAYA CASTILLO
Nurse Practitioner
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
ERICA ZOE SHOEMAKER MD
Psychiatry & Neurology (Psychiatry)
1520 SAN PABLO ST, STE 1652
LOS ANGELES, CA 90033
Los Angeles County (323) 442-6000
DR. MICHELE TORTORA PATO M.D.
Psychiatry & Neurology (Psychiatry)
1520 SAN PABLO ST, STE1652
LOS ANGELES, CA 90033
Los Angeles County (323) 442-6000
DR. EDY E SOFFER M.D.
Internal Medicine (Gastroenterology)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
DR. TRACY DEBRA LAWRENCE M.D.
Internal Medicine (Cardiovascular Disease)
1520 SAN PABLO ST, SUITE 1000
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5100
CAROLYN L. KALOOSTIAN MD
Family Medicine (Geriatric Medicine)
1520 SAN PABLO ST, 1ST FLOOR
LOS ANGELES, CA 90033
Los Angeles County (323) 442-5900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tammy Harper's NPI number?

The NPI number for Tammy Harper is 1164537023. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Where is Tammy Harper located?

Tammy Harper practices at 1520 San Pablo St Suite 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.

What is Tammy Harper's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Tammy Harper enrolled in Medicare?

Yes. Tammy Harper is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Tammy Harper was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.