Mark Thoma, M.D.
NPI 1821259987 · Pediatrics Physician · Delaware, OH
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Thoma, M.D. is a Pediatrics Physician provider in Delaware, OH (NPI 1821259987).
Provider details
- NPI number
- 1821259987
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35.091505 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-21
- Last updated
- 2022-01-05
Frequently asked questions
- What is Mark Thoma's NPI number?
- Mark Thoma's National Provider Identifier (NPI) is 1821259987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Thoma's specialty?
- Mark Thoma is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Thoma located?
- Mark Thoma's practice location on file with NPPES is 551 W Central Ave, Delaware, OH 43015-1493.
- What is Mark Thoma's phone number?
- The practice phone number listed in the NPPES registry for Mark Thoma is (740) 615-0300.
- Does Mark Thoma accept Medicare?
- Mark Thoma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Thoma's NPI active?
- Yes — Mark Thoma's NPI (1821259987) is active in the NPPES registry as of the last update on 2022-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.