Quick answers
- Where does James E. Tazelaar see patients?
- Medicare's clinician data lists 2 practice locations, including Worcester, MA. Call before your visit to confirm the address.
- What is James E. Tazelaar's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does James E. Tazelaar accept Medicare assignment?
- Yes. Medicare's clinician data says James E. Tazelaar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James E. Tazelaar?
- (508) 334-1000, as listed in official Medicare / NPI Registry data.
- What is James E. Tazelaar's NPI number?
- 1649452806. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where James E. Tazelaar is enrolled with Medicare (CMS data updated 2026-10-02).
- 281 Lincoln StWorcester, MA 01605 (508) 334‑1000
- 55 Lake Ave NWorcester, MA 01655 (508) 334‑1000
Group practices
Medicare enrollment lists James E. Tazelaar as a member of this group (CMS data updated 2026-10-02).
- UMass Memorial Medical Group Inc2,516 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →
Other nurse anesthetists in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649452806 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians