Thomas Demarco, MD
NPI 1093825846 · Gastroenterology Physician · Smyrna, GA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Demarco, MD is a Gastroenterology Physician provider in Smyrna, GA (NPI 1093825846).
Provider details
- NPI number
- 1093825846
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 32718 (GA)
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
19 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 196 | 31 |
| Atorvastatin Calcium | 149 | 29 |
| Losartan Potassium | 128 | 21 |
| Amlodipine Besylate | 115 | 23 |
| Tamsulosin Hcl | 106 | 22 |
| Metoprolol Succinate | 88 | 17 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2019-04-09
Frequently asked questions
- What is Thomas Demarco's NPI number?
- Thomas Demarco's National Provider Identifier (NPI) is 1093825846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Demarco's specialty?
- Thomas Demarco is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Demarco located?
- Thomas Demarco's practice location on file with NPPES is 3969 S Cobb Dr Se Ste 202, Smyrna, GA 30080-6317.
- What is Thomas Demarco's phone number?
- The practice phone number listed in the NPPES registry for Thomas Demarco is (770) 432-5326.
- Does Thomas Demarco accept Medicare?
- Thomas Demarco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Demarco's NPI active?
- Yes — Thomas Demarco's NPI (1093825846) is active in the NPPES registry as of the last update on 2019-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.