Doctor profile · Federal record

Dr. C Kahn, M.D.

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

  • NPI 1891845830
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Joslin Diabetes Center, 1 Joslin Place
Boston, MA 02215
(617) 732-2635

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Massachusetts #48036

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891845830. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,782
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alnylam Pharmaceuticals Inc. 1 $2,750.00
Novartis Pharmaceuticals Corporation 2 $1,031.90

By nature of payment

Consulting Fee
$2,750
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$1,000
Travel and Lodging
$32

Frequently asked questions

Auto-generated from federal data
What is Dr. C Kahn's medical specialty?
Dr. C Kahn practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. C Kahn practice?
Dr. C Kahn practices at Joslin Diabetes Center, Boston, MA 02215. Office phone: 6177322635.
What is Dr. C Kahn's NPI?
Dr. C Kahn's National Provider Identifier (NPI) is 1891845830, issued by NPPES.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 23, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›