DR. ANDREW THOMAS GERSTNER M.D.
NPI 1629413232
Anesthesiology in Franklin, WI
About Dr. Andrew Thomas Gerstner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW THOMAS GERSTNER M.D. (NPI 1629413232) is an individual anesthesiology provider in Franklin, Wisconsin, licensed in Indiana (01087667A) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Andrew Thomas Gerstner 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
6Medicare enrollment records show Andrew Gerstner reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint John, IN 46373
- Reassigned Medicare billing, Indiana enrollment
- 97 clinicians in this Medicare group
Merrillville, IN 46410
- Reassigned Medicare billing, Indiana enrollment
- 19 clinicians in this Medicare group
La Porte, IN 46350
- Reassigned Medicare billing, Indiana enrollment
- 141 clinicians in this Medicare group
South Bend, IN 46617
- Reassigned Medicare billing, Indiana enrollment
- 211 clinicians in this Medicare group
Pensacola, FL 32502
- Reassigned Medicare billing, Indiana enrollment
- 57 clinicians in this Medicare group
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 271 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 2
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.
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.
FRANKLIN, WI 53132
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 Andrew Gerstner's NPI number?
The NPI number for Andrew Gerstner is 1629413232. It was assigned to this individual provider in the NPPES registry on May 8, 2013.
Where is Andrew Gerstner located?
Andrew Gerstner practices at 10101 S 27th St, Franklin, WI 53132. The listed phone number is (414) 325-4700.
What is Andrew Gerstner's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Andrew Gerstner enrolled in Medicare?
Yes. Andrew Gerstner 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 Andrew Gerstner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Gerstner reassigns Medicare benefits to 6 organizations: Stat Anesthesia Specialists Ltd (Saint John, IN), Bindal Anesthesiologists, Ltd (Merrillville, IN), Jebs Anesthesia Consultants, LLC (La Porte, IN), The South Bend Clinic LLC (South Bend, IN), Ams Northern Indiana LLC (Pensacola, FL) and 1 more organization, listed in the Medicare section above. 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 Andrew Gerstner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Gerstner accept?
Health plans from CareSource list Andrew Gerstner 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.
When was this NPI record last updated?
The NPPES record for Andrew Gerstner was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Andrew Thomas Gerstner, M.D. · NPI 1629413232
Anesthesiology physician in Franklin, Wisconsin. Individual provider, active in the CMS NPPES registry since May 8, 2013.
## Identity
- **NPI:** 1629413232 (Entity type: Individual)
- **Enumerated:** May 8, 2013
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 01087667A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 10101 S 27TH ST, Franklin, WI 53132-7209
- **Phone:** (414) 325-4700
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Stat Anesthesia Specialists Ltd (NPI 1699724781, Saint John, IN); Bindal Anesthesiologists, Ltd (NPI 1538115407, Merrillville, IN); Jebs Anesthesia Consultants, LLC (NPI 1790447761, La Porte, IN); The South Bend Clinic LLC (NPI 1073680419, South Bend, IN); Ams Northern Indiana LLC (NPI 1427619840, Pensacola, FL); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** October 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1629413232) · Data from the CMS NPPES public registry.