Janyll Irene Castineira, DO
Gastroenterology Physician · Largo, FL
Janyll Irene Castineira, DO is a gastroenterology physician with a practice address in Largo, Florida, and NPI 1760830731, issued on May 31, 2016. Check the license (Florida OS15490, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Janyll Irene Castineira
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- OS15490 FL
Self-reported in NPPES; status is on the state search - Practice location
- 13777 Belcher RD S Ste 100, Largo, FL 33771
- Phone
- (727) 544-1600
- Enumerated
- May 31, 2016
- Record last updated
- May 27, 2022
- Fax
- (727) 546-9071
- Medicare enrollment
- Enrolled (PECOS I20190809000812); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,513 in Florida → Look up another NPI →
Also registered at 13777 Belcher RD S Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Barber, PA-CMedical Physician Assistant1427087055
- Sara Jones, APRNAdult Health Nurse Practitioner1972497709
Verify Janyll Irene Castineira in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS15490Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average gastroenterology physician in 2024
417 Medicare Part D claims for 137 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole159 claims
- Pantoprazole Sodium67 claims
- Linzess41 claims
- Gavilyte-G23 claims
- Famotidine19 claims
- Peg 3350-Electrolyte12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,146.45
36 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- University OF MiamiMiami, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janyll Irene Castineira among 1,513 gastroenterology physician records in Florida
Janyll Irene Castineira, DO is one of 1,513 gastroenterology physician records with a practice address in Florida. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2016 · median 2000 among the 1,156 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Florida
There are 1,513 gastroenterology physician records in Florida.
All 1,513 in Florida → Every provider in Largo → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Steven Beljic, D.O.Largo, FL 337711275627697
- Marc Kudelko, D.O.Largo, FL 337711881788768
- Meir Mizrahi, MDLargo, FL 337711881054161
- Justin Nudell, D.O.Largo, FL 337711922210582
- Michael Schulman, D.O.Largo, FL 337711700971017
- Heidi GoldbergSeminole, FL 337721346353059
- Suhail KayyaliLargo, FL 337701023577855
- Huey Nguyen, M.D.Largo, FL 337701699773564
Common questions
What is Janyll Irene Castineira, DO's NPI number?
Janyll Irene Castineira, DO's National Provider Identifier (NPI) is 1760830731, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Janyll Irene Castineira, DO located?
The NPPES record lists a practice address at 13777 Belcher RD S Ste 100, Largo, FL, 33771. Phone: (727) 544-1600. Providers update this record themselves, so call before visiting.
How can I verify Janyll Irene Castineira, DO's license?
NPPES lists Florida license number OS15490, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Janyll Irene Castineira, DO prescribe under Medicare Part D?
In 2024, Janyll Irene Castineira, DO had 417 Medicare Part D claims for 137 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Janyll Irene Castineira, DO's MIPS final score?
The 2023 MIPS final score is 96.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.