1. Home
  2. Directory
  3. Virginia
  4. Winchester
  5. Internal Medicine
  6. NPI Profile

NKECHI ONOKWAI MD
NPI 1396358016
Internal Medicine in Winchester, VA

Active since August 24, 2020PECOS EnrolledAccepts Medicare Assignment
1840 AMHERST ST, WINCHESTER, VA 22601(540) 536-4334 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 25, 2025, Aug 24, 2020 (2 updates tracked since 2020).

About Nkechi Onokwai Md NPPES

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

NKECHI ONOKWAI MD (NPI 1396358016) is an individual internal medicine provider in Winchester, Virginia, licensed in Virginia (0101278259) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1396358016
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNKECHI ONOKWAICredential: MD
Location Address1840 AMHERST STWinchester, VA 22601-2808
Mailing Address1840 Amherst StWinchester, VA 22601-2808 · (540) 536-4334
Phone(540) 536-4334
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateAugust 24, 2020
Last NPPES UpdateNovember 25, 20252 updates tracked since enumeration
NPPES CertifiedNovember 25, 2025
✔ NPI 1396358016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101278259
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.
1840 AMHERST ST, Winchester, VA 22601
Open in Google Maps ↗

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

Nkechi Onokwai 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 ID8325495708
PECOS Enrollment IDI20231107000239
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 Nkechi Onokwai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hospitalist Medicine Physicians Of Virginia LLC
Same address
Internal Medicine
1840 AMHERST ST
Winchester, VA 22601
  • Reassigned Medicare billing, Virginia enrollment
  • 371 clinicians in this Medicare group
NPI 1770756991 (540) 536-4334

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
262 services126 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
212 services188 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
125 services116 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
123 services69 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
17 services17 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Winchester Medical Center

Acute Care Hospitals · Winchester, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490005
Location1840 Amherst StWinchester, VA 22601 · Winchester City County
Emergency services Birthing friendly

Warren Memorial Hospital

Acute Care Hospitals · Front Royal, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490033
Location351 Valley Health WayFront Royal, VA 22630 · Warren County
Emergency services

Page Memorial Hospital, Inc

Critical Access Hospitals · Luray, VA
OwnershipVoluntary non-profit - Private
CMS Certification Number491307
Location200 Memorial DriveLuray, VA 22835 · Page County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22601 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

AKHILA SURE M.D.
Surgery (Surgical Critical Care)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
JILLIAN H CALL MD
Emergency Medicine
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
MICHAEL MAYER ROMAIN KHAFI DO
Emergency Medicine
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
RAMZIDDIN KHALMURATOV PA-C
Physician Assistant
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-4555
MEAGHAN PETERS CSFA
Specialist/Technologist, Other (Surgical Assistant)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
JOEL A RHODES CRNA
Nurse Anesthetist, Certified Registered
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8000
BEVIN MARIE SANBORN LCSW
Social Worker (Clinical)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-5191
T. GLEN BOUDER MD
Internal Medicine (Critical Care Medicine)
1840 AMHERST ST
WINCHESTER, VA 22601
Winchester City (540) 536-8874

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 Nkechi Onokwai's NPI number?

The NPI number for Nkechi Onokwai is 1396358016. It was assigned to this individual provider in the NPPES registry on August 24, 2020.

Where is Nkechi Onokwai located?

Nkechi Onokwai practices at 1840 Amherst St, Winchester, VA 22601. The listed phone number is (540) 536-4334.

What is Nkechi Onokwai's specialty?

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

Is Nkechi Onokwai enrolled in Medicare?

Yes. Nkechi Onokwai 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 Nkechi Onokwai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nkechi Onokwai reassigns Medicare benefits to Hospitalist Medicine Physicians Of Virginia LLC (Winchester, VA). 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 Nkechi Onokwai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nkechi Onokwai affiliated with any hospitals?

According to CMS data, Nkechi Onokwai is affiliated with Winchester Medical Center, Warren Memorial Hospital and Page Memorial Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Nkechi Onokwai was last updated on November 25, 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.