Osvaldo Niebla Diaz, M.D.
General Practice Physician · Guaynabo, PR
Osvaldo Niebla Diaz, M.D. is a general practice physician with a practice address in Guaynabo, Puerto Rico, and NPI 1174550131, issued on Jun 27, 2006. Check the license (Puerto Rico 15476, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Osvaldo Niebla Diaz
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 15476 PR
Self-reported in NPPES; status is on the state search - Practice location
- 112 Acuarela. Quintavalle, Guaynabo, PR 00969
- Phone
- (787) 708-1712
- Enumerated
- Jun 27, 2006
- Record last updated
- Jan 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Osvaldo Niebla 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 15476Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average general practice physician in 2024
530 Medicare Part D claims for 298 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Etodolac119 claims
- Baclofen90 claims
- Prednisone29 claims
- Famotidine19 claims
- Cephalexin18 claims
- Ciprofloxacin Hcl16 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: $79.04
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Osvaldo Niebla Diaz among 4,170 general practice physician records in Puerto Rico
Osvaldo Niebla Diaz, M.D. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 65% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2015 · 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).
97 general practice physician records list a practice address in Guaynabo
They are 97 of the 2,143 NPPES records with a practice address in Guaynabo, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Guaynabo → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Maribel Acevedo, MDGuaynabo, PR 009691699743864
- Maria Gonzalez, M.D.Guaynabo, PR 009691588692396
- Aixa Mariani, MDGuaynabo, PR 009691194708891
- Joaquin Ng, MD.Guaynabo, PR 009691679538391
- Petra Ortiz, M.D.Guaynabo, PR 009691609970094
- Yolanda Pagan Rivera, MDGuaynabo, PR 009691205817400
- Jose Pastrana, MDGuaynabo, PR 009691861462186
- Francisco Pla MendezGuaynabo, PR 009691730275520
Common questions
What is Osvaldo Niebla Diaz, M.D.'s NPI number?
Osvaldo Niebla Diaz, M.D.'s National Provider Identifier (NPI) is 1174550131, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Osvaldo Niebla Diaz, M.D. located?
The NPPES record lists a practice address at 112 Acuarela. Quintavalle, Guaynabo, PR, 00969. Phone: (787) 708-1712. Providers update this record themselves, so call before visiting.
How can I verify Osvaldo Niebla Diaz, M.D.'s license?
NPPES lists Puerto Rico license number 15476, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Osvaldo Niebla Diaz, M.D. prescribe under Medicare Part D?
In 2024, Osvaldo Niebla Diaz, M.D. had 530 Medicare Part D claims for 298 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.