MARK P HAMLIN M.D.
NPI 1982643870
Anesthesiology in Burlington, VT
About Mark P Hamlin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK P HAMLIN M.D. (NPI 1982643870) is an individual anesthesiology provider in Burlington, Vermont, licensed in Vermont (042-0009858) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Univ. Of Vermont - Fletcher Allen Health Care, and is a graduate of University Of Vermont College Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark P Hamlin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mark Hamlin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlington, VT 05401
- Reassigned Medicare billing, Vermont enrollment
- 1,643 clinicians in this Medicare group
Van Wert, OH 45891
- Reassigned Medicare billing, Vermont enrollment
- 17 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Univ. Of Vermont - Fletcher Allen Health Care
Acute Care Hospitals · Burlington, VTNorthwestern Medical Center Inc
Acute Care Hospitals · Saint Albans, VTOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
BURLINGTON, VT 05401
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 Mark Hamlin's NPI number?
The NPI number for Mark Hamlin is 1982643870. It was assigned to this individual provider in the NPPES registry on June 6, 2006.
Where is Mark Hamlin located?
Mark Hamlin practices at 111 Colchester Ave Fahc-Wp2, Burlington, VT 05401. The listed phone number is (802) 847-2415.
What is Mark Hamlin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Hamlin enrolled in Medicare?
Yes. Mark Hamlin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Hamlin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hamlin reassigns Medicare benefits to 2 organizations: University Of Vermont Medical Center Inc (Burlington, VT) and Clinical Colleagues LLC (Van Wert, OH). 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 Mark Hamlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Hamlin accept?
Health plans from Anthem Blue Cross and Blue Shield list Mark Hamlin 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 Mark Hamlin affiliated with any hospitals?
According to CMS data, Mark Hamlin is affiliated with Univ. Of Vermont - Fletcher Allen Health Care and Northwestern Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Mark Hamlin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mark P Hamlin, M.D. · NPI 1982643870
Anesthesiology physician in Burlington, Vermont. Individual provider, active in the CMS NPPES registry since June 6, 2006.
## Identity
- **NPI:** 1982643870 (Entity type: Individual)
- **Enumerated:** June 6, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 042-0009858 (Vermont)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 COLCHESTER AVE, FAHC-WP2, Burlington, VT 05401-1473
- **Phone:** (802) 847-2415 · **Fax:** (802) 847-5324
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Vermont Medical Center Inc (NPI 1659309615, Burlington, VT); Clinical Colleagues LLC (NPI 1992725766, Van Wert, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 1995
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 0VN2045 (VT); Medicaid 01985804 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1982643870) · Data from the CMS NPPES public registry.