NPPES file of Aug 9, 2026

Sixto A. Velez Natali

General Practice Physician · Ponce, PR

Sixto A. Velez Natali is a general practice physician with a practice address in Ponce, Puerto Rico, and NPI 1164500625, issued on Nov 1, 2006. Check the license (Puerto Rico 11487, 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
1164500625
Name
Sixto A. Velez Natali
Primary taxonomy
General Practice Physician 208D00000X
License number
11487 PR
Self-reported in NPPES; status is on the state search
Practice location
2213 Ponce Byp, Ponce, PR 00717
Phone
(787) 840-8655
Enumerated
Nov 1, 2006
Record last updated
Nov 9, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080208000021); accepts Medicare assignment
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 2213 Ponce Byp

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

  1. Jose BaezStudent in an Organized Health Care Education/Training Program1457189458
  2. Laura Bou DelgadoStudent in an Organized Health Care Education/Training Program1326783101
  3. Mauricio Caceres Chacon, MD, PHDStudent in an Organized Health Care Education/Training Program1194100305
  4. Alexandra DemchakStudent in an Organized Health Care Education/Training Program1548044217
  5. Mariemma Domenech, MDStudent in an Organized Health Care Education/Training Program1003668096
  6. Alexander Fret Cruz, MDInternal Medicine Physician1457994683

Verify Sixto A. Velez Natali 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 11487
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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84% fewer Medicare Part D claims than the average general practice physician in 2024

474 Medicare Part D claims for 276 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Sixto Velez Natali474
  2. Specialty average3,030

Most prescribed

  1. Ibuprofen69 claims
  2. Amoxicillin-Clavulanate Potass52 claims
  3. Methylprednisolone50 claims
  4. Famotidine34 claims
  5. Azithromycin33 claims
  6. Dexamethasone26 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: $22.30

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.

  1. Sixto Velez Natali$22.30
  2. Specialty average$1,273.40

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

Bills Medicare through one group practice

  1. Migrant Health Center Western Region,incSabana Grande, PR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sixto A. Velez Natali among 4,170 general practice physician records in Puerto Rico

Sixto A. Velez Natali 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 65% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 29% of these records are
  • Graduated1991 · median 2004 among the 1,228 with a school on file
  • Record last updated2016 · 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).

230 general practice physician records list a practice address in Ponce

They are 230 of the 3,338 NPPES records with a practice address in Ponce, and 4,170 general practice physician records in Puerto Rico.

The 8 general practice physician records with the nearest ZIP codes

  1. Sally Del Toro, M.D., MPHPonce, PR 007171821016114
  2. Soria Diaz Baez, MDPonce, PR 007171508957630
  3. Nelson Diaz Baez, M.D.Ponce, PR 007171558457218
  4. Denisse Encarnacion Colon, MDPonce, PR 007171376628115
  5. Diana Gaona, M.D.Ponce, PR 007171013936939
  6. Anette Garcia PenaPonce, PR 007171326096223
  7. Ashley Garcia-Jorge, MDPonce, PR 007171417963802
  8. Lilliam Ramos Olivencia, M.D.Ponce, PR 007171982692075

Common questions

What is Sixto A. Velez Natali's NPI number?

Sixto A. Velez Natali's National Provider Identifier (NPI) is 1164500625, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sixto A. Velez Natali located?

The NPPES record lists a practice address at 2213 Ponce Byp, Ponce, PR, 00717. Phone: (787) 840-8655. Providers update this record themselves, so call before visiting.

How can I verify Sixto A. Velez Natali's license?

NPPES lists Puerto Rico license number 11487, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Sixto A. Velez Natali prescribe under Medicare Part D?

In 2024, Sixto A. Velez Natali had 474 Medicare Part D claims for 276 beneficiaries; 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.