ERNEST MCKENZIE MD PC
ERNEST MCKENZIE MD PC is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1003288978, based in Oklahoma City, OK. It is classified under Diagnostic Radiology Physician.
Getting there
Here is what surrounds this office in Oklahoma City, based on OpenStreetMap data collected Sep 7, 2026. Parking is available about 449 ft away.
Getting here and what is nearby
Parking 280 ft ~2 min
Parking 348 ft ~2 min
Parking 449 ft ~2 min
Grocery Walmart Neighborhood Market 1,005 ft ~4 min
4420 South Western Avenue, Oklahoma City 73109
24/7
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Diagnostic Radiology covers
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease. NUCC Health Care Provider Taxonomy, code 2085R0202X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1003288978 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Oct 30, 2015 |
| Last updated | Oct 30, 2015 |
| Status | Active |
| Practice address |
4625 S WESTERN AVE Oklahoma City, OK 73109 (580) 323-2363 |
| Mailing address |
100 N 30TH ST N Clinton, OK 73601 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 2 | 8 | 8 | 9 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 4 | 8 | 7 | 9 | 5 |
Sum = 62 · next multiple of 10 = 70 · check digit = 8 · actual last digit = 8
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.