Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MAHIMA IYENGAR MD
NPI 1427635002
Internal Medicine in Los Angeles, CA

Active since March 28, 2021PECOS Enrolled
1670 E 120TH ST, LOS ANGELES, CA 90059(424) 338-1470 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2026, Mar 28, 2021 (2 updates tracked since 2021).

About Mahima Iyengar Md NPPES

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

MAHIMA IYENGAR MD (NPI 1427635002) is an individual internal medicine provider in Los Angeles, California, licensed in California (A189601) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1427635002
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMAHIMA IYENGARCredential: MD
Location Address1670 E 120TH STLos Angeles, CA 90059-3026
Mailing Address1670 E 120th StLos Angeles, CA 90059-3026
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateSeptember 9, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1427635002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A189601
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.
Also ListedPediatricsTaxonomy 208000000X · License A189601 (CA)
1670 E 120TH ST, Los Angeles, CA 90059

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mahima Iyengar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3173992054
PECOS Enrollment IDI20260825003960
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 Mahima Iyengar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinic/Center
1670 E 120TH ST
Los Angeles, CA 90059
  • Reassigned Medicare billing, California enrollment
  • 435 clinicians in this Medicare group

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 90059 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.

Nurse Practitioner
1670 E 120TH ST
LOS ANGELES, CA 90059
Respiratory Therapist, Registered
1670 E 120TH ST
LOS ANGELES, CA 90059
Licensed Vocational Nurse
1670 E 120TH ST
LOS ANGELES, CA 90059
Registered Nurse (Ambulatory Care)
1670 E 120TH ST
LOS ANGELES, CA 90059
Licensed Vocational Nurse
1670 E 120TH ST
LOS ANGELES, CA 90059
Licensed Vocational Nurse
1670 E 120TH ST
LOS ANGELES, CA 90059
Obstetrics & Gynecology
1670 E 120TH ST
LOS ANGELES, CA 90059
Social Worker (Clinical)
1670 E 120TH ST
LOS ANGELES, CA 90059

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 Mahima Iyengar's NPI number?

The NPI number for Mahima Iyengar is 1427635002. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Mahima Iyengar located?

Mahima Iyengar practices at 1670 E 120th St, Los Angeles, CA 90059. The listed phone number is (424) 338-1470.

What is Mahima Iyengar's specialty?

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

Is Mahima Iyengar enrolled in Medicare?

Yes. Mahima Iyengar is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mahima Iyengar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mahima Iyengar reassigns Medicare benefits to County Of Los Angeles (Los Angeles, 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 Mahima Iyengar'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 Mahima Iyengar was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.