Mark Geraci, MD
NPI 1528158201 · Pulmonary Disease Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Geraci, MD is a Pulmonary Disease Physician provider in Indianapolis, IN (NPI 1528158201).
Provider details
- NPI number
- 1528158201
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30744 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 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
- 2006-10-13
- Last updated
- 2015-08-26
Frequently asked questions
- What is Mark Geraci's NPI number?
- Mark Geraci's National Provider Identifier (NPI) is 1528158201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Geraci's specialty?
- Mark Geraci is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Geraci located?
- Mark Geraci's practice location on file with NPPES is 550 University Blvd, Indianapolis, IN 46202-5149.
- What is Mark Geraci's phone number?
- The practice phone number listed in the NPPES registry for Mark Geraci is (317) 994-5000.
- Does Mark Geraci accept Medicare?
- Mark Geraci is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Geraci's NPI active?
- Yes — Mark Geraci's NPI (1528158201) is active in the NPPES registry as of the last update on 2015-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.