Doctor profile · Federal record

Dr. Gretchen Castleman, FNP, ENP

Nurse Practitioner · Emergency Medicine Physician · Nashville, TN

  • NPI 1154055036
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1818 Albion St
Nashville, TN 372082918
(615) 341-4000
Mailing address
450 Capri Dr
Nashville, TN 372092722

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Profile last updated
April 21, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Tennessee #31263

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154055036. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $15.40

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen Castleman's medical specialty?
Dr. Gretchen Castleman practices Nurse Practitioner in Nashville, TN.
Where does Dr. Gretchen Castleman practice?
Dr. Gretchen Castleman practices at 1818 Albion St, Nashville, TN 372082918. Office phone: 6153414000.
What is Dr. Gretchen Castleman's NPI?
Dr. Gretchen Castleman's National Provider Identifier (NPI) is 1154055036, issued by NPPES.
Does Dr. Gretchen Castleman accept Medicare assignment?
Yes. Dr. Gretchen Castleman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.