Doctor profile · Federal record

Dr. Franklin Thelmo, DO

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Wilmington, DE

  • NPI 1861951790
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
501 W 14Th St Fl 4
Wilmington, DE 198011013
(302) 623-3475
fax (302) 623-3080
Additional location
1200 Old York RD
Abington, PA 190013788
(215) 481-2606
Mailing address
1200 Old York RD
Abington, PA 190013788

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
July 22, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Delaware #C2-0024462 · Pennsylvania #OS021920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861951790. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$355
Transactions
10
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Corcept Therapeutics 3 $208.10
Lilly USA, LLC 3 $70.43
Sanofi-Aventis U.S. LLC 1 $23.59
Boehringer Ingelheim Pharmaceuticals, INC. 1 $19.70
Xeris Pharmaceuticals, INC. 1 $17.77
Amphastar Pharmaceuticals, INC. 1 $15.52

By nature of payment

Food and Beverage
$355

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
84
Patients
13
Total drug cost
$49,189
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 27 13 $407
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 17 0 $9,874
Jardiance (Empagliflozin) Brand 14 0 $12,331
Trulicity (Dulaglutide) Brand 14 0 $26,430
Alendronate Sodium Generic 12 0 $147

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Franklin Thelmo's medical specialty?
Dr. Franklin Thelmo practices Endocrinology, Diabetes & Metabolism Physician in Wilmington, DE.
Where does Dr. Franklin Thelmo practice?
Dr. Franklin Thelmo practices at 501 W 14Th St Fl 4, Wilmington, DE 198011013. Office phone: 3026233475.
What is Dr. Franklin Thelmo's NPI?
Dr. Franklin Thelmo's National Provider Identifier (NPI) is 1861951790, issued by NPPES.
Does Dr. Franklin Thelmo accept Medicare assignment?
Yes. Dr. Franklin Thelmo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.