Registry data as of Aug 27, 2026

Robert Castro, MD

Anesthesiology Physician · Mayaguez, PR

Robert Castro, MD is an anesthesiology physician with a practice address in Mayaguez, Puerto Rico, and NPI 1548368459, issued on Sep 21, 2006. Check the license with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1548368459
Name
Robert Castro
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
Practice location
Condominio LA Palma Peral #14, Mayaguez, PR 00680
Phone
(787) 834-2994
Enumerated
Sep 21, 2006
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 Castro in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this professionCheck 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
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.2 times the Medicare Part D claims of the average anesthesiology physician in 2024

1,797 Medicare Part D claims for 458 beneficiaries, against an average of 823 among the 5,474 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 480 claims were for opioids.

  1. Robert Castro1,797
  2. Specialty average823

Most prescribed

  1. Tizanidine Hcl372 claims
  2. Gabapentin351 claims
  3. Meloxicam219 claims
  4. Hydrocodone-Acetaminophen134 claims
  5. Hydrocodone-Ibuprofen95 claims
  6. Midazolam Hcl90 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: $75.65

2 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 17,418 providers of this specialty with any payment received $898.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Castro$75.65
  2. Specialty average$898.38

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Anesthesiology Physician providers in Puerto Rico

There are 191 anesthesiology physician records in Puerto Rico.

Other anesthesiology physician records in Puerto Rico

  1. Jorge Acevedo Orengo, M.D.Aibonito, PR1891836151
  2. Gabriel Altieri Acevedo, M.D.San German, PR1619426384
  3. Orlando Aponte, M.D.San Juan, PR1487675286
  4. Celso Arocho Irizarry, MDCaguas, PR1902978836
  5. John Arruza, MDSan Juan, PR1376574970
  6. Denise Baez Garcia, M.D.San Juan, PR1851587059
  7. Jose Barcelo Frontera, M.D.San Juan, PR1548241011
  8. Adolfo Barragan Cabrera, MDRio Piedras, PR1477000313
  9. Roberto Bayron-Velez, MDMayaguez, PR1952371957
  10. Luis Beaz Rivera, M.D.Cotto Laurel, PR1215906995

Common questions

What is Robert Castro, MD's NPI number?

Robert Castro, MD's National Provider Identifier (NPI) is 1548368459, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Castro, MD located?

The NPPES record lists a practice address at Condominio LA Palma Peral #14, Mayaguez, PR, 00680. Phone: (787) 834-2994. Providers update this record themselves, so call before visiting.

How can I verify Robert Castro, MD's license?

Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Castro, MD prescribe under Medicare Part D?

In 2024, Robert Castro, MD had 1,797 Medicare Part D claims for 458 beneficiaries; the average among anesthesiology physician prescribers was 823. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.