Mackenzie Brigham, MD
NPI 1679033955 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Brigham, MD is a Psychiatry Physician provider in Boston, MA (NPI 1679033955).
Provider details
- NPI number
- 1679033955
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1016429 (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
7 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
193 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 99 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 46 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $188 |
Typical Medicare-allowed amounts for these services range $17–$188 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 48 | 12 |
| Bupropion Hclbrand: Bupropion Xl | 39 | — |
| Quetiapine Fumarate | 36 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 31 | — |
| Risperidone | 28 | — |
| Trazodone Hcl | 21 | — |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-22
- Last updated
- 2023-07-27
- Certified
- 2023-07-27
Frequently asked questions
- What is Mackenzie Brigham's NPI number?
- Mackenzie Brigham's National Provider Identifier (NPI) is 1679033955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Brigham's specialty?
- Mackenzie Brigham is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mackenzie Brigham located?
- Mackenzie Brigham's practice location on file with NPPES is 330 Brookline Ave # Rabb-2, Boston, MA 02215-5400.
- What is Mackenzie Brigham's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Brigham is (617) 667-1029.
- Does Mackenzie Brigham accept Medicare?
- Mackenzie Brigham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Brigham's NPI active?
- Yes — Mackenzie Brigham's NPI (1679033955) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.