Joseph Martinez, MD
NPI 1588911382 · Rheumatology Physician · Austin, TX
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Martinez, MD is a Rheumatology Physician provider in Austin, TX (NPI 1588911382).
Provider details
- NPI number
- 1588911382
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- Q8105 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,152 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) |
|---|---|---|
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 715 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 497 | $122 |
| 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 | 320 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 119 | $156 |
| Injection Into Tendon Or Ligament20550 | 104 | $49 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 316 | 100 |
| Leflunomide | 188 | 50 |
| Etanerceptbrand: Enbrel Sureclick | 153 | 21 |
| Alendronate Sodium | 136 | 56 |
| Allopurinol | 111 | 34 |
| Prednisone | 100 | 43 |
| Meloxicam | 80 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,331 across 98 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 (3)
- 2224 Walsh Tarlton Ln Ste 200Austin, TX 78746-7756Phone: (512) 439-1000
- 911 W 38th St Ste 300Austin, TX 78705-1161Phone: (512) 439-1000
- 4215 Benner Ste 300Kyle, TX 78640-2224Phone: (512) 439-1000
Registry dates
- Enumerated
- 2012-08-10
- Last updated
- 2026-03-30
- Certified
- 2026-03-30
Frequently asked questions
- What is Joseph Martinez's NPI number?
- Joseph Martinez's National Provider Identifier (NPI) is 1588911382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Martinez's specialty?
- Joseph Martinez is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Martinez located?
- Joseph Martinez's practice location on file with NPPES is 4700 Seton Center Pkwy, Austin, TX 78759-4107.
- What is Joseph Martinez's phone number?
- The practice phone number listed in the NPPES registry for Joseph Martinez is (512) 439-1000.
- Does Joseph Martinez accept Medicare?
- Joseph Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Martinez's NPI active?
- Yes — Joseph Martinez's NPI (1588911382) is active in the NPPES registry as of the last update on 2026-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.