Doctor profile · Federal record

Dr. Claire Grigaux, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Union, NJ

  • NPI 1992883557
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Galloping Hill Road, Developmental Disabilities Center
Union, NJ 07083
(908) 598-6655
fax (908) 686-8374
Mailing address
Po Box 416457
Boston, MA 022416457

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 23, 2016
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New Jersey #25MA08546700 · California #A83392
Medicaid
CA #00A833920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992883557. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,480
Distinct HCPCS
10
Medicare allowed
$152,077
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,140 14 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 468 208 $100
99215 Established patient office or other outpatient visit, 40-54 minutes 206 200 $196
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 181 181 $142
G0008 Administration of influenza virus vaccine 136 131 $34
99214 Established patient office or other outpatient visit, 30-39 minutes 83 63 $141
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 64 64 $33
99212 Established patient office or other outpatient visit, 10-19 minutes 58 52 $63
90662 Influenza vaccine split virus, preservative free 50 50 $72
99495 Transitional care management services for problem of at least moderate complexity 27 21 $227

In context: peer comparison

Among 11 peers in this city , average services per provider: 213. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, Inc. 1 $28.33
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $15.12

By nature of payment

Food and Beverage
$43

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,282
Patients
493
Total drug cost
$56,742
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,050 104 $12,173
Levothyroxine Sodium Generic 517 50 $6,035
Amlodipine Besylate Generic 513 50 $3,540
Simvastatin Generic 316 32 $2,791
Lisinopril Generic 307 32 $2,434
Metformin Hcl Generic 295 32 $4,950
Metoprolol Succinate Generic 215 24 $3,611
Fluticasone Propionate Generic 198 34 $3,721
Ketoconazole Generic 193 30 $4,898
Omeprazole Generic 130 22 $1,508

Frequently asked questions

Auto-generated from federal data
What is Dr. Claire Grigaux's medical specialty?
Dr. Claire Grigaux practices Internal Medicine Physician in Union, NJ.
Where does Dr. Claire Grigaux practice?
Dr. Claire Grigaux practices at 1000 Galloping Hill Road, Union, NJ 07083. Office phone: 9085986655.
What is Dr. Claire Grigaux's NPI?
Dr. Claire Grigaux's National Provider Identifier (NPI) is 1992883557, issued by NPPES.
Does Dr. Claire Grigaux accept Medicare assignment?
Yes. Dr. Claire Grigaux accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claire Grigaux commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.