NPPES file of Aug 9, 2026

Oscar A. Duyos, M.D.

Orthopaedic Surgery of the Spine Physician · Cayey, PR

Oscar A. Duyos, M.D. is an orthopaedic surgery of the spine physician with a practice address in Cayey, Puerto Rico, and NPI 1881982437, issued on Jul 18, 2011. Check the license (Puerto Rico 18913, 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
1881982437
Name
Oscar A. Duyos
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery of the Spine Physician 207XS0117X
License numbers
18913 PR
61444 MN
Self-reported in NPPES; status is on the state search
Practice location
Edificio Profesional, Cayey, PR 00736
Phone
(787) 918-0300
Enumerated
Jul 18, 2011
Record last updated
Jul 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180724002295); accepts Medicare assignment
Medical or professional school
Ponce School Of Medicine, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Oscar A. Duyos 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 18913
    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
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80% more Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024

684 Medicare Part D claims for 237 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 227 claims were for opioids.

  1. Oscar Duyos684
  2. Specialty average381

Most prescribed

  1. Gabapentin235 claims
  2. Oxycodone-Acetaminophen220 claims
  3. Diazepam182 claims
  4. Sulfamethoxazole-Trimethoprim16 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: $1,495.98

9 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Oscar Duyos$1,496
  2. Specialty average$34,072

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

Oscar A. Duyos among 12 orthopaedic surgery of the spine physician records in Puerto Rico

Oscar A. Duyos, M.D. is one of 12 orthopaedic surgery of the spine physician records with a practice address in Puerto Rico. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 75% of them.

  • NPI issued2011 · 75% of these records are older, 17% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated2011 · median 2004 among the 11 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery of the Spine Physician providers in Puerto Rico

There are 12 orthopaedic surgery of the spine physician records in Puerto Rico.

The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes

  1. Luis Bisbal-Matos, MDCaguas, PR 007251013449511
  2. Enrique Escobar-Medina, M.D.Caguas, PR 007251669588562
  3. Hector Vargas-Soto, M.D.Mayaguez, PR 006821467488650
  4. Fernando Villamil, M.D.San Juan, PR 009011982647418
  5. Luis Marrero PerezSan Juan, PR 009071376747386
  6. Jose Montanez Huertas, MDSan Juan, PR 009071528017548
  7. Christopher Alcala-Marquez, M.D.San Juan, PR 009091669637542
  8. Yamil Rivera-Colon, M.D.San Juan, PR 009101427088822

Common questions

What is Oscar A. Duyos, M.D.'s NPI number?

Oscar A. Duyos, M.D.'s National Provider Identifier (NPI) is 1881982437, issued on Jul 18, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Oscar A. Duyos, M.D. located?

The NPPES record lists a practice address at Edificio Profesional, Cayey, PR, 00736. Phone: (787) 918-0300. Providers update this record themselves, so call before visiting.

How can I verify Oscar A. Duyos, M.D.'s license?

NPPES lists Puerto Rico license number 18913, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Oscar A. Duyos, M.D. prescribe under Medicare Part D?

In 2024, Oscar A. Duyos, M.D. had 684 Medicare Part D claims for 237 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. 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.