Omar Guerrero Diaz, MD
General Practice Physician · Bayamon, PR
Omar Guerrero Diaz, MD is a general practice physician with a practice address in Bayamon, Puerto Rico, and NPI 1356094569, issued on Jan 28, 2022. Check the license (Puerto Rico 023130, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Omar Guerrero Diaz
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 023130 PR
Self-reported in NPPES; status is on the state search - Practice location
- Hospital Hima San Pablo, Bayamon, PR 00956
- Phone
- (787) 620-4747
- Enumerated
- Jan 28, 2022
- Record last updated
- Feb 24, 2023
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Omar Guerrero Diaz 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 023130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average general practice physician in 2024
2,518 Medicare Part D claims for 127 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Synthroid181 claims
- Atorvastatin Calcium151 claims
- Lisinopril138 claims
- Gabapentin129 claims
- Famotidine93 claims
- Losartan Potassium93 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.
Industry payments in 2024: $263.38
6 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Omar Guerrero Diaz among 4,170 general practice physician records in Puerto Rico
Omar Guerrero Diaz, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 83% of them.
- NPI issued2022 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
273 general practice physician records list a practice address in Bayamon
They are 273 of the 2,958 NPPES records with a practice address in Bayamon, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Bayamon → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Jose Ayala-Medina, MDBayamon, PR 009561598749871
- Eva Colon Maldonado, MDBayamon, PR 009561245302603
- Julia Fernandez, M.D.Bayamon, PR 009561093727125
- Javier GascotBayamon, PR 009561386694305
- Lidali Lopez, M.D.Bayamon, PR 009561346283579
- Norma Lopez, M.D.Bayamon, PR 009561528098142
- Myriam Maldonado Rivera, M.D.Bayamon, PR 009561578572319
- Enid Pagan Miranda, M.D.Bayamon, PR 009561740285626
Common questions
What is Omar Guerrero Diaz, MD's NPI number?
Omar Guerrero Diaz, MD's National Provider Identifier (NPI) is 1356094569, issued on Jan 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Omar Guerrero Diaz, MD located?
The NPPES record lists a practice address at Hospital Hima San Pablo, Bayamon, PR, 00956. Phone: (787) 620-4747. Providers update this record themselves, so call before visiting.
How can I verify Omar Guerrero Diaz, MD's license?
NPPES lists Puerto Rico license number 023130, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Omar Guerrero Diaz, MD prescribe under Medicare Part D?
In 2024, Omar Guerrero Diaz, MD had 2,518 Medicare Part D claims for 127 beneficiaries; the average among general practice physician prescribers was 3,030. 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.