MICHELLE L NEFF M.D.
NPI 1386692028
Obstetrics & Gynecology in Carmel, IN
About Michelle L Neff M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE L NEFF M.D. (NPI 1386692028) is an individual obstetrics & gynecology provider in Carmel, Indiana, licensed in Indiana (01061974A) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Carmel, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
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
Michelle L Neff M.d. 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
3Medicare enrollment records show Michelle Neff reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carmel, IN 46032
- Reassigned Medicare billing, Indiana enrollment
- 945 clinicians in this Medicare group
Carmel, IN 46032
- Reassigned Medicare billing, Indiana enrollment
- 135 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 510 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent Carmel
Acute Care Hospitals · Carmel, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michelle Neff's NPI number?
The NPI number for Michelle Neff is 1386692028. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Michelle Neff located?
Michelle Neff practices at 13500 N Meridian St, Carmel, IN 46032. The listed phone number is (317) 582-7000.
What is Michelle Neff's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Michelle Neff enrolled in Medicare?
Yes. Michelle Neff 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 Michelle Neff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Neff reassigns Medicare benefits to 3 organizations: St. Vincent Medical Group, Inc. (Carmel, IN), Seven Hills Ob-Gyn Associates LLC (Carmel, IN) and St Vincent Physician Services Hospital And Health Care Center (Indianapolis, IN). 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 Michelle Neff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle Neff accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Michelle Neff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michelle Neff affiliated with any hospitals?
According to CMS data, Michelle Neff is affiliated with Ascension St Vincent Carmel.
When was this NPI record last updated?
The NPPES record for Michelle Neff was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Michelle L Neff, M.D. · NPI 1386692028
Obstetrics & Gynecology physician in Carmel, Indiana. Individual provider, active in the CMS NPPES registry since May 5, 2006.
## Identity
- **NPI:** 1386692028 (Entity type: Individual)
- **Enumerated:** May 5, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 01061974A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 13500 N MERIDIAN ST, Carmel, IN 46032-1456
- **Phone:** (317) 582-7000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): St. Vincent Medical Group, Inc. (NPI 1033999370, Carmel, IN); Seven Hills Ob-Gyn Associates LLC (NPI 1396350187, Carmel, IN); St Vincent Physician Services Hospital And Health Care Center (NPI 1669422234, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** August 20, 2026
- **Other identifiers:** Medicaid 200829590 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1386692028) · Data from the CMS NPPES public registry.