NPPES file of Aug 9, 2026

Karissa Fuller, MS, RD, LND

Registered Dietitian · San Juan, PR

Karissa Fuller, MS, RD, LND is a registered dietitian with a practice address in San Juan, Puerto Rico, and NPI 1821690256, issued on Nov 10, 2020. Check the license (Puerto Rico 2108, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821690256
Name
Karissa Fuller
Credential
MS, RD, LND
Primary taxonomy
Registered Dietitian 133V00000X
License number
2108 PR
Self-reported in NPPES; status is on the state search
Practice location
1ER Piso, Centro Medico DE Puerto Rico, San Juan, PR 00926
Phone
(787) 773-8283
Enumerated
Nov 10, 2020
Record last updated
Oct 27, 2022
Medicare enrollment
Enrolled (PECOS I20221129003562); 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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8 nearest registered dietitian records → All 350 in Puerto Rico → Look up another NPI →

Verify Karissa Fuller 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 2108    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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Bills Medicare through one group practice

  1. Centro DE Investigacion Educacion Y Servicios Medicos Para LA DiabetesRio Piedras, PR

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

Karissa Fuller among 350 registered dietitian records in Puerto Rico

Karissa Fuller, MS, RD, LND is one of 350 registered dietitian records with a practice address in Puerto Rico. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.

  • NPI issued2020 · 62% of these records are older, 32% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2017 · median 2018 among the 32 with a school on file
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

99 registered dietitian records list a practice address in San Juan

They are 99 of the 8,960 NPPES records with a practice address in San Juan, and 350 registered dietitian records in Puerto Rico.

All 350 in Puerto Rico → Every provider in San Juan → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Carmen Betancourt Rodriguez, LNDSan Juan, PR 009261003651647
  2. Abdiel Colberg, RDN, LNDSan Juan, PR 009261780007534
  3. Celimar Collado, RDNSan Juan, PR 009261437622636
  4. Esther Fonseca, RD LNDSan Juan, PR 009261427602390
  5. Carmen Garcia SaisSan Juan, PR 009261306229299
  6. Doris Medina, LND,RDSan Juan, PR 009261760635106
  7. Cristina Munoz, LNDSan Juan, PR 009261962882829
  8. Lyana Nieves Vargas, RD, LDNSan Juan, PR 009261629745583

Common questions

What is Karissa Fuller, MS, RD, LND's NPI number?

Karissa Fuller, MS, RD, LND's National Provider Identifier (NPI) is 1821690256, issued on Nov 10, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Karissa Fuller, MS, RD, LND located?

The NPPES record lists a practice address at 1ER Piso, Centro Medico DE Puerto Rico, San Juan, PR, 00926. Phone: (787) 773-8283. Providers update this record themselves, so call before visiting.

How can I verify Karissa Fuller, MS, RD, LND's license?

NPPES lists Puerto Rico license number 2108, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.