James Nemec, M.D.
NPI 1457321341 · Cardiovascular Disease Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Nemec, M.D. is a Cardiovascular Disease Physician provider in Tulsa, OK (NPI 1457321341).
Provider details
- NPI number
- 1457321341
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18855 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
946 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 221 | $71 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 220 | $13 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 216 | $20 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 104 | $69 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 101 | $13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-24
- Last updated
- 2015-04-13
Frequently asked questions
- What is James Nemec's NPI number?
- James Nemec's National Provider Identifier (NPI) is 1457321341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Nemec's specialty?
- James Nemec is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Nemec located?
- James Nemec's practice location on file with NPPES is 9228 S Mingo Rd, Tulsa, OK 74133-5718.
- What is James Nemec's phone number?
- The practice phone number listed in the NPPES registry for James Nemec is (918) 592-0999.
- Does James Nemec accept Medicare?
- James Nemec is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Nemec's NPI active?
- Yes — James Nemec's NPI (1457321341) is active in the NPPES registry as of the last update on 2015-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.