Rex Martin, PHD, PA-C
NPI 1396882189 · Medical Physician Assistant · Tulsa, OK
Rex Martin, PHD, PA-C is a Medical Physician Assistant provider in Tulsa, OK (NPI 1396882189).
Provider details
- NPI number
- 1396882189
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PHD, PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 1577 (OK)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
122 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 70 | $162 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 30 | $135 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 22 | $97 |
Typical Medicare-allowed amounts for these services range $97–$162 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-31
- Last updated
- 2008-04-04
Frequently asked questions
- What is Rex Martin's NPI number?
- Rex Martin's National Provider Identifier (NPI) is 1396882189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rex Martin's specialty?
- Rex Martin is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rex Martin located?
- Rex Martin's practice location on file with NPPES is 6161 S Yale Ave, Tulsa, OK 74136-1902.
- What is Rex Martin's phone number?
- The practice phone number listed in the NPPES registry for Rex Martin is (330) 493-4443.
- Is Rex Martin's NPI active?
- Yes — Rex Martin's NPI (1396882189) is active in the NPPES registry as of the last update on 2008-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.