Mary Long, M.D.
NPI 1659311199 · Anesthesiology Physician · Newton, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Long, M.D. is a Anesthesiology Physician provider in Newton, MA (NPI 1659311199).
Provider details
- NPI number
- 1659311199
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 56375 (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
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 | 65 | $137 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 44 | $135 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 29 | $168 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 21 | $118 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 14 | $185 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 14 | $65 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2022-03-09
- Certified
- 2022-03-09
Frequently asked questions
- What is Mary Long's NPI number?
- Mary Long's National Provider Identifier (NPI) is 1659311199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Long's specialty?
- Mary Long is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Long located?
- Mary Long's practice location on file with NPPES is 2014 Washington St, Newton, MA 02462-1607.
- What is Mary Long's phone number?
- The practice phone number listed in the NPPES registry for Mary Long is (617) 243-6298.
- Does Mary Long accept Medicare?
- Mary Long is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Long's NPI active?
- Yes — Mary Long's NPI (1659311199) is active in the NPPES registry as of the last update on 2022-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.