Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM
Pain Medicine (Anesthesiology) Physician · Catano, PR
Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM is a pain medicine (anesthesiology) physician with a practice address in Catano, Puerto Rico, and NPI 1548245939, issued on Dec 8, 2005. Check the license (Puerto Rico 12238, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Fernando Gerena Nieves
- Credential
- M.D ,D.A.B.A ,F.ABPM
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- 12238 PR
12238 CT
Self-reported in NPPES; status is on the state search - Practice location
- 65 Calle Los Mangos, Catano, PR 00962
- Phone
- (787) 641-9871
- Enumerated
- Dec 8, 2005
- Record last updated
- Nov 1, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (787) 641-9874
- Medicare enrollment
- Enrolled (PECOS I20101213000600); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 24 in Puerto Rico → Look up another NPI →
Verify Fernando Gerena Nieves 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 12238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
2,560 Medicare Part D claims for 608 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 456 claims were for opioids.
Most prescribed
- Tizanidine Hcl507 claims
- Gabapentin357 claims
- Tramadol Hcl263 claims
- Etodolac253 claims
- Clonazepam230 claims
- Meloxicam196 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.
Fernando Gerena Nieves among 24 pain medicine (anesthesiology) physician records in Puerto Rico
Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM is one of 24 pain medicine (anesthesiology) physician records with a practice address in Puerto Rico. 75% 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, 83% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1992 · median 1996 among the 17 with a school on file
- Record last updated2018 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Puerto Rico
There are 24 pain medicine (anesthesiology) physician records in Puerto Rico.
All 24 in Puerto Rico → Every provider in Catano → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Jose Rodriguez, MDBayamon, PR 009611396795852
- Luis Gonzalez-Camacho, M.D.Bayamon, PR 009591407855398
- Jeremiah Jeffers, M.D.Bayamon, PR 009591497041537
- Alvin Ramirez, M.D.Toa Alta, PR 009531598706822
- Carlos Buxo Tirado, MDToa Baja, PR 009491285660373
- Francisco Lebron-Arzon, MDSan Juan, PR 009361629005863
- Jose Santos, M.D.Rio Piedras, PR 009351972563039
- Veronica Key-Oyola, M.D.San Juan, PR 009231558450759
Common questions
What is Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM's NPI number?
Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM's National Provider Identifier (NPI) is 1548245939, issued on Dec 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM located?
The NPPES record lists a practice address at 65 Calle Los Mangos, Catano, PR, 00962. Phone: (787) 641-9871. Providers update this record themselves, so call before visiting.
How can I verify Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM's license?
NPPES lists Puerto Rico license number 12238, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM prescribe under Medicare Part D?
In 2024, Fernando Gerena Nieves, M.D ,D.A.B.A ,F.ABPM had 2,560 Medicare Part D claims for 608 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.