Franklin Llerena Thelmo, DO
Endocrinology, Diabetes & Metabolism Physician · Wilmington, DE
Franklin Llerena Thelmo, DO is an endocrinology, diabetes & metabolism physician with a practice address in Wilmington, Delaware, and NPI 1861951790, issued on Mar 19, 2019. Check the license (Delaware C2-0024462, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Franklin Llerena Thelmo
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- C2-0024462 DE
OS021920 PA
Self-reported in NPPES; status is on the state search - Practice location
- 501 W 14TH St FL 4, Wilmington, DE 19801
- Phone
- (302) 623-3475
- Enumerated
- Mar 19, 2019
- Record last updated
- Jul 22, 2024
- Fax
- (302) 623-3080
- Medicare enrollment
- Enrolled (PECOS I20240724002019); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 31 in Delaware → Look up another NPI →
Also registered at 501 W 14TH St FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Colleen Caulfield, MS, RDRegistered Dietitian1619663614
- Casie Hartman, RDRegistered Dietitian1003625948
- Amanda McKenna, MDEndocrinology, Diabetes & Metabolism Physician1295239077
- Gabrielle Mitchell, MS, RD, LDNRegistered Dietitian1487411401
- Linda Simmons, CRNPFamily Nurse Practitioner1497087902
Verify Franklin Llerena Thelmo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C2-0024462Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
530 Medicare Part D claims for 151 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Levothyroxine Sodium46 claims
- Ultra-Fine Mini Pen Needle37 claims
- Ozempic34 claims
- Lantus Solostar32 claims
- Trulicity23 claims
- Mounjaro20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $355.11
10 payments; by number, the most common kind was food and beverage; the largest payer was Corcept Therapeutics. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Christiana Care Health Services IncNewark, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Franklin Llerena Thelmo among 31 endocrinology, diabetes & metabolism physician records in Delaware
Franklin Llerena Thelmo, DO is one of 31 endocrinology, diabetes & metabolism physician records with a practice address in Delaware. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 6% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2019 · median 2010 among the 24 with a school on file
- Record last updated2024 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Delaware
There are 31 endocrinology, diabetes & metabolism physician records in Delaware.
All 31 in Delaware → Every provider in Wilmington → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Amanda McKenna, MDWilmington, DE 198011295239077
- Suzanne Clough, MDWilmington, DE 198031972779221
- Amy Wachter, M.D.Wilmington, DE 198051679747323
- Ronald Monsaert, MDWilmington, DE 198071245201953
- Prakash Seshadri, MDWilmington, DE 198071134144330
- William Jaffee, MDWilmington, DE 198081629081682
- Kalleen Barham, MDNewark, DE 197131649485053
- Sheetal Bulchandani, MDNewark, DE 197131447746185
Common questions
What is Franklin Llerena Thelmo, DO's NPI number?
Franklin Llerena Thelmo, DO's National Provider Identifier (NPI) is 1861951790, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Franklin Llerena Thelmo, DO located?
The NPPES record lists a practice address at 501 W 14TH St FL 4, Wilmington, DE, 19801. Phone: (302) 623-3475. Providers update this record themselves, so call before visiting.
How can I verify Franklin Llerena Thelmo, DO's license?
NPPES lists Delaware license number C2-0024462, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Franklin Llerena Thelmo, DO prescribe under Medicare Part D?
In 2024, Franklin Llerena Thelmo, DO had 530 Medicare Part D claims for 151 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.