Guillermo Martorell Millan, MD
NPI 1053404962 · Emergency Medicine Physician · Bayamon, PR
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guillermo Martorell Millan, MD is a Emergency Medicine Physician provider in Bayamon, PR (NPI 1053404962).
Provider details
- NPI number
- 1053404962
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16608 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 97 | 94 |
| Ibuprofen | 84 | 83 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 58 | 57 |
| Famotidine | 40 | 39 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 30 | 30 |
| Methylprednisolone | 23 | 22 |
| Cyclobenzaprine Hcl | 22 | 22 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2017-11-30
Frequently asked questions
- What is Guillermo Martorell Millan's NPI number?
- Guillermo Martorell Millan's National Provider Identifier (NPI) is 1053404962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Martorell Millan's specialty?
- Guillermo Martorell Millan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Martorell Millan located?
- Guillermo Martorell Millan's practice location on file with NPPES is 70 Calle Santa Cruz, Bayamon, PR 00961-7052.
- What is Guillermo Martorell Millan's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Martorell Millan is (787) 620-4747.
- Does Guillermo Martorell Millan accept Medicare?
- Guillermo Martorell Millan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guillermo Martorell Millan's NPI active?
- Yes — Guillermo Martorell Millan's NPI (1053404962) is active in the NPPES registry as of the last update on 2017-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.