Sofia Fischer, M.D.
NPI 1396994547 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sofia Fischer, M.D. is a Anesthesiology Physician provider in Boston, MA (NPI 1396994547).
Provider details
- NPI number
- 1396994547
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 229869 (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
17 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
211 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 Other Procedure on Large Bowel Using an Endoscope00811 | 62 | $75 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 46 | $85 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 38 | $46 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 33 | $92 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 20 | $53 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 12 | $278 |
Typical Medicare-allowed amounts for these services range $46–$278 (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
- 2008-09-11
- Last updated
- 2008-09-11
Frequently asked questions
- What is Sofia Fischer's NPI number?
- Sofia Fischer's National Provider Identifier (NPI) is 1396994547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sofia Fischer's specialty?
- Sofia Fischer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sofia Fischer located?
- Sofia Fischer's practice location on file with NPPES is 88 E Newton St, Boston, MA 02118-2308.
- What is Sofia Fischer's phone number?
- The practice phone number listed in the NPPES registry for Sofia Fischer is (617) 638-6950.
- Does Sofia Fischer accept Medicare?
- Sofia Fischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sofia Fischer's NPI active?
- Yes — Sofia Fischer's NPI (1396994547) is active in the NPPES registry as of the last update on 2008-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.