CHUKWUMA UMUNAKWE M.D.
NPI 1013276815
Emergency Medicine in Oak Ridge, TN

Active since May 14, 2012PECOS EnrolledAccepts Medicare Assignment
990 OAK RIDGE TPKE, OAK RIDGE, TN 37830(202) 841-5854 Get Directions Write a Review

NPPES record last updated: November 19, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 19, 2021, Sep 13, 2016, Aug 23, 2016 (3 updates tracked since 2016).

About Chukwuma Umunakwe M.d. NPPES

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

CHUKWUMA UMUNAKWE M.D. (NPI 1013276815) is an individual emergency medicine provider in Oak Ridge, Tennessee, licensed in Tennessee (52347) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of Howard University College Of Medicine (2010).

NPPES Registry Identity

NPI1013276815
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameCHUKWUMA UMUNAKWECredential: M.D.
Location Address990 OAK RIDGE TPKEOak Ridge, TN 37830-6976
Mailing Address990 Oak Ridge TpkeOak Ridge, TN 37830-6976 · (202) 841-5854
Sole ProprietorNo
Medical School CMSHoward University College Of MedicineGraduated 2010
Enumeration DateMay 14, 2012
Last NPPES UpdateNovember 19, 20213 updates tracked since enumeration
NPPES CertifiedNovember 19, 2021
✔ NPI 1013276815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TN · 52347
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedInternal MedicineTaxonomy 207R00000X · License 52347 (TN)
Also ListedHospitalistTaxonomy 208M00000X · License 52347 (TN)
990 OAK RIDGE TPKE, Oak Ridge, TN 37830

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

Chukwuma Umunakwe M.d. 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 ID6002120292
PECOS Enrollment IDI20210407001070
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

3

Medicare enrollment records show Chukwuma Umunakwe reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
12255 FAIR OAKS PKWY
Fairfax, VA 22033
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,492 clinicians in this Medicare group
Critical Care Medicine
3800 RESERVOIR RD NW
Washington, DC 20007
  • Reassigned Medicare billing, District of Columbia enrollment
  • 3,530 clinicians in this Medicare group
Clinical
8115 MAPLE LAWN BLVD STE 140
Fulton, MD 20759
  • Reassigned Medicare billing, Maryland enrollment
  • 952 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.

Hospital Affiliations CMS Care Compare

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

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210004
Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37830 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

Dietitian, Registered
990 OAK RIDGE TPKE, FOOD AND NUTRITION SERVICES
OAK RIDGE, TN 37830
Internal Medicine
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Nurse Anesthetist, Certified Registered
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Student in an Organized Health Care Education/Training Program
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Dietitian, Registered
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Radiology (Diagnostic Radiology)
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Nurse Anesthetist, Certified Registered
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830
Pharmacist
990 OAK RIDGE TPKE
OAK RIDGE, TN 37830

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 Chukwuma Umunakwe's NPI number?

The NPI number for Chukwuma Umunakwe is 1013276815. It was assigned to this individual provider in the NPPES registry on May 14, 2012.

Where is Chukwuma Umunakwe located?

Chukwuma Umunakwe practices at 990 Oak Ridge Tpke, Oak Ridge, TN 37830. The listed phone number is (202) 841-5854.

What is Chukwuma Umunakwe's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Chukwuma Umunakwe enrolled in Medicare?

Yes. Chukwuma Umunakwe 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 Chukwuma Umunakwe's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chukwuma Umunakwe reassigns Medicare benefits to 3 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Fairfax, VA), Medstar Medical Group II LLC (Washington, DC) and Johns Hopkins Community Physicians (Fulton, 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 Chukwuma Umunakwe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Chukwuma Umunakwe affiliated with any hospitals?

According to CMS data, Chukwuma Umunakwe is affiliated with Holy Cross Hospital.

When was this NPI record last updated?

The NPPES record for Chukwuma Umunakwe was last updated on November 19, 2021. 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.