Abner J. Mercado
General Practice Physician · Naguabo, PR
Abner J. Mercado is a general practice physician with a practice address in Naguabo, Puerto Rico, and NPI 1134132350, issued on Aug 15, 2006. Check the license (Puerto Rico 15622, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Abner J. Mercado
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 15622 PR
Self-reported in NPPES; status is on the state search - Practice location
- Cdt Naguabo PR 31 BO Pena Pobre, Naguabo, PR 00718
- Phone
- (787) 874-3037
- Enumerated
- Aug 15, 2006
- Record last updated
- Jul 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050404000165); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Verify Abner J. Mercado 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 15622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average general practice physician in 2024
635 Medicare Part D claims for 404 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Albuterol Sulfate89 claims
- Levofloxacin78 claims
- Azithromycin74 claims
- Cefadroxil71 claims
- Paxlovid32 claims
- Neomycin-Polymyxin-Dexameth21 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.
Abner J. Mercado among 4,170 general practice physician records in Puerto Rico
Abner J. Mercado 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 fileYes · 29% of these records are
- Graduated1986 · median 2004 among the 1,228 with a school on file
- Record last updated2009 · 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).
13 general practice physician records list a practice address in Naguabo
They are 13 of the 99 NPPES records with a practice address in Naguabo, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Naguabo → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Veronica Arroyo, MDNaguabo, PR 007181588317788
- Mara Astacio-Almodovar, M.D.Naguabo, PR 007181235143215
- Barbara Bustillo, M.D.Naguabo, PR 007181598727752
- Ignacio Coradin Ruiz, MDNaguabo, PR 007181881679298
- Luis De Jesus Lazu, M.D.Naguabo, PR 007181639120132
- Hector Flores Aponte, M.D.Naguabo, PR 007181083636559
- Rhina Grullon, MDNaguabo, PR 007181760016893
- Grace Medestomas, M.D.Naguabo, PR 007181609814227
Common questions
What is Abner J. Mercado's NPI number?
Abner J. Mercado's National Provider Identifier (NPI) is 1134132350, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Abner J. Mercado located?
The NPPES record lists a practice address at Cdt Naguabo PR 31 BO Pena Pobre, Naguabo, PR, 00718. Phone: (787) 874-3037. Providers update this record themselves, so call before visiting.
How can I verify Abner J. Mercado's license?
NPPES lists Puerto Rico license number 15622, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Abner J. Mercado prescribe under Medicare Part D?
In 2024, Abner J. Mercado had 635 Medicare Part D claims for 404 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.