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DR. ADWOA P OSEI MD. FAAP
NPI 1639378748
Pediatrics - Developmental - Behavioral Pediatrics in Riverside, CA

Active since July 17, 2007PECOS Enrolled
UCR HEALTH MULTISPECIALTY, 3390 UNIVERSITY AVE., STE., 100, RIVERSIDE, CA 92501(844) 827-8000(951) 335-0058 Get Directions Write a Review

NPPES record last updated: November 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 7, 2025, Apr 27, 2018 (2 updates tracked since 2018).

About Dr. Adwoa P Osei Md. Faap NPPES

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

DR. ADWOA P OSEI MD. FAAP (NPI 1639378748) is an individual developmental - behavioral pediatrics provider in Riverside, California, licensed in California (C153804) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639378748
Entity TypeIndividualFemale
Primary Taxonomy2080P0006X
Provider Legal NameDR. ADWOA P OSEICredential: MD. FAAP
Location AddressUCR HEALTH MULTISPECIALTY, 3390 UNIVERSITY AVE., STE., 100Riverside, CA 92501
Mailing AddressUcr Health Multispecialty, 3390 University Ave., Ste., 100Riverside, CA 92501 · (844) 827-8000 · Fax (951) 335-0058
Phone(844) 827-8000
Fax(951) 335-0058
Sole ProprietorNo
Enumeration DateJuly 17, 2007
Last NPPES UpdateNovember 7, 20252 updates tracked since enumeration
NPPES CertifiedNovember 7, 2025
✔ NPI 1639378748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in CA · C153804
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
Also ListedPediatricsTaxonomy 208000000X · License C153804 (CA)
UCR HEALTH MULTISPECIALTY, Riverside, CA 92501
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Other Identifiers 1

Medicaid200978980IN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Adwoa P Osei Md. Faap 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 Adwoa Osei reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California
1.1 mi
Family Medicine
3390 UNIVERSITY AVE STE 100
Riverside, CA 92501
  • Reassigned Medicare billing, California enrollment
  • 60 clinicians in this Medicare group
NPI 1811255060 (844) 827-8000

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

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 Adwoa Osei's NPI number?

The NPI number for Adwoa Osei is 1639378748. It was assigned to this individual provider in the NPPES registry on July 17, 2007.

Where is Adwoa Osei located?

Adwoa Osei practices at Ucr Health Multispecialty 3390 University Ave., Ste., 100, Riverside, CA 92501. The listed phone number is (844) 827-8000.

What is Adwoa Osei's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Adwoa Osei enrolled in Medicare?

Yes. Adwoa Osei is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Adwoa Osei's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adwoa Osei reassigns Medicare benefits to Regents Of The University Of California (Riverside, 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 Adwoa Osei'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 Adwoa Osei was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.