STEPHAN HATCH M.D.
NPI 1144277609
Anesthesiology in New London, CT
About Stephan Hatch M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHAN HATCH M.D. (NPI 1144277609) is an individual anesthesiology provider in New London, Connecticut, licensed in Massachusetts (234074) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Southern Nh Medical Center, 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
Stephan Hatch 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
4Medicare enrollment records show Stephan Hatch reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Patchogue, NY 11772
- Reassigned Medicare billing, New Hampshire enrollment
- 145 clinicians in this Medicare group
Waltham, MA 02451
- Reassigned Medicare billing, Massachusetts and New York enrollments
- 90 clinicians in this Medicare group
Peabody, MA 01960
- Reassigned Medicare billing, Massachusetts enrollment
- 14 clinicians in this Medicare group
Danvers, MA 01923
- Reassigned Medicare billing, Massachusetts enrollment
- 44 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 7
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.
Southern Nh Medical Center
Acute Care Hospitals · Nashua, NHMedicare 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.
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.
NEW LONDON, CT 06320
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 Stephan Hatch's NPI number?
The NPI number for Stephan Hatch is 1144277609. It was assigned to this individual provider in the NPPES registry on May 30, 2006.
Where is Stephan Hatch located?
Stephan Hatch practices at 365 Montauk Ave Anesthesia Department, New London, CT 06320. The listed phone number is (860) 442-0711.
What is Stephan Hatch's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Stephan Hatch enrolled in Medicare?
Yes. Stephan Hatch 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 Stephan Hatch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephan Hatch reassigns Medicare benefits to 4 organizations: Hospitalist Medicine Physicians Of New York - Patchogue PC (Patchogue, NY), Jjm Medical Services, PC (Waltham, MA), North Shore Ambulatory Anesthesia Partners LLC (Peabody, MA) and Beverly Anesthesia Associates, Inc. (Danvers, MA). 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 Stephan Hatch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephan Hatch accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Stephan Hatch 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 Stephan Hatch affiliated with any hospitals?
According to CMS data, Stephan Hatch is affiliated with Southern Nh Medical Center.
When was this NPI record last updated?
The NPPES record for Stephan Hatch was last updated on July 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Stephan Hatch, M.D. · NPI 1144277609
Anesthesiology physician in New London, Connecticut. Individual provider, active in the CMS NPPES registry since May 30, 2006.
## Identity
- **NPI:** 1144277609 (Entity type: Individual)
- **Enumerated:** May 30, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 234074 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 365 MONTAUK AVE, ANESTHESIA DEPARTMENT, New London, CT 06320
- **Phone:** (860) 442-0711 · **Fax:** (860) 443-4458
## 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): Hospitalist Medicine Physicians Of New York - Patchogue PC (NPI 1366920993, Patchogue, NY); Jjm Medical Services, PC (NPI 1952548265, Waltham, MA); North Shore Ambulatory Anesthesia Partners LLC (NPI 1821535378, Peabody, MA); Beverly Anesthesia Associates, Inc. (NPI 1427041268, Danvers, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2001
## Record status
- **NPPES last updated:** July 23, 2018
- **Other identifiers:** Medicaid 1144277609 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1144277609) · Data from the CMS NPPES public registry.