Doctor profile · Federal record

Dr. Clayton Alfonso, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Durham, NC

  • NPI 1790028843
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2301 Erwin RD
Durham, NC 27710
(919) 684-8111

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
July 1, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
North Carolina #201602541

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790028843. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$32
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $31.51

By nature of payment

Food and Beverage
$32

Frequently asked questions

Auto-generated from federal data
What is Dr. Clayton Alfonso's medical specialty?
Dr. Clayton Alfonso practices Obstetrics & Gynecology Physician in Durham, NC.
Where does Dr. Clayton Alfonso practice?
Dr. Clayton Alfonso practices at 2301 Erwin RD, Durham, NC 27710. Office phone: 9196848111.
What is Dr. Clayton Alfonso's NPI?
Dr. Clayton Alfonso's National Provider Identifier (NPI) is 1790028843, issued by NPPES.
Does Dr. Clayton Alfonso accept Medicare assignment?
Yes. Dr. Clayton Alfonso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.