Guillermo Emilio Martinez Rios, MD
Otolaryngology Physician · Bayamon, PR
Guillermo Emilio Martinez Rios, MD is an otolaryngology physician with a practice address in Bayamon, Puerto Rico, and NPI 1760474092, issued on Aug 23, 2005. Check the license (Puerto Rico 8265, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Guillermo Emilio Martinez Rios
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 8265 PR
Self-reported in NPPES; status is on the state search - Practice location
- Edificio Medico Hermanas Davila, Bayamon, PR 00959
- Phone
- (787) 740-0120
- Enumerated
- Aug 23, 2005
- Record last updated
- May 18, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (787) 785-7787
- Medicaid ID
- 29485 PR
- Medicare enrollment
- Enrolled (PECOS I20040514001105); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 53 in Puerto Rico → Look up another NPI →
Also registered at Edificio Medico Hermanas Davila
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luis Escabi, MDPrescribing (Medical) Psychologist1265633796
- Stephanie Ramirez, M.S.Counseling Psychologist1639808041
- Valeria RiosCounseling Psychologist1154168458
- Jonathan Rivera Ruiz, M.S.Counseling Psychologist1063145415
Verify Guillermo Emilio Martinez Rios 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 8265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average otolaryngology physician in 2024
916 Medicare Part D claims for 538 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass155 claims
- Mometasone Furoate125 claims
- Omeprazole96 claims
- Lansoprazole94 claims
- Cephalexin62 claims
- Montelukast Sodium51 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 Emilio Martinez Rios among 53 otolaryngology physician records in Puerto Rico
Guillermo Emilio Martinez Rios, MD is one of 53 otolaryngology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 72% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1986 · median 1994 among the 40 with a school on file
- 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 207Y00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Puerto Rico
There are 53 otolaryngology physician records in Puerto Rico.
All 53 in Puerto Rico → Every provider in Bayamon → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Shaheen Counts, MDBayamon, PR 009591972727063
- Charles Juarbe Santos, M.D.Bayamon, PR 009611366444689
- Fernando Longo, M.D.Bayamon, PR 009611447255021
- Laureano Giraldez, MDGuaynabo, PR 009681477738573
- Lisette Perez Diaz, M.D.Guaynabo, PR 009681285637504
- Luz Cuebas, MDGuaynabo, PR 009691194709014
- Lionel Fernandez-Lopez, MDGuaynabo, PR 009691922082445
- Ana Melero PardoSan Juan, PR 009361154013175
Common questions
What is Guillermo Emilio Martinez Rios, MD's NPI number?
Guillermo Emilio Martinez Rios, MD's National Provider Identifier (NPI) is 1760474092, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo Emilio Martinez Rios, MD located?
The NPPES record lists a practice address at Edificio Medico Hermanas Davila, Bayamon, PR, 00959. Phone: (787) 740-0120. Providers update this record themselves, so call before visiting.
How can I verify Guillermo Emilio Martinez Rios, MD's license?
NPPES lists Puerto Rico license number 8265, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Guillermo Emilio Martinez Rios, MD prescribe under Medicare Part D?
In 2024, Guillermo Emilio Martinez Rios, MD had 916 Medicare Part D claims for 538 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.