Chiemeka Onyima, M.D.
NPI 1215460076 · Anesthesiology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chiemeka Onyima, M.D. is a Anesthesiology Physician provider in Washington, DC (NPI 1215460076).
Provider details
- NPI number
- 1215460076
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D93702 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,647 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 304 | $89 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 227 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 211 | $125 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 106 | $12 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 101 | $55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 692 | 208 |
| Pregabalin | 243 | 73 |
| Lidocaine | 195 | 109 |
| Duloxetine Hcl | 140 | 50 |
| Meloxicam | 138 | 51 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 136 | 41 |
| Tramadol Hcl | 119 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$368 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 11110 Medical Campus Rd Ste 225Hagerstown, MD 21742-6727Phone: (301) 665-4720
Registry dates
- Enumerated
- 2017-04-09
- Last updated
- 2022-08-02
- Certified
- 2022-08-02
Frequently asked questions
- What is Chiemeka Onyima's NPI number?
- Chiemeka Onyima's National Provider Identifier (NPI) is 1215460076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chiemeka Onyima's specialty?
- Chiemeka Onyima is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Chiemeka Onyima located?
- Chiemeka Onyima's practice location on file with NPPES is 2150 Pennsylvania Ave Nw, Washington, DC 20037-3201.
- What is Chiemeka Onyima's phone number?
- The practice phone number listed in the NPPES registry for Chiemeka Onyima is (202) 741-3000.
- Does Chiemeka Onyima accept Medicare?
- Chiemeka Onyima is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chiemeka Onyima's NPI active?
- Yes — Chiemeka Onyima's NPI (1215460076) is active in the NPPES registry as of the last update on 2022-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.