DR. INGRID HOLLINGER M.D.
NPI 1356324743
Anesthesiology in New Canaan, CT
About Dr. Ingrid Hollinger M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. INGRID HOLLINGER M.D. (NPI 1356324743) is an individual anesthesiology provider in New Canaan, Connecticut, licensed in New York (112125-1) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Ingrid Hollinger M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ingrid Hollinger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 1,067 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.
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 Ingrid Hollinger's NPI number?
The NPI number for Ingrid Hollinger is 1356324743. It was assigned to this individual provider in the NPPES registry on November 21, 2005.
Where is Ingrid Hollinger located?
Ingrid Hollinger practices at 66 Skyview Ln, New Canaan, CT 06840. The listed phone number is (203) 966-8763.
What is Ingrid Hollinger's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ingrid Hollinger enrolled in Medicare?
Yes. Ingrid Hollinger is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ingrid Hollinger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ingrid Hollinger reassigns Medicare benefits to Fpa Hospital Based (New York, NY). The 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 Ingrid Hollinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ingrid Hollinger was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Ingrid Hollinger, M.D. · NPI 1356324743
Anesthesiology physician in New Canaan, Connecticut. Individual provider, active in the CMS NPPES registry since November 21, 2005.
## Identity
- **NPI:** 1356324743 (Entity type: Individual)
- **Enumerated:** November 21, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 112125-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 66 SKYVIEW LN, New Canaan, CT 06840-6031
- **Phone:** (203) 966-8763
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Fpa Hospital Based (NPI 1841531795, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1356324743) · Data from the CMS NPPES public registry.