Robert William Axtmayer, MD
Family Medicine Physician · Sabana Grande, PR
Robert William Axtmayer, MD is a family medicine physician with a practice address in Sabana Grande, Puerto Rico, and NPI 1033105655, issued on Sep 20, 2005. Check the license (Puerto Rico 8876, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert William Axtmayer
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 8876 PR
Self-reported in NPPES; status is on the state search - Practice location
- Rodriguez Serra #11, Sabana Grande, PR 00637
- Phone
- (787) 873-3955
- Enumerated
- Sep 20, 2005
- Record last updated
- Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (787) 873-3955
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 604 in Puerto Rico → Look up another NPI →
Verify Robert William Axtmayer 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 8876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
13 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Robert William Axtmayer among 604 family medicine physician records in Puerto Rico
Robert William Axtmayer, MD is one of 604 family medicine physician records with a practice address in Puerto Rico. 79% 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, 86% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2021 · 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 207Q00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Sabana Grande
They are 4 of the 136 NPPES records with a practice address in Sabana Grande, and 604 family medicine physician records in Puerto Rico.
All 604 in Puerto Rico → Every provider in Sabana Grande → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Elizabeth Carcache, M.D.Sabana Grande, PR 006371487649703
- Angie Figueroa, M.D.Sabana Grande, PR 006371063499515
- Radames Marin Vieira, MDSabana Grande, PR 006371285619619
- Carlos Disdier Rodriguez, MDCiales, PR 006381225028764
- Mayra Martinez Medina, MDCiales, PR 006381093705543
- Carlos Otero Rivera, M.D.Ciales, PR 006381740238609
- Wilfredo RiveraCiales, PR 006381598943094
- Luis Tavarez Alarcon, M.D.Ciales, PR 006381306814710
Common questions
What is Robert William Axtmayer, MD's NPI number?
Robert William Axtmayer, MD's National Provider Identifier (NPI) is 1033105655, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert William Axtmayer, MD located?
The NPPES record lists a practice address at Rodriguez Serra #11, Sabana Grande, PR, 00637. Phone: (787) 873-3955. Providers update this record themselves, so call before visiting.
How can I verify Robert William Axtmayer, MD's license?
NPPES lists Puerto Rico license number 8876, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Robert William Axtmayer, MD prescribe under Medicare Part D?
In 2024, Robert William Axtmayer, MD had 13 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.