Guillermo M. Martorell Millan, MD
Emergency Medicine Physician · Bayamon, PR
Guillermo M. Martorell Millan, MD is an emergency medicine physician with a practice address in Bayamon, Puerto Rico, and NPI 1053404962, issued on Oct 2, 2006. Check the license (Puerto Rico 16608, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Guillermo M. Martorell Millan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 16608 PR
Self-reported in NPPES; status is on the state search - Practice location
- 70 Calle Santa Cruz, Bayamon, PR 00961
- Phone
- (787) 620-4747
- Enumerated
- Oct 2, 2006
- Record last updated
- Nov 30, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 278 in Puerto Rico → Look up another NPI →
Also registered at 70 Calle Santa Cruz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Guillermo M. Martorell Millan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 16608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average emergency medicine physician in 2024
458 Medicare Part D claims for 328 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Azithromycin97 claims
- Ibuprofen84 claims
- Amoxicillin-Clavulanate Potass58 claims
- Famotidine40 claims
- Sulfamethoxazole-Trimethoprim30 claims
- Methylprednisolone23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Guillermo M. Martorell Millan among 278 emergency medicine physician records in Puerto Rico
Guillermo M. Martorell Millan, MD is one of 278 emergency medicine physician records with a practice address in Puerto Rico. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 68% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2017 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Puerto Rico
There are 278 emergency medicine physician records in Puerto Rico.
All 278 in Puerto Rico → Every provider in Bayamon → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alicia Feliberti-Irizarry, MDBayamon, PR 009611215962949
- Helga Rodriguez, M.DBayamon, PR 009611598131104
- Boyd Hernandez Collazo, MDBayamon, PR 009601841513553
- Ivan SuberviBayamon, PR 009601124411913
- Miguel Agrait Gonzalez, M.D.Bayamon, PR 009591891059747
- Daniella Santiago-Haddock, MDBayamon, PR 009591801236682
- Rachelly Abreu, M.D.Bayamon, PR 009571316269384
- Gary Labadie, M.D.Bayamon, PR 009571740482413
Common questions
What is Guillermo M. Martorell Millan, MD's NPI number?
Guillermo M. Martorell Millan, MD's National Provider Identifier (NPI) is 1053404962, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo M. Martorell Millan, MD located?
The NPPES record lists a practice address at 70 Calle Santa Cruz, Bayamon, PR, 00961. Phone: (787) 620-4747. Providers update this record themselves, so call before visiting.
How can I verify Guillermo M. Martorell Millan, MD's license?
NPPES lists Puerto Rico license number 16608, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Guillermo M. Martorell Millan, MD prescribe under Medicare Part D?
In 2024, Guillermo M. Martorell Millan, MD had 458 Medicare Part D claims for 328 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.