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HANNAH OBASI
NPI 1649775719
Internal Medicine in Los Angeles, CA

Active since March 29, 2018PECOS Enrolled
2051 MARENGO ST, LOS ANGELES, CA 90033(323) 409-1000 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2025, Apr 30, 2024, Feb 22, 2023 and 1 more (4 updates tracked since 2018).

About Hannah Obasi NPPES

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

HANNAH OBASI (NPI 1649775719) is an individual internal medicine provider in Los Angeles, California, licensed in California (A165789) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649775719
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHANNAH OBASI
Location Address2051 MARENGO STLos Angeles, CA 90033-1352
Mailing Address1200 N State St, Cta7dLos Angeles, CA 90089-1001
Phone(323) 409-1000
Sole ProprietorNo
Enumeration DateMarch 29, 2018
Last NPPES UpdateJune 27, 20254 updates tracked since enumeration
NPPES CertifiedFebruary 22, 2023
✔ NPI 1649775719 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A165789
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 A165789 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2051 MARENGO ST, Los Angeles, CA 90033
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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 (PECOS)

Hannah Obasi is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Hannah Obasi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
5.7 mi
Health Maintenance Organization
4760 W SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1134151657 (323) 783-4011

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 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
$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. ISHAQUE ALI SYED M.D.
Internal Medicine
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-3147
CANDICE MARIE PALMISANO CNS
Clinical Nurse Specialist
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-8559
HAYLEY DAWN MORGAN
Respiratory Therapist, Registered
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-7928
COUNTY OF LOS ANGELES
Psychiatric Unit
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-2800
SIDNEY STEPHEN SORRELL MD
Student in an Organized Health Care Education/Training Program
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 442-1900
MR. PAUL ANDREW SCHMIDT
Respiratory Therapist, Registered (Neonatal/Pediatrics)
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-3281
ALDONIA ANTOINETTE WYLIE SENIOR RCP
Respiratory Therapist, Registered
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (562) 385-7687
MAXIMIANO VILLALPANDO NP
Nurse Practitioner (Acute Care)
2051 MARENGO ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-5637

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 Hannah Obasi's NPI number?

The NPI number for Hannah Obasi is 1649775719. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Where is Hannah Obasi located?

Hannah Obasi practices at 2051 Marengo St, Los Angeles, CA 90033. The listed phone number is (323) 409-1000.

What is Hannah Obasi's specialty?

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

Is Hannah Obasi enrolled in Medicare?

Yes. Hannah Obasi is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hannah Obasi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Obasi reassigns Medicare benefits to Southern California Permanente Medical Group (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 Hannah Obasi'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 Hannah Obasi was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.