NPPES file of Aug 9, 2026

Julio Ortiz McWilliam, M.D.

Otolaryngology Physician · Humacao, PR

Julio Ortiz McWilliam, M.D. is an otolaryngology physician with a practice address in Humacao, Puerto Rico, and NPI 1336219880, issued on Nov 9, 2006. Check the license (Puerto Rico 9187, 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
1336219880
Name
Julio Ortiz McWilliam
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
9187 PR
Self-reported in NPPES; status is on the state search
Practice location
5 Calle Dufresne E, Humacao, PR 00791
Phone
(787) 656-5247
Enumerated
Nov 9, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080529000871); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1982
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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Also registered at 5 Calle Dufresne E

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ivette Fontanez OrtizHealth Educator1407319304
  2. Caroline Lebron RosaAttendant Care Provider1457814451
  3. Luis Perez, M.D.Specialist1164525002
  4. Karylin Vega RiveraSocial Worker1356902332

Verify Julio Ortiz McWilliam 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 9187
    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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5.6 times the Medicare Part D claims of the average otolaryngology physician in 2024

3,013 Medicare Part D claims for 869 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 11 claims were for opioids.

  1. Julio Ortiz McWilliam3,013
  2. Specialty average541

Most prescribed

  1. Fluticasone Propionate976 claims
  2. Famotidine707 claims
  3. Azelastine Hcl318 claims
  4. Clotrimazole-Betamethasone183 claims
  5. Omeprazole154 claims
  6. Montelukast Sodium102 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.

Julio Ortiz McWilliam among 53 otolaryngology physician records in Puerto Rico

Julio Ortiz McWilliam, M.D. is one of 53 otolaryngology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 28% of them.

  • NPI issued2006 · 28% of these records are older, 42% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1982 · median 1994 among the 40 with a school on file
  • Record last updated2007 · 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 207Y00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Puerto Rico

There are 53 otolaryngology physician records in Puerto Rico.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Jose Otero Garcia, M.D.Fajardo, PR 007381407851959
  2. Luis Tarrats, M.D.,J.D.Cayey, PR 007361124314943
  3. Miguel Vega-Maldonado, M.D.Cayey, PR 007361083691430
  4. Michael Arruza Elias, MDCaguas, PR 007251861473837
  5. Mario Corona Ruiz, MDPonce, PR 007171306247812
  6. William Santiago Butler, M.D.,Ponce, PR 007171093745614
  7. Pedro Vendrell Martin, MD- ENT HNSPonce, PR 007171467562538
  8. Gustavo Almodovar-Mercado, M.D.Mayaguez, PR 006801447480918

Common questions

What is Julio Ortiz McWilliam, M.D.'s NPI number?

Julio Ortiz McWilliam, M.D.'s National Provider Identifier (NPI) is 1336219880, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Julio Ortiz McWilliam, M.D. located?

The NPPES record lists a practice address at 5 Calle Dufresne E, Humacao, PR, 00791. Phone: (787) 656-5247. Providers update this record themselves, so call before visiting.

How can I verify Julio Ortiz McWilliam, M.D.'s license?

NPPES lists Puerto Rico license number 9187, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Julio Ortiz McWilliam, M.D. prescribe under Medicare Part D?

In 2024, Julio Ortiz McWilliam, M.D. had 3,013 Medicare Part D claims for 869 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.