Nelson Thaemert, MD
NPI 1245296417 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelson Thaemert, MD is a Anesthesiology Physician provider in Boston, MA (NPI 1245296417).
Provider details
- NPI number
- 1245296417
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 219936 (MA)
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
171 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 41 | $45 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 23 | $401 |
| Anesthesia for Procedure on Heart and Large Blood Vessels00560 | 19 | $535 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 18 | $196 |
| Anesthesia for Procedure on Chest With 1 Lung Inflated00541 | 17 | $643 |
| Anesthesia for Other Closed Procedure on Chest00520 | 16 | $229 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older) |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2013-06-24
Frequently asked questions
- What is Nelson Thaemert's NPI number?
- Nelson Thaemert's National Provider Identifier (NPI) is 1245296417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Thaemert's specialty?
- Nelson Thaemert is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelson Thaemert located?
- Nelson Thaemert's practice location on file with NPPES is 75 Francis St Cwn L1, Boston, MA 02115.
- What is Nelson Thaemert's phone number?
- The practice phone number listed in the NPPES registry for Nelson Thaemert is (617) 732-8210.
- Does Nelson Thaemert accept Medicare?
- Nelson Thaemert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelson Thaemert's NPI active?
- Yes — Nelson Thaemert's NPI (1245296417) is active in the NPPES registry as of the last update on 2013-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.