Axel Alejandro Santiago, M.D.
NPI 1205256740 · General Practice Physician · Carolina, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Axel Alejandro Santiago, M.D. is a General Practice Physician provider in Carolina, PR (NPI 1205256740).
Provider details
- NPI number
- 1205256740
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 18718 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 305 | 83 |
| Metformin Hcl | 234 | 59 |
| Levothyroxine Sodiumbrand: Synthroid | 225 | 37 |
| Gabapentin | 204 | 50 |
| Losartan Potassium | 189 | 48 |
| Lisinopril | 184 | 50 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 1 record (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 (1)
- 1554 Calle Lopez Landron Apt 102San Juan, PR 00911-2188Phone: (787) 204-4900
Registry dates
- Enumerated
- 2014-04-23
- Last updated
- 2020-09-04
- Certified
- 2020-09-03
Frequently asked questions
- What is Axel Alejandro Santiago's NPI number?
- Axel Alejandro Santiago's National Provider Identifier (NPI) is 1205256740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Axel Alejandro Santiago's specialty?
- Axel Alejandro Santiago is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Axel Alejandro Santiago located?
- Axel Alejandro Santiago's practice location on file with NPPES is Ave Roberto Clemente 124-66 #8, Carolina, PR 00985-2010.
- What is Axel Alejandro Santiago's phone number?
- The practice phone number listed in the NPPES registry for Axel Alejandro Santiago is (787) 204-4900.
- Does Axel Alejandro Santiago accept Medicare?
- Axel Alejandro Santiago is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Axel Alejandro Santiago's NPI active?
- Yes — Axel Alejandro Santiago's NPI (1205256740) is active in the NPPES registry as of the last update on 2020-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.