Mackenzie Case, MPAS, PA-C
NPI 1669105961 · Physician Assistant · Boston, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Case, MPAS, PA-C is a Physician Assistant provider in Boston, MA (NPI 1669105961).
Provider details
- NPI number
- 1669105961
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MPAS, PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA15889 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 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
423 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $74 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 73 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $136 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 31 | $34 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 47 | 47 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 46 | 46 |
| Prednisone | 40 | 40 |
| Methylprednisolone | 27 | 27 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 25 | 25 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 18 | 18 |
| Doxycycline Hyclate | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-07-05
- Last updated
- 2025-05-07
- Certified
- 2025-05-07
Frequently asked questions
- What is Mackenzie Case's NPI number?
- Mackenzie Case's National Provider Identifier (NPI) is 1669105961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Case's specialty?
- Mackenzie Case is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mackenzie Case located?
- Mackenzie Case's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Mackenzie Case's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Case is (617) 355-6000.
- Does Mackenzie Case accept Medicare?
- Mackenzie Case is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Case's NPI active?
- Yes — Mackenzie Case's NPI (1669105961) is active in the NPPES registry as of the last update on 2025-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.