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DR. LISA KERESTEDJIAN M.D.
NPI 1033472311
Internal Medicine in Downey, CA

Active since June 21, 2012PECOS EnrolledAccepts Medicare Assignment
9449 IMPERIAL HWY, DOWNEY, CA 90242(800) 823-4040 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 6, 2021, Nov 11, 2015 (2 updates tracked since 2015).

About Dr. Lisa Kerestedjian M.d. NPPES

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

DR. LISA KERESTEDJIAN M.D. (NPI 1033472311) is an individual internal medicine provider in Downey, California, licensed in California (A138488) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1033472311
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LISA KERESTEDJIANCredential: M.D.
Location Address9449 IMPERIAL HWYDowney, CA 90242-2814
Mailing Address9449 Imperial HwyDowney, CA 90242-2814
Phone(800) 823-4040
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJune 21, 2012
Last NPPES UpdateDecember 6, 20212 updates tracked since enumeration
✔ NPI 1033472311 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A138488
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9449 IMPERIAL HWY, Downey, CA 90242
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lisa Kerestedjian M.d. 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 ID3274833991
PECOS Enrollment IDI20151202002943
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.

Medicare Billing Reassignment

Medicare enrollment records show Lisa Kerestedjian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1.1 mi
Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1043242555 (562) 461-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90242 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

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. STEPHANIE ANNE KINGMAN ANGARITA M.D.
Surgery (Surgical Oncology)
9449 IMPERIAL HWY, ORCHARD A 309
DOWNEY, CA 90242
Los Angeles County (562) 657-2713
NIKKI DU PHARM.D.
Pharmacist (Pharmacotherapy)
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-2334
DR. JOON CHA PHARM.D.
Pharmacist
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-2026
DR. MICHAEL BENJAMIN BREWER MD
Surgery (Vascular Surgery)
9449 IMPERIAL HWY, ORCHARD MEDICAL OFFICES - BLDG A - SUITE 309
DOWNEY, CA 90242
Los Angeles County (562) 657-2751
JALPA N SHAH PT
Physical Therapist
9449 IMPERIAL HWY, GARDEN MEDICAL OFFICE, 3RD FLOOR, PM&R DEPT.
DOWNEY, CA 90242
Los Angeles County (562) 657-2212
DR. AUSTIN GODFREY EVANS D.O.
Internal Medicine
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (626) 590-4601
KIRTISHA DANIELLE NELSON
Surgery
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (833) 574-2273
CLAUDIA IBETH GONZALEZ PHARMD
Pharmacist
9449 IMPERIAL HWY
DOWNEY, CA 90242
Los Angeles County (562) 657-2604

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 Lisa Kerestedjian's NPI number?

The NPI number for Lisa Kerestedjian is 1033472311. It was assigned to this individual provider in the NPPES registry on June 21, 2012.

Where is Lisa Kerestedjian located?

Lisa Kerestedjian practices at 9449 Imperial Hwy, Downey, CA 90242. The listed phone number is (800) 823-4040.

What is Lisa Kerestedjian's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lisa Kerestedjian enrolled in Medicare?

Yes. Lisa Kerestedjian 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.

Which organization bills Medicare for Lisa Kerestedjian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Kerestedjian reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lisa Kerestedjian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lisa Kerestedjian was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.