Matthew Grunert, MD
NPI 1083856066 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Grunert, MD is a Anesthesiology Physician provider in Boston, MA (NPI 1083856066).
Provider details
- NPI number
- 1083856066
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
291 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 78 | $217 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 39 | $128 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 36 | $132 |
| Anesthesia for Other Closed Procedure on Chest00520 | 28 | $174 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 25 | $140 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 19 | $45 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-06
- Last updated
- 2014-06-20
Frequently asked questions
- What is Matthew Grunert's NPI number?
- Matthew Grunert's National Provider Identifier (NPI) is 1083856066, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Grunert's specialty?
- Matthew Grunert is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Grunert located?
- Matthew Grunert's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Matthew Grunert's phone number?
- The practice phone number listed in the NPPES registry for Matthew Grunert is (617) 732-8210.
- Does Matthew Grunert accept Medicare?
- Matthew Grunert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Grunert's NPI active?
- Yes — Matthew Grunert's NPI (1083856066) is active in the NPPES registry as of the last update on 2014-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.