Doctor profile · Federal record

Dr. Janyll Castineira, DO

Gastroenterology Physician (CMS: Gastroenterology) · Largo, FL

  • NPI 1760830731
  • Accepts Medicare
  • MIPS 96.6 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13777 Belcher RD S Ste 100
Largo, FL 337714096
(727) 544-1600
fax (727) 546-9071

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
May 27, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Florida #OS15490

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760830731. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
446
Distinct HCPCS
10
Medicare allowed
$50,478
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 72 50 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 66 59 $118
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 62 56 $98
99214 Established patient office or other outpatient visit, 30-39 minutes 52 43 $125
45380 Biopsy of large bowel using a flexible endoscope 51 49 $107
99204 New patient office or other outpatient visit, 45-59 minutes 50 50 $162
99213 Established patient office or other outpatient visit, 20-29 minutes 37 30 $88
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 28 26 $191
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 15 13 $119
43450 Dilation of esophagus 13 11 $40

In context: peer comparison

Among 4 peers in Largo Gastroenterology Physician, average services per provider: 53. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,146
Transactions
36
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 5 $285.34
Abbvie INC. 12 $249.13
Qol Medical, LLC 3 $184.81
Aimmune Therapeutics, INC. 2 $142.35
Takeda Pharmaceuticals U.S.A., INC. 3 $59.63
Lilly USA, LLC 2 $48.20
Axonics, INC. 2 $43.11
Braintree Laboratories, INC. 2 $33.77
Pfizer INC. 2 $32.72
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $24.04
Celgene Corporation 1 $22.49
Regeneron Healthcare Solutions, INC. 1 $20.86

By nature of payment

Food and Beverage
$1,071
Education
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
283
Patients
118
Total drug cost
$12,504
Drug Type Claims Patients Total cost
Omeprazole Generic 121 51 $1,669
Pantoprazole Sodium Generic 80 32 $882
Famotidine Generic 20 0 $156
Linzess (Linaclotide) Brand 14 0 $8,513
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 13 13 $366
Colestipol Hcl Generic 12 0 $729
Lactulose Generic 12 11 $73
Metronidazole Generic 11 11 $115

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Janyll Castineira's medical specialty?
Dr. Janyll Castineira practices Gastroenterology Physician in Largo, FL.
Where does Dr. Janyll Castineira practice?
Dr. Janyll Castineira practices at 13777 Belcher RD S Ste 100, Largo, FL 337714096. Office phone: 7275441600.
What is Dr. Janyll Castineira's NPI?
Dr. Janyll Castineira's National Provider Identifier (NPI) is 1760830731, issued by NPPES.
Does Dr. Janyll Castineira accept Medicare assignment?
Yes. Dr. Janyll Castineira accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Janyll Castineira commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.