Federico A. Maestre Grau, MD
Ophthalmology Physician · San Juan, PR
Federico A. Maestre Grau, MD is an ophthalmology physician with a practice address in San Juan, Puerto Rico, and NPI 1679561047, issued on Oct 11, 2005. Check the license (Puerto Rico 9085, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Federico A. Maestre Grau
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 9085 PR
Self-reported in NPPES; status is on the state search - Practice location
- 357 Ave DE LA Constitucion, San Juan, PR 00901
- Phone
- (787) 289-6600
- Enumerated
- Oct 11, 2005
- Record last updated
- Aug 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (787) 289-6622
- Medicare enrollment
- Enrolled (PECOS I20110811000407); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 211 in Puerto Rico → Look up another NPI →
Also registered at 357 Ave DE LA Constitucion
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jose De La Cruz-Napoli, M.D.Cornea and External Diseases Specialist Physician1033182548
Verify Federico A. Maestre Grau 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 9085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average ophthalmology physician in 2024
4,521 Medicare Part D claims for 848 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Dorzolamide-Timolol1,144 claims
- Timolol Maleate803 claims
- Latanoprost412 claims
- Lumigan250 claims
- Prednisolone Acetate240 claims
- Neomycin-Polymyxin-Dexameth227 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: $98.03
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 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.
Bills Medicare through one group practice
- Eye Care OF San Juan P S CSan Juan, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Federico A. Maestre Grau among 211 ophthalmology physician records in Puerto Rico
Federico A. Maestre Grau, MD is one of 211 ophthalmology physician records with a practice address in Puerto Rico. 96% 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, 76% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1986 · median 1994 among the 176 with a school on file
- Record last updated2011 · 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 207W00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Puerto Rico
There are 211 ophthalmology physician records in Puerto Rico.
All 211 in Puerto Rico → Every provider in San Juan → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Emilio Arce-Lopez, M.D.San Juan, PR 009071023119831
- Maria Berrocal-Fernandez, MDSan Juan, PR 009071104800630
- Vanessa Cruz-Villegas, M.D.San Juan, PR 009071578614319
- Nanette De Leon, M.D.San Juan, PR 009071487819256
- Raul Franceschi, MDSan Juan, PR 009071770558595
- Cristobal Mendez-Bonilla, M.D.San Juan, PR 009071275572406
- Jose Plaza, MDSan Juan, PR 009071588760862
- Antolin Alvarez Pont, M.D.Santurce, PR 009091265413439
Common questions
What is Federico A. Maestre Grau, MD's NPI number?
Federico A. Maestre Grau, MD's National Provider Identifier (NPI) is 1679561047, issued on Oct 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Federico A. Maestre Grau, MD located?
The NPPES record lists a practice address at 357 Ave DE LA Constitucion, San Juan, PR, 00901. Phone: (787) 289-6600. Providers update this record themselves, so call before visiting.
How can I verify Federico A. Maestre Grau, MD's license?
NPPES lists Puerto Rico license number 9085, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Federico A. Maestre Grau, MD prescribe under Medicare Part D?
In 2024, Federico A. Maestre Grau, MD had 4,521 Medicare Part D claims for 848 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.