Carlos Pantojas, M.D.
NPI 1144299074 · Rheumatology Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Pantojas, M.D. is a Rheumatology Physician provider in San Juan, PR (NPI 1144299074).
Provider details
- NPI number
- 1144299074
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 9017 (PR)
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
70 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $90 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 16 | $64 |
Typical Medicare-allowed amounts for these services range $64–$90 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 1,403 | 506 |
| Tizanidine Hcl | 1,066 | 298 |
| Pregabalin | 817 | 283 |
| Methotrexate Sodiumbrand: Methotrexate | 405 | 89 |
| Tramadol Hcl | 383 | 152 |
| Baclofen | 353 | 96 |
| Duloxetine Hcl | 341 | 149 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2008-04-10
Frequently asked questions
- What is Carlos Pantojas's NPI number?
- Carlos Pantojas's National Provider Identifier (NPI) is 1144299074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Pantojas's specialty?
- Carlos Pantojas is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Pantojas located?
- Carlos Pantojas's practice location on file with NPPES is 1801 Ave Ponce De Leon, San Juan, PR 00909-1900.
- What is Carlos Pantojas's phone number?
- The practice phone number listed in the NPPES registry for Carlos Pantojas is (787) 999-0440.
- Does Carlos Pantojas accept Medicare?
- Carlos Pantojas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Pantojas's NPI active?
- Yes — Carlos Pantojas's NPI (1144299074) is active in the NPPES registry as of the last update on 2008-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.