Sigrid D. Perez Frontera, M.D.
General Practice Physician · Adjuntas, PR
Sigrid D. Perez Frontera, M.D. is a general practice physician with a practice address in Adjuntas, Puerto Rico, and NPI 1649277765, issued on Jul 5, 2005. Check the license (Puerto Rico 16572, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sigrid D. Perez Frontera
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 16572 PR
Self-reported in NPPES; status is on the state search - Practice location
- 18 Calle Progreso, Adjuntas, PR 00601
- Phone
- (787) 829-1617
- Enumerated
- Jul 5, 2005
- Record last updated
- May 16, 2025
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Also registered at 18 Calle Progreso
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sigfredo Acevedo Cruz, MDGeneral Practice Physician1508058777
- Jose Perez Valentin, M.D.General Practice Physician1942206032
Verify Sigrid D. Perez Frontera 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 16572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average general practice physician in 2024
15 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
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: $8,848.61
10 payments; by number, the most common kind was travel and lodging; the largest payer was Gilead Sciences, Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Sigrid D. Perez Frontera among 4,170 general practice physician records in Puerto Rico
Sigrid D. Perez Frontera, M.D. is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2025 · 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 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 general practice physician records list a practice address in Adjuntas
They are 9 of the 64 NPPES records with a practice address in Adjuntas, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Adjuntas → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Sigfredo Acevedo Cruz, MDAdjuntas, PR 006011508058777
- Loriann Antommarchi Vargas, MDAdjuntas, PR 006011912928318
- Jose Colon Borrero, M.D.Adjuntas, PR 006011649350406
- Alben Cuevas Gonzalez, MDAdjuntas, PR 006011669242970
- Jose Mariani OstolazaCastaner, PR 006011699221515
- Jose Perez Valentin, M.D.Adjuntas, PR 006011942206032
- Jessica Rios Santiago, M.D.Adjuntas, PR 006011538898267
- Mayra Torres Pagan, MDAdjuntas, PR 006011336125608
Common questions
What is Sigrid D. Perez Frontera, M.D.'s NPI number?
Sigrid D. Perez Frontera, M.D.'s National Provider Identifier (NPI) is 1649277765, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sigrid D. Perez Frontera, M.D. located?
The NPPES record lists a practice address at 18 Calle Progreso, Adjuntas, PR, 00601. Phone: (787) 829-1617. Providers update this record themselves, so call before visiting.
How can I verify Sigrid D. Perez Frontera, M.D.'s license?
NPPES lists Puerto Rico license number 16572, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Sigrid D. Perez Frontera, M.D. prescribe under Medicare Part D?
In 2024, Sigrid D. Perez Frontera, M.D. had 15 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.