Fraser Mackay, M.D.
NPI 1629330410 · Emergency Medicine Physician · Burlington, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fraser Mackay, M.D. is a Emergency Medicine Physician provider in Burlington, MA (NPI 1629330410).
Provider details
- NPI number
- 1629330410
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 270652 (MA)
Specialties & taxonomies
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
14 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
431 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 | 199 | $220 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 101 | $182 |
| Critical Care, Each Additional 30 Minutes99292 | 74 | $111 |
| Ultrasound of Heart, Follow-Up93308 | 16 | $26 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 16 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 13 | $81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-08
- Last updated
- 2022-07-21
Frequently asked questions
- What is Fraser Mackay's NPI number?
- Fraser Mackay's National Provider Identifier (NPI) is 1629330410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fraser Mackay's specialty?
- Fraser Mackay is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fraser Mackay located?
- Fraser Mackay's practice location on file with NPPES is Lahey Hospital & Medical Center 41 Mall Rd, Burlington, MA 01805-0001.
- What is Fraser Mackay's phone number?
- The practice phone number listed in the NPPES registry for Fraser Mackay is (781) 744-8100.
- Does Fraser Mackay accept Medicare?
- Fraser Mackay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fraser Mackay's NPI active?
- Yes — Fraser Mackay's NPI (1629330410) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.