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

CHINASA PHOEBE ONYEMKPA MD
NPI 1356038566
Family Medicine - Addiction Medicine in Loma Linda, CA

Active since April 18, 2023PECOS Enrolled
NICHOL HALL 2007 24951 NORTH CIRCLE DRIVE, LOMA LINDA, CA 92350(909) 558-7622 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 18, 2026, Sep 9, 2025, Oct 24, 2023 (3 updates tracked since 2023).

About Chinasa Phoebe Onyemkpa Md NPPES

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

CHINASA PHOEBE ONYEMKPA MD (NPI 1356038566) is an individual addiction medicine provider in Loma Linda, California, licensed in California (MD61686600) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1356038566
Entity TypeIndividualFemale
Primary Taxonomy207QA0401X
Provider Legal NameCHINASA PHOEBE ONYEMKPACredential: MD
Location AddressNICHOL HALL 2007 24951 NORTH CIRCLE DRIVELoma Linda, CA 92350-0001
Mailing AddressNichol Hall 2007 24951 North Circle DriveLoma Linda, CA 92350-0001 · (909) 558-7622
Phone(909) 558-7622
Sole ProprietorNo
Enumeration DateApril 18, 2023
Last NPPES UpdateAugust 18, 20263 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1356038566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
License✔ Licensed in CA · MD61686600
Definition
A family medicine physician who specializes in the diagnosis and treatment of addictions.
Also ListedFamily MedicineTaxonomy 207Q00000X · License MD61686600 (WA), MD61686600 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License ML61430895 (WA), MD61686600 (CA)
NICHOL HALL 2007 24951 NORTH CIRCLE DRIVE, Loma Linda, CA 92350
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Secondary Practice Locations 3

Location 1521 E Mountain View AveEllensburg, WA 98926-3865 · Phone (509) 962-1414 · Fax (509) 452-5224
Location 2303 E Vanderbilt WaySan Bernardino, CA 92415-0026 · Phone (909) 382-8211 ext. 68278
Location 31806 W Lincoln AveYakima, WA 98902-2473 · Phone (509) 452-4520 · Fax (509) 452-5224

Other Identifiers 1

Medicaid2255529WA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chinasa Phoebe Onyemkpa Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92350 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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 Chinasa Onyemkpa's NPI number?

The NPI number for Chinasa Onyemkpa is 1356038566. It was assigned to this individual provider in the NPPES registry on April 18, 2023.

Where is Chinasa Onyemkpa located?

Chinasa Onyemkpa practices at Nichol Hall 2007 24951 North Circle Drive, Loma Linda, CA 92350. The listed phone number is (909) 558-7622.

What is Chinasa Onyemkpa's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.

Is Chinasa Onyemkpa enrolled in Medicare?

Yes. Chinasa Onyemkpa is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Chinasa Onyemkpa was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.