MRS. GRETCHEN M. GAUS CRNA
NPI 1336132109
Nurse Anesthetist, Certified Registered in Chambersburg, PA
About Mrs. Gretchen M. Gaus Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. GRETCHEN M. GAUS CRNA (NPI 1336132109) is an individual nurse anesthetist, certified registered in Chambersburg, Pennsylvania, licensed in Pennsylvania (RN 264697L) and active in the NPI registry since August 2005. She is affiliated with Allegheny Valley Hospital, maintains a secondary practice location in Natrona Heights, and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 9
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
Mrs. Gretchen M. Gaus Crna 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
10Medicare enrollment records show Gretchen Gaus reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chambersburg, PA 17201
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 clinicians in this Medicare group
Roaring Spring, PA 16673
- Reassigned Medicare billing, Pennsylvania enrollment
- 104 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- 267 clinicians in this Medicare group
Ligonier, PA 15658
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 clinicians in this Medicare group
West Chester, PA 19380
- Reassigned Medicare billing, Pennsylvania enrollment
- 25 clinicians in this Medicare group
Allentown, PA 18104
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Lehigh Anesthesia Associates PC
- 102 clinicians in this Medicare group
Bethlehem, PA 18020
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Professional Anesthesia Services Of North America PC
- 177 clinicians in this Medicare group
Forty Fort, PA 18704
- Reassigned Medicare billing, Pennsylvania enrollment
- 25 clinicians in this Medicare group
Troy, PA 16947
- Reassigned Medicare billing, Pennsylvania enrollment
- 76 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, Pennsylvania enrollment
- 928 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allegheny Valley Hospital
Acute Care Hospitals · Natrona, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17201 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHAMBERSBURG, PA 17201
CHAMBERSBURG, PA 17201
CHAMBERSBURG, PA 17201
CHAMBERSBURG, PA 17201
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 Gretchen Gaus's NPI number?
The NPI number for Gretchen Gaus is 1336132109. It was assigned to this individual provider in the NPPES registry on August 26, 2005.
Where is Gretchen Gaus located?
Gretchen Gaus practices at 112 North Seventh Street, Chambersburg, PA 17201. The listed phone number is (717) 267-3000.
What is Gretchen Gaus's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Gretchen Gaus enrolled in Medicare?
Yes. Gretchen Gaus 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 Gretchen Gaus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Gaus reassigns Medicare benefits to 10 organizations: Wellspan Medical Group (Chambersburg, PA), Grove City Anesthesia & Pain Management, PLLC (Roaring Spring, PA), Rgal Anesthesia Services LLC (Lancaster, PA), Allegheny Clinic (Ligonier, PA), Wcs Sedation, LLC (West Chester, PA) and 5 more organizations, 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 Gretchen Gaus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gretchen Gaus affiliated with any hospitals?
According to CMS data, Gretchen Gaus is affiliated with Allegheny Valley Hospital.
When was this NPI record last updated?
The NPPES record for Gretchen Gaus was last updated on March 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mrs. Gretchen M. Gaus, CRNA · NPI 1336132109
Nurse Anesthetist, Certified Registered physician in Chambersburg, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 26, 2005.
## Identity
- **NPI:** 1336132109 (Entity type: Individual)
- **Enumerated:** August 26, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN 264697L (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 112 NORTH SEVENTH STREET, Chambersburg, PA 17201-1720
- **Phone:** (717) 267-3000 · **Fax:** (717) 217-4217
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Wellspan Medical Group (NPI 1386429702, Chambersburg, PA); Grove City Anesthesia & Pain Management, PLLC (NPI 1528371556, Roaring Spring, PA); Rgal Anesthesia Services LLC (NPI 1699055251, Lancaster, PA); Allegheny Clinic (NPI 1063946291, Ligonier, PA); Wcs Sedation, LLC (NPI 1164925558, West Chester, PA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1987
## Record status
- **NPPES last updated:** March 6, 2026
- **Other identifiers:** Other 253403 (PA); Medicaid 100894308 0001 (PA); Other RN264697L (PA); and 6 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1336132109) · Data from the CMS NPPES public registry.