Thomas Halaszynski, MD
NPI 1679554984 · Anesthesiology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Halaszynski, MD is a Anesthesiology Physician provider in New Haven, CT (NPI 1679554984).
Provider details
- NPI number
- 1679554984
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036445 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
282 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 190 | $53 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 35 | $54 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 18 | $169 |
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body00400 | 15 | $65 |
| Anesthesia for Fragmenting, Manipulation And/Or Removal of Kidney Stone Including Use of an Endoscope00918 | 13 | $86 |
| Anesthesia for Access to Central Vein00532 | 11 | $82 |
Typical Medicare-allowed amounts for these services range $53–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-14
- Last updated
- 2008-07-07
Frequently asked questions
- What is Thomas Halaszynski's NPI number?
- Thomas Halaszynski's National Provider Identifier (NPI) is 1679554984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Halaszynski's specialty?
- Thomas Halaszynski is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Halaszynski located?
- Thomas Halaszynski's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Thomas Halaszynski's phone number?
- The practice phone number listed in the NPPES registry for Thomas Halaszynski is (203) 785-2802.
- Does Thomas Halaszynski accept Medicare?
- Thomas Halaszynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Halaszynski's NPI active?
- Yes — Thomas Halaszynski's NPI (1679554984) is active in the NPPES registry as of the last update on 2008-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.