NPPES file of Aug 9, 2026

Walter Pagan, M.D.

Psychiatry Physician · San Juan, PR

Walter Pagan, M.D. is a psychiatry physician with a practice address in San Juan, Puerto Rico, and NPI 1922041722, issued on Jun 13, 2006. Check the license (Puerto Rico 10843, 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
1922041722
Name
Walter Pagan
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
10843 PR
Self-reported in NPPES; status is on the state search
Practice location
435 Ave Hostos, San Juan, PR 00918
Phone
(787) 753-9515
Enumerated
Jun 13, 2006
Record last updated
Jul 13, 2026
Fax
(787) 753-8327
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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Also registered at 435 Ave Hostos

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

  1. Omayra Alicea, M.A.Counseling Psychologist1417107681
  2. Francisco Amador, MDPsychiatry Physician1790762334
  3. Aracely Baez, PSY.DClinical Psychologist1134357684
  4. Vimarie Burgos Vargas, MASTERCounseling Psychologist1427387174
  5. Myrna Candelario, PSY.DClinical Psychologist1295781102
  6. Rosidany MaldonadoClinical Nurse Specialist1942801725

Verify Walter Pagan 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 10843
    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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3.8 times the Medicare Part D claims of the average psychiatry physician in 2024

3,814 Medicare Part D claims for 135 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Walter Pagan3,814
  2. Specialty average1,000

Most prescribed

  1. Clonazepam458 claims
  2. Temazepam259 claims
  3. Bupropion Xl219 claims
  4. Quetiapine Fumarate184 claims
  5. Aripiprazole173 claims
  6. Lorazepam149 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.

Walter Pagan among 403 psychiatry physician records in Puerto Rico

Walter Pagan, M.D. is one of 403 psychiatry 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 47% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 30% of these records are
  • Record last updated2026 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

168 psychiatry physician records list a practice address in San Juan

They are 168 of the 8,960 NPPES records with a practice address in San Juan, and 403 psychiatry physician records in Puerto Rico.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Francisco Amador, MDSan Juan, PR 009181790762334
  2. Mario Bernal, MDSan Juan, PR 009181003891318
  3. Pedro Colberg, M.D.San Juan, PR 009181841257763
  4. Yvette Cruz, M.D.San Juan, PR 009181558300616
  5. Alan Del Castillo, M.D.San Juan, PR 009181114968187
  6. Jaime Del Toro Soto, M.D.San Juan, PR 009181316906365
  7. Dayra Fernandez, MDSan Juan, PR 009181811956709
  8. Elvira Giambartolomei, M.D.Hato Rey, PR 009181528038007

Common questions

What is Walter Pagan, M.D.'s NPI number?

Walter Pagan, M.D.'s National Provider Identifier (NPI) is 1922041722, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Walter Pagan, M.D. located?

The NPPES record lists a practice address at 435 Ave Hostos, San Juan, PR, 00918. Phone: (787) 753-9515. Providers update this record themselves, so call before visiting.

How can I verify Walter Pagan, M.D.'s license?

NPPES lists Puerto Rico license number 10843, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Walter Pagan, M.D. prescribe under Medicare Part D?

In 2024, Walter Pagan, M.D. had 3,814 Medicare Part D claims for 135 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.