DR. STEPHEN RUSSELL HARRISON DO
NPI 1275644361
Family Medicine in Indianapolis, IN
About Dr. Stephen Russell Harrison Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN RUSSELL HARRISON DO (NPI 1275644361) is an individual family medicine provider in Indianapolis, Indiana, licensed in Indiana (02004122A) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Hospital, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2002).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephen Russell Harrison Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Stephen Harrison reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46254
- Reassigned Medicare billing, Indiana enrollment
- 42 clinicians in this Medicare group
Indianapolis, IN 46204
- Reassigned Medicare billing, Indiana enrollment
- 210 clinicians in this Medicare group
Merrillville, IN 46410
- Reassigned Medicare billing, Indiana enrollment
- 233 clinicians in this Medicare group
Hilliard, OH 43026
- Reassigned Medicare billing, Indiana enrollment
- 150 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent Hospital
Acute Care Hospitals · Indianapolis, INWitham Health Services
Acute Care Hospitals · Lebanon, INAscension St Vincent Carmel
Acute Care Hospitals · Carmel, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46278 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
INDIANAPOLIS, IN 46278
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Harrison's NPI number?
The NPI number for Stephen Harrison is 1275644361. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Stephen Harrison located?
Stephen Harrison practices at 6640 Intech Blvd Ste 270, Indianapolis, IN 46278. The listed phone number is (317) 885-4200.
What is Stephen Harrison's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Stephen Harrison enrolled in Medicare?
Yes. Stephen Harrison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephen Harrison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Harrison reassigns Medicare benefits to 4 organizations: Centerwell Senior Primary Care In PC (Indianapolis, IN), Eventus Ecs, Inc (Indianapolis, IN), Extended Care Specialists, Inc (Merrillville, IN) and Eventus Ecs - Ohio LLC (Hilliard, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Harrison affiliated with any hospitals?
According to CMS data, Stephen Harrison is affiliated with Ascension St Vincent Hospital, Witham Health Services and Ascension St Vincent Carmel.
When was this NPI record last updated?
The NPPES record for Stephen Harrison was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Stephen Russell Harrison, DO · NPI 1275644361
Family Medicine physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1275644361 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 02004122A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 6640 INTECH BLVD STE 270, Indianapolis, IN 46278-2054
- **Phone:** (317) 885-4200 · **Fax:** (224) 532-2780
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Centerwell Senior Primary Care In PC (NPI 1528768611, Indianapolis, IN); Eventus Ecs, Inc (NPI 1073353496, Indianapolis, IN); Extended Care Specialists, Inc (NPI 1134146079, Merrillville, IN); Eventus Ecs - Ohio LLC (NPI 1972321842, Hilliard, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** At Still University Of Health Sciences, College Of Osteo Med, Kirksville, class of 2002
## Record status
- **NPPES last updated:** October 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275644361) · Data from the CMS NPPES public registry.