Mark Gresla, M.D.
NPI 1467482034 · Family Medicine Physician · Decatur, IN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gresla, M.D. is a Family Medicine Physician provider in Decatur, IN (NPI 1467482034).
Provider details
- NPI number
- 1467482034
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01034460A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 199 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 693 | 108 |
| Levothyroxine Sodium | 561 | 86 |
| Gabapentin | 550 | 77 |
| Furosemide | 469 | 79 |
| Tamsulosin Hcl | 413 | 52 |
| Apixabanbrand: Eliquis | 367 | 56 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$98 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2025-10-15
- Certified
- 2025-10-15
Frequently asked questions
- What is Mark Gresla's NPI number?
- Mark Gresla's National Provider Identifier (NPI) is 1467482034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gresla's specialty?
- Mark Gresla is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gresla located?
- Mark Gresla's practice location on file with NPPES is 1100 Mercer Ave, Decatur, IN 46733-2303.
- What is Mark Gresla's phone number?
- The practice phone number listed in the NPPES registry for Mark Gresla is (260) 724-2145.
- Does Mark Gresla accept Medicare?
- Mark Gresla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gresla's NPI active?
- Yes — Mark Gresla's NPI (1467482034) is active in the NPPES registry as of the last update on 2025-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.