DR. CHETACHI A OKEREKE M.D, M.B.B.S
NPI 1083842199
Internal Medicine - Rheumatology in Walnut Creek, CA

Q: What is Chetachi Okereke's NPI number?

The NPI number for Chetachi Okereke is 1083842199. It was assigned to this individual provider in the NPPES registry on June 26, 2009.

Q: What is Chetachi Okereke's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Chetachi Okereke was last updated on February 11, 2022. 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.

Active since June 26, 2009PECOS EnrolledAccepts Medicare Assignment

1840 SAN MIGUEL DR, SUITE 203, WALNUT CREEK, CA 94596(510) 712-9968 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Chetachi A Okereke M.d, M.b.b.s NPPES

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

DR. CHETACHI A OKEREKE M.D, M.B.B.S (NPI 1083842199) is an individual rheumatology provider in Walnut Creek, California, licensed in California (A109220) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1083842199

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameDR. CHETACHI A OKEREKECredential: M.D, M.B.B.S

Location Address1840 SAN MIGUEL DR, SUITE 203Walnut Creek, CA 94596-8602

Mailing Address1840 San Miguel DrWalnut Creek, CA 94596-8602 · (925) 280-9400

Phone(510) 712-9968

Sole ProprietorYes

Medical School CMSOtherGraduated 2001

Enumeration DateJune 26, 2009

Last NPPES UpdateFebruary 11, 2022

✔ NPI 1083842199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · A109220

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedInternal MedicineTaxonomy 207R00000X · License A109220 (CA)

1840 SAN MIGUEL DR, Walnut Creek, CA 94596

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Chetachi A Okereke M.d, M.b.b.s 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 ID3274760830

PECOS Enrollment IDI20131206000186

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 94596 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. TANYA MERCEDES BUDIARTO DPT

Physical Therapist

1840 SAN MIGUEL DR
WALNUT CREEK, CA 94596

Contra Costa County (925) 378-7652

SHU-LING LIN L.AC

Acupuncturist

1840 SAN MIGUEL DR
WALNUT CREEK, CA 94596

Contra Costa County (510) 926-7256

KELLY MAUREEN KERR DPT

Physical Therapist

1840 SAN MIGUEL DR, STE 100
WALNUT CREEK, CA 94596

Contra Costa County (650) 685-4800

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 Chetachi Okereke's NPI number?

The NPI number for Chetachi Okereke is 1083842199. It was assigned to this individual provider in the NPPES registry on June 26, 2009.

Where is Chetachi Okereke located?

Chetachi Okereke practices at 1840 San Miguel Dr Suite 203, Walnut Creek, CA 94596. The listed phone number is (510) 712-9968.

What is Chetachi Okereke's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Chetachi Okereke enrolled in Medicare?

Yes. Chetachi Okereke 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.

When was this NPI record last updated?

The NPPES record for Chetachi Okereke was last updated on February 11, 2022. 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.