Steven Gannon, M.D.
NPI 1265877195 · Critical Care Medicine (Internal Medicine) Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Gannon, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Indianapolis, IN (NPI 1265877195).
Provider details
- NPI number
- 1265877195
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R1753 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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 tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
435 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 211 | $177 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 193 | $108 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 18 | $72 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 13 | $76 |
Typical Medicare-allowed amounts for these services range $72–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 300 University BlvdRound Rock, TX 78665-1032Phone: (512) 509-0100Fax: (512) 218-6330
Registry dates
- Enumerated
- 2013-05-06
- Last updated
- 2024-03-27
- Certified
- 2024-03-27
Frequently asked questions
- What is Steven Gannon's NPI number?
- Steven Gannon's National Provider Identifier (NPI) is 1265877195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Gannon's specialty?
- Steven Gannon is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Gannon located?
- Steven Gannon's practice location on file with NPPES is 8333 Naab Rd Ste 250, Indianapolis, IN 46260-1983.
- What is Steven Gannon's phone number?
- The practice phone number listed in the NPPES registry for Steven Gannon is (317) 338-5100.
- Does Steven Gannon accept Medicare?
- Steven Gannon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Gannon's NPI active?
- Yes — Steven Gannon's NPI (1265877195) is active in the NPPES registry as of the last update on 2024-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.