Guillermo J. Hoyos Precssas, MD
Psychiatry Physician · San Juan, PR
Guillermo J. Hoyos Precssas, MD is a psychiatry physician with a practice address in San Juan, Puerto Rico, and NPI 1184703928, issued on Nov 3, 2006. Check the license (Puerto Rico 4008, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Guillermo J. Hoyos Precssas
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 4008 PR
4301059261 MI
Self-reported in NPPES; status is on the state search - Practice location
- 268 Ave Ponce DE Leon, San Juan, PR 00918
- Phone
- (787) 765-7010
- Enumerated
- Nov 3, 2006
- Record last updated
- Feb 15, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (787) 281-8533
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 403 in Puerto Rico → Look up another NPI →
Also registered at 268 Ave Ponce DE Leon
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jose Acevedo, PSY.DClinical Psychologist1487952339
- Luz Torres, R.P.H.APharmacy Technician1376750927
- Rebeca Velazquez Alvarez, M.D.Specialist1134327992
Verify Guillermo J. Hoyos Precssas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 4008Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.4 times the Medicare Part D claims of the average psychiatry physician in 2024
7,388 Medicare Part D claims for 300 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Clonazepam1,547 claims
- Temazepam434 claims
- Zolpidem Tartrate309 claims
- Duloxetine Hcl303 claims
- Paroxetine Hcl287 claims
- Bupropion Xl257 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.
Guillermo J. Hoyos Precssas among 403 psychiatry physician records in Puerto Rico
Guillermo J. Hoyos Precssas, MD 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 updated2017 · 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.
All 403 in Puerto Rico → Every provider in San Juan → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Francisco Amador, MDSan Juan, PR 009181790762334
- Mario Bernal, MDSan Juan, PR 009181003891318
- Pedro Colberg, M.D.San Juan, PR 009181841257763
- Yvette Cruz, M.D.San Juan, PR 009181558300616
- Alan Del Castillo, M.D.San Juan, PR 009181114968187
- Jaime Del Toro Soto, M.D.San Juan, PR 009181316906365
- Dayra Fernandez, MDSan Juan, PR 009181811956709
- Elvira Giambartolomei, M.D.Hato Rey, PR 009181528038007
Common questions
What is Guillermo J. Hoyos Precssas, MD's NPI number?
Guillermo J. Hoyos Precssas, MD's National Provider Identifier (NPI) is 1184703928, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo J. Hoyos Precssas, MD located?
The NPPES record lists a practice address at 268 Ave Ponce DE Leon, San Juan, PR, 00918. Phone: (787) 765-7010. Providers update this record themselves, so call before visiting.
How can I verify Guillermo J. Hoyos Precssas, MD's license?
NPPES lists Puerto Rico license number 4008, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Guillermo J. Hoyos Precssas, MD prescribe under Medicare Part D?
In 2024, Guillermo J. Hoyos Precssas, MD had 7,388 Medicare Part D claims for 300 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.