CHARLOTTE ATUNGU AYUK NKEM CRNP-PMH
NPI 1912573577
Clinical Nurse Specialist - Psychiatric/Mental Health in Fairfax, VA

Active since June 03, 2021PECOS EnrolledAccepts Medicare Assignment
8500 EXECUTIVE PARK AVE STE 200, FAIRFAX, VA 22031(703) 698-5220(301) 396-7346 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 19, 2025, Nov 1, 2023, Jun 3, 2021 (3 updates tracked since 2021).

About Charlotte Atungu Ayuk Nkem Crnp-pmh NPPES

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

CHARLOTTE ATUNGU AYUK NKEM CRNP-PMH (NPI 1912573577) is an individual psychiatric/mental health provider in Fairfax, Virginia, licensed in Virginia (0024181444) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Waldorf, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1912573577
Entity TypeIndividualFemale
Primary Taxonomy364SP0808X
Provider Legal NameCHARLOTTE ATUNGU AYUK NKEMCredential: CRNP-PMH
Location Address8500 EXECUTIVE PARK AVE STE 200Fairfax, VA 22031-2228
Mailing Address10832 Big Leaf CtWaldorf, MD 20603-5737 · (785) 418-7218 · Fax (301) 396-7346
Fax(301) 396-7346
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJune 3, 2021
Last NPPES UpdateMarch 19, 20253 updates tracked since enumeration
NPPES CertifiedMarch 19, 2025
✔ NPI 1912573577 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical Nurse Specialist · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SP0808X
License✔ Licensed in VA · 0024181444
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License R236367 (MD)
8500 EXECUTIVE PARK AVE STE 200, Fairfax, VA 22031

Secondary Practice Location 1

Location 111100 Billingsley RdWaldorf, MD 20602-3400 · Phone (785) 418-7218

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

Charlotte Atungu Ayuk Nkem Crnp-pmh 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 ID7911300447
PECOS Enrollment IDI20210917002197
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 Reassignments

5

Medicare enrollment records show Charlotte Ayuk Nkem reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
8500 EXECUTIVE PARK AVE, SUITE 200
Fairfax, VA 22031
  • Reassigned Medicare billing, District of Columbia enrollment
  • 17 clinicians in this Medicare group
Psychiatry
8040 GEORGIA AVE STE 170
Silver Spring, MD 20910
  • Reassigned Medicare billing, Maryland enrollment
  • 141 clinicians in this Medicare group
Internal Medicine
20 PIDGEON HILL DR
Sterling, VA 20165
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 94 clinicians in this Medicare group
Psychiatric/Mental Health
3261 OLD WASHINGTON RD STE 2020
Waldorf, MD 20602
  • Reassigned Medicare billing, Maryland enrollment
  • 2 clinicians in this Medicare group
Psychiatry
5 GARRETT AVE
La Plata, MD 20646
  • Reassigned Medicare billing, Maryland enrollment
  • 966 clinicians in this Medicare group

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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
55 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 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
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 5

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

Social Worker (Clinical)
8500 EXECUTIVE PARK AVE STE 200
FAIRFAX, VA 22031
Physician Assistant
8500 EXECUTIVE PARK AVE STE 200
FAIRFAX, VA 22031
Social Worker (Clinical)
8500 EXECUTIVE PARK AVE STE 200
FAIRFAX, VA 22031
Nurse Practitioner (Psychiatric/Mental Health)
8500 EXECUTIVE PARK AVE STE 200
FAIRFAX, VA 22031
Social Worker (Clinical)
8500 EXECUTIVE PARK AVE STE 200
FAIRFAX, VA 22031

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 Charlotte Ayuk Nkem's NPI number?

The NPI number for Charlotte Ayuk Nkem is 1912573577. It was assigned to this individual provider in the NPPES registry on June 3, 2021.

Where is Charlotte Ayuk Nkem located?

Charlotte Ayuk Nkem practices at 8500 Executive Park Ave Ste 200, Fairfax, VA 22031. The listed phone number is (703) 698-5220.

What is Charlotte Ayuk Nkem's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, with taxonomy code 364SP0808X.

Is Charlotte Ayuk Nkem enrolled in Medicare?

Yes. Charlotte Ayuk Nkem 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 organizations bill Medicare for Charlotte Ayuk Nkem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charlotte Ayuk Nkem reassigns Medicare benefits to 5 organizations: Northern Virginia Psychiatric Group (Fairfax, VA), Axis Healthcare Group (Silver Spring, MD), Rahel G. Yirga MD PC (Sterling, VA), Oasis Of Hope Behavioral Healthcare (Waldorf, MD) and University Of Maryland Community Medical Group, Inc. (La Plata, MD). Each 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 Charlotte Ayuk Nkem'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 Charlotte Ayuk Nkem was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.