Mckenzie Johnston, PA-C
NPI 1912396698 · Physician Assistant · Brooklyn, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mckenzie Johnston, PA-C is a Physician Assistant provider in Brooklyn, NY (NPI 1912396698).
Provider details
- NPI number
- 1912396698
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 018334-1 (NY)
Specialties & taxonomies
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
11 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
93 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 93 | $86 |
Typical Medicare-allowed amounts for these services range $86–$86 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 45 | 18 |
| Famotidine | 18 | — |
| Prednisone | 17 | — |
| Valganciclovir Hcl | 16 | 11 |
| Atorvastatin Calcium | 12 | — |
| Gabapentin | 12 | — |
| Acyclovir | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-01-17
- Last updated
- 2015-01-17
Frequently asked questions
- What is Mckenzie Johnston's NPI number?
- Mckenzie Johnston's National Provider Identifier (NPI) is 1912396698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mckenzie Johnston's specialty?
- Mckenzie Johnston is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mckenzie Johnston located?
- Mckenzie Johnston's practice location on file with NPPES is 4802 10th Ave, Brooklyn, NY 11219-2916.
- What is Mckenzie Johnston's phone number?
- The practice phone number listed in the NPPES registry for Mckenzie Johnston is (718) 283-7957.
- Does Mckenzie Johnston accept Medicare?
- Mckenzie Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mckenzie Johnston's NPI active?
- Yes — Mckenzie Johnston's NPI (1912396698) is active in the NPPES registry as of the last update on 2015-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.