DR. IKECHI C. NNAWUCHI
NPI 1598798662
Psychiatry & Neurology - Psychiatry in Washington, DC

Active since July 09, 2006PECOS EnrolledAccepts Medicare Assignment
1221 TAYLOR ST NW, WASHINGTON, DC 20011(202) 464-9200 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ikechi C. Nnawuchi NPPES

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

DR. IKECHI C. NNAWUCHI (NPI 1598798662) is an individual psychiatry provider in Washington, District Of Columbia, licensed in District Of Columbia (MD035068) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Vienna, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1598798662
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. IKECHI C. NNAWUCHI
Location Address1221 TAYLOR ST NWWashington, DC 20011-5617
Mailing Address1054 31st St Nw, Suite 536Washington, DC 20007-4403 · (202) 570-4590 · Fax (202) 318-0245
Sole ProprietorYes
Medical School CMSOtherGraduated 1991
Enumeration DateJuly 9, 2006
Last NPPES UpdateFebruary 12, 2026
NPPES CertifiedFebruary 12, 2026
✔ NPI 1598798662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in DC · MD035068✔ Licensed in VA · 0101236132
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPediatricsTaxonomy 208000000X · License D0102092 (MD)
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License D0102092 (MD)
1221 TAYLOR ST NW, Washington, DC 20011

Secondary Practice Location 1

Location 18300 Boone Blvd Ste 500Vienna, VA 22182-2681 · Phone (703) 249-9690

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. Ikechi C. Nnawuchi 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 ID3779517248
PECOS Enrollment IDI20050923000414
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

2

Medicare enrollment records show Ikechi Nnawuchi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health (Including Community Mental Health Center)
1818 NEW YORK AVE NE STE 203
Washington, DC 20002
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2 clinicians in this Medicare group
Community/Behavioral Health
4130 HUNT PL NE
Washington, DC 20019
  • Reassigned Medicare billing, District of Columbia enrollment
  • 86 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20011 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
$194.86 typical visit price
range $65.18 – $194.86
Typical copayment $48.71 (range $16.29 – $48.71)
Most-billed visit code 99205
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.

Clinic/Center (Federally Qualified Health Center (FQHC))
1221 TAYLOR ST NW
WASHINGTON, DC 20011
Home Health Aide
1221 TAYLOR ST NW
WASHINGTON, DC 20011
Registered Nurse
1221 TAYLOR ST NW
WASHINGTON, DC 20011
Home Health Aide
1221 TAYLOR ST NW
WASHINGTON, DC 20011
Case Manager/Care Coordinator
1221 TAYLOR ST NW
WASHINGTON, DC 20011
Community Health Worker
1221 TAYLOR ST NW
WASHINGTON, DC 20011
Case Manager/Care Coordinator
1221 TAYLOR ST NW
WASHINGTON, DC 20011
Counselor (Mental Health)
1221 TAYLOR ST NW
WASHINGTON, DC 20011

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 Ikechi Nnawuchi's NPI number?

The NPI number for Ikechi Nnawuchi is 1598798662. It was assigned to this individual provider in the NPPES registry on July 9, 2006.

Where is Ikechi Nnawuchi located?

Ikechi Nnawuchi practices at 1221 Taylor St NW, Washington, DC 20011. The listed phone number is (202) 464-9200.

What is Ikechi Nnawuchi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ikechi Nnawuchi enrolled in Medicare?

Yes. Ikechi Nnawuchi 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 Ikechi Nnawuchi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ikechi Nnawuchi reassigns Medicare benefits to 2 organizations: A Health Solution (Washington, DC) and Mbi Health Services LLC (Washington, DC). 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 Ikechi Nnawuchi'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 Ikechi Nnawuchi was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.