Doctor profile · Federal record

Dr. Judith Castillo, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Trumbull, CT

  • NPI 1205034600
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
112 Quarry RD, Suite 250
Trumbull, CT 066114816
(203) 372-7200
fax (203) 374-1473

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
January 13, 2014
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Connecticut #043964

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205034600. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
10,037
Distinct HCPCS
10
Medicare allowed
$303,311
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 8,641 81 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 514 276 $135
82962 Blood glucose (sugar) test performed by hand-held instrument 258 127 $3
96372 Injection of drug or substance under skin or into muscle 175 86 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 164 127 $96
83036 Hemoglobin a1c level 75 58 $10
J3489 Injection, zoledronic acid, 1 mg 70 14 $9
76536 Ultrasound scan of head and neck soft tissue 59 57 $123
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 36 21 $36
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $176

In context: peer comparison

Among 7 peers in this city , average services per provider: 632. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$246
Transactions
7
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 6 $126.20
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $119.99

By nature of payment

Food and Beverage
$246

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,216
Patients
1,221
Total drug cost
$2,973,113
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 615 198 $11,726
Ozempic (Semaglutide) Brand 474 121 $829,492
Synthroid (Levothyroxine Sodium) Brand 474 136 $56,143
Jardiance (Empagliflozin) Brand 433 112 $594,043
Trulicity (Dulaglutide) Brand 317 78 $594,577
Rosuvastatin Calcium Generic 285 94 $6,798
Mounjaro (Tirzepatide) Brand 261 62 $378,813
Atorvastatin Calcium Generic 215 65 $2,860
Tresiba Flextouch U-200 (Insulin Degludec) Brand 203 53 $205,236
Metformin Hcl Er (Metformin Hcl) Brand 193 65 $3,524

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Judith Castillo's medical specialty?
Dr. Judith Castillo practices Endocrinology, Diabetes & Metabolism Physician in Trumbull, CT.
Where does Dr. Judith Castillo practice?
Dr. Judith Castillo practices at 112 Quarry RD, Trumbull, CT 066114816. Office phone: 2033727200.
What is Dr. Judith Castillo's NPI?
Dr. Judith Castillo's National Provider Identifier (NPI) is 1205034600, issued by NPPES.
Does Dr. Judith Castillo accept Medicare assignment?
Yes. Dr. Judith Castillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Judith Castillo commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Blood glucose (sugar) test performed by hand-held instrument (HCPCS 82962). Source: CMS Medicare Physician & Other Practitioners file.