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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.

DR. CHUKWUNONYELUANYI OKOCHA MD
NPI 1669578597
Obstetrics & Gynecology in Gaithersburg, MD

Active since September 16, 2006PECOS EnrolledAccepts Medicare Assignment
655 WATKINS MILL RD, GAITHERSBURG, MD 20879(703) 359-7878 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2026, Jun 25, 2021 (2 updates tracked since 2021).

About Dr. Chukwunonyeluanyi Okocha Md NPPES

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

DR. CHUKWUNONYELUANYI OKOCHA MD (NPI 1669578597) is an individual obstetrics & gynecology provider in Gaithersburg, Maryland, licensed in Wisconsin (49708) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2002).

NPPES Registry Identity

NPI1669578597
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. CHUKWUNONYELUANYI OKOCHACredential: MD
Location Address655 WATKINS MILL RDGaithersburg, MD 20879-3301
Mailing Address2101 E Jefferson StRockville, MD 20852-4908
Phone(703) 359-7878
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2002
Enumeration DateSeptember 16, 2006
Last NPPES UpdateSeptember 29, 20262 updates tracked since enumeration
NPPES CertifiedJune 25, 2021
✔ NPI 1669578597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WI · 49708
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
655 WATKINS MILL RD, Gaithersburg, MD 20879
Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Nonye Okocha Md

Other Identifiers 3

Medicaid34723000WI
OtherOKOCHCHUWI · Mercycare Insurance
OtherP00431224CD3624WI · Rr Medicare

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Chukwunonyeluanyi Okocha Md 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 ID9234137530
PECOS Enrollment IDI20191210001061, I20191210001921
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 Chukwunonyeluanyi Okocha reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
Same address
Health Maintenance Organization
655 WATKINS MILL RD
Gaithersburg, MD 20879
NPI 1831471713 (301) 258-7700

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 20879 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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. ESTHER SHINYOUNG SONG M.D.
Pediatrics
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4000
DR. VICTOR DAVID ELLIS III MD
Student in an Organized Health Care Education/Training Program
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4000
DR. PETER JAN BLUVAS JR. M.D.
Emergency Medicine
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (406) 324-2242
YOGESH PARUTHI
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4155
ILYSSA KAREN HAAR RN, IBCLC, BSN
Registered Nurse (Lactation Consultant)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4333
HAOBO ZHOU MD
General Acute Care Hospital
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4075
MR. SCOTT ERIC JACKSON RT(R)(CT)
Radiologic Technologist (Computed Tomography)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4418
KATIE MARIE ESSER
Audiologist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Montgomery County (240) 632-4000

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 Chukwunonyeluanyi Okocha's NPI number?

The NPI number for Chukwunonyeluanyi Okocha is 1669578597. It was assigned to this individual provider in the NPPES registry on September 16, 2006. The provider is also known as Dr. Nonye Okocha MD.

Where is Chukwunonyeluanyi Okocha located?

Chukwunonyeluanyi Okocha practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (703) 359-7878.

What is Chukwunonyeluanyi Okocha's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Chukwunonyeluanyi Okocha enrolled in Medicare?

Yes. Chukwunonyeluanyi Okocha 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.

Which organization bills Medicare for Chukwunonyeluanyi Okocha's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chukwunonyeluanyi Okocha reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Gaithersburg, MD). 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 Chukwunonyeluanyi Okocha'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 Chukwunonyeluanyi Okocha was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.