ROBERT R GAISER MD
NPI 1063455376
Anesthesiology in New Haven, CT
About Robert R Gaiser Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT R GAISER MD (NPI 1063455376) is an individual anesthesiology provider in New Haven, Connecticut, licensed in Connecticut (66698) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lexington, and is a graduate of Columbia University College Of Physicians And Surgeons (1988).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Robert R Gaiser Md 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 Robert Gaiser reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Doylestown, PA 18901
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 clinicians in this Medicare group
New Castle, DE 19720
- Reassigned Medicare billing, Delaware enrollment
- 348 clinicians in this Medicare group
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- 1,502 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Robert Gaiser's NPI number?
The NPI number for Robert Gaiser is 1063455376. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is Robert Gaiser located?
Robert Gaiser practices at 333 Cedar St # Tm3, New Haven, CT 06510. The listed phone number is (203) 469-4247.
What is Robert Gaiser's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Robert Gaiser enrolled in Medicare?
Yes. Robert Gaiser 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 Robert Gaiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Gaiser reassigns Medicare benefits to 4 organizations: Yale University (New Haven, CT), University Of Penn - Medical Group (Doylestown, PA), Anesthesia Services PA (New Castle, DE) and Kentucky Medical Services Foundation, Inc (Lexington, KY). 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 Robert Gaiser'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 Robert Gaiser was last updated on September 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Robert R Gaiser, MD · NPI 1063455376
Anesthesiology physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since June 14, 2006.
## Identity
- **NPI:** 1063455376 (Entity type: Individual)
- **Enumerated:** June 14, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 66698 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 CEDAR ST # TM3, New Haven, CT 06510-3206
- **Phone:** (203) 469-4247
## 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): Yale University (NPI 1124148887, New Haven, CT); University Of Penn - Medical Group (NPI 1538056163, Doylestown, PA); Anesthesia Services PA (NPI 1053366377, New Castle, DE); Kentucky Medical Services Foundation, Inc (NPI 1326091448, Lexington, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1988
## Record status
- **NPPES last updated:** September 16, 2020
- **Other identifiers:** Medicaid 0013916970001 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1063455376) · Data from the CMS NPPES public registry.