Mark Hershey, MD
NPI 1396776878 · Anesthesiology Physician · Newton, MA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hershey, MD is a Anesthesiology Physician provider in Newton, MA (NPI 1396776878).
Provider details
- NPI number
- 1396776878
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD23627 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
102 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 Procedure for Total Knee Joint Replacement01402 | 22 | $245 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 17 | $65 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 15 | $124 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 13 | $132 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, and Tissue of Forearm, Wrist, and Hand01810 | 13 | $98 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 11 | $170 |
Practice location
Mailing address
Additional practice locations (1)
- 123 Medical Center DrBrunswick, ME 04011-2652Phone: (207) 373-6000
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2025-04-28
- Certified
- 2025-04-28
Frequently asked questions
- What is Mark Hershey's NPI number?
- Mark Hershey's National Provider Identifier (NPI) is 1396776878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hershey's specialty?
- Mark Hershey is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hershey located?
- Mark Hershey's practice location on file with NPPES is 2014 Washington St, Newton, MA 02462.
- What is Mark Hershey's phone number?
- The practice phone number listed in the NPPES registry for Mark Hershey is (617) 243-6298.
- Does Mark Hershey accept Medicare?
- Mark Hershey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hershey's NPI active?
- Yes — Mark Hershey's NPI (1396776878) is active in the NPPES registry as of the last update on 2025-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.