Doctor profile · Federal record

Dr. Ansu Joy, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Princeton, NJ

  • NPI 1629278536
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 Ewing St
Princeton, NJ 085402757
(609) 924-4433

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
September 3, 2012
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
New Jersey #25MA08955200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629278536. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,001
Distinct HCPCS
6
Medicare allowed
$114,412
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 523 266 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 234 192 $96
76536 Ultrasound scan of head and neck soft tissue 120 118 $124
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 81 39 $36
83036 Hemoglobin a1c level 27 25 $10
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $169

In context: peer comparison

Among 8 peers in Princeton Endocrinology, Diabetes & Metabolism Physician, average services per provider: 223. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$191
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 1 $121.85
Insulet Corporation 1 $23.45
Abbvie INC. 1 $18.04
Sanofi-Aventis U.S. LLC 1 $14.45
Novo Nordisk INC 1 $13.34

By nature of payment

Food and Beverage
$191

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,460
Patients
730
Total drug cost
$1,118,060
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 539 148 $8,760
Synthroid (Levothyroxine Sodium) Brand 269 75 $31,545
Glimepiride Generic 266 67 $4,505
Jardiance (Empagliflozin) Brand 232 68 $358,186
Metformin Hcl Generic 219 66 $2,777
Ozempic (Semaglutide) Brand 156 50 $348,925
Metformin Hcl ER (Metformin Hcl) Brand 139 42 $2,998
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 101 31 $77,652
Methimazole Generic 99 25 $1,537
Novolog Flexpen (Insulin Aspart) Brand 87 31 $134,036

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ansu Joy's medical specialty?
Dr. Ansu Joy practices Endocrinology, Diabetes & Metabolism Physician in Princeton, NJ.
Where does Dr. Ansu Joy practice?
Dr. Ansu Joy practices at 601 Ewing St, Princeton, NJ 085402757. Office phone: 6099244433.
What is Dr. Ansu Joy's NPI?
Dr. Ansu Joy's National Provider Identifier (NPI) is 1629278536, issued by NPPES.
Does Dr. Ansu Joy accept Medicare assignment?
Yes. Dr. Ansu Joy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ansu Joy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Ultrasound scan of head and neck soft tissue (HCPCS 76536). Source: CMS Medicare Physician & Other Practitioners file.