NPPES file of Aug 9, 2026

Robert William Axtmayer Carcache, MD

Emergency Medicine Physician · Sabana Grande, PR

Robert William Axtmayer Carcache, MD is an emergency medicine physician with a practice address in Sabana Grande, Puerto Rico, and NPI 1114481793, issued on Jan 28, 2019. Check the license (Puerto Rico 36513, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114481793
Name
Robert William Axtmayer Carcache
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
36513 PR
Self-reported in NPPES; status is on the state search
Practice location
Carr 368 KM 1.0 Int, Sabana Grande, PR 00637
Phone
(787) 361-7751
Enumerated
Jan 28, 2019
Record last updated
Sep 23, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Robert William Axtmayer Carcache in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 36513
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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93% fewer Medicare Part D claims than the average emergency medicine physician in 2024

15 Medicare Part D claims for 13 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Robert Axtmayer Carcache15
  2. Specialty average226

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 Carcache among 278 emergency medicine physician records in Puerto Rico

Robert William Axtmayer Carcache, MD is one of 278 emergency medicine physician records with a practice address in Puerto Rico. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 9% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2023 · 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 207P00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Puerto Rico

There are 278 emergency medicine physician records in Puerto Rico.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Marta Klachko Longo, M.D.Dorado, PR 006461427249945
  2. Nannette Lugo-Amador, MDSan Juan, PR 006461306927470
  3. Gadiel Merced Alvarez, MDDorado, PR 006461801084512
  4. John Negron Medina, MDDorado, PR 006461700411543
  5. Dorayde Quinones-Foster, MDDorado, PR 006461801841309
  6. Angel Rocafort-Marquez, MDDorado, PR 006461184838633
  7. Harry Reyes, M.D.Hatillo, PR 006591245266105
  8. Samuel Rivera Natal, MDHatillo, PR 006591639119670

Common questions

What is Robert William Axtmayer Carcache, MD's NPI number?

Robert William Axtmayer Carcache, MD's National Provider Identifier (NPI) is 1114481793, issued on Jan 28, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Robert William Axtmayer Carcache, MD located?

The NPPES record lists a practice address at Carr 368 KM 1.0 Int, Sabana Grande, PR, 00637. Phone: (787) 361-7751. Providers update this record themselves, so call before visiting.

How can I verify Robert William Axtmayer Carcache, MD's license?

NPPES lists Puerto Rico license number 36513, 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 Carcache, MD prescribe under Medicare Part D?

In 2024, Robert William Axtmayer Carcache, MD had 15 Medicare Part D claims for 13 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.