Registry data as of Aug 27, 2026

Laisha Baez Negron, MD

Rheumatology Physician · Carolina, PR

Laisha Baez Negron, MD is a rheumatology physician with a practice address in Carolina, Puerto Rico, and NPI 1336660448, issued on Jun 28, 2017. Check the license (Puerto Rico 19651, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1336660448
Name
Laisha Baez Negron
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
19651 PR
Self-reported in NPPES; status is on the state search
Practice location
Laguna Gardens Shopping Center, Carolina, PR 00979
Phone
(787) 980-6369
Enumerated
Jun 28, 2017
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 Laguna Gardens Shopping Center

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

  1. Norberto Medina Pellicer, DMDGeneral Practice Dentistry1083830970
  2. Gustavo Rivera Cruz, MDPsychiatry Physician1215029046

Verify Laisha Baez Negron 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 19651
    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.

95% fewer Medicare Part D claims than the average rheumatology physician in 2024

99 Medicare Part D claims for 38 beneficiaries, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D.

  1. Laisha Baez Negron99
  2. Specialty average2,058

Most prescribed

  1. Meloxicam23 claims
  2. Prednisone15 claims
  3. Gabapentin11 claims
  4. Methotrexate11 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: $1,937.73

4 payments, mostly consulting fee; the largest payer was Abbvie Inc.. The 3,502 providers of this specialty with any payment received $8,487.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Laisha Baez Negron$1,937.73
  2. Specialty average$8,487.29

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

Rheumatology Physician providers in Puerto Rico

There are 66 rheumatology physician records in Puerto Rico.

Other rheumatology physician records in Puerto Rico

  1. Paloma Alejandro, M.D.San Juan, PR1578820577
  2. Roberto Alvarez, M.D.Aibonito, PR1225071467
  3. Osvaldo Antommattei, MDPonce, PR1821063074
  4. Oscar Arill, M.D.San Juan, PR1871540724
  5. Michael Babilonia Roman, M.D.Mayaguez, PR1720088057
  6. Maria Del Carmen Ballesteros Ramos, MDPonce, PR1841251683
  7. Livia Bermudez, M.D.Fajardo, PR1659477800
  8. Phillip Bonneaux, MDSan Juan, PR1629066006
  9. Efrain Carrasquillo, M.D.Manati, PR1982745436
  10. Lesliane Castro-Santana, M.D.Humacao, PR1376749077

Common questions

What is Laisha Baez Negron, MD's NPI number?

Laisha Baez Negron, MD's National Provider Identifier (NPI) is 1336660448, issued on Jun 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Laisha Baez Negron, MD located?

The NPPES record lists a practice address at Laguna Gardens Shopping Center, Carolina, PR, 00979. Phone: (787) 980-6369. Providers update this record themselves, so call before visiting.

How can I verify Laisha Baez Negron, MD's license?

NPPES lists Puerto Rico license number 19651, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Laisha Baez Negron, MD prescribe under Medicare Part D?

In 2024, Laisha Baez Negron, MD had 99 Medicare Part D claims for 38 beneficiaries; the average among rheumatology physician prescribers was 2,058. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.