Zachary Johnson, MD
NPI 1437719507 · Internal Medicine Physician · Rochester, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Johnson, MD is a Internal Medicine Physician provider in Rochester, MI (NPI 1437719507).
Provider details
- NPI number
- 1437719507
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
345 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 35 Minutes99232 | 148 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 52 | $132 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 49 | $81 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 37 | $9 |
| Critical Care, First 30-74 Minutes99291 | 22 | $205 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 |
Practice location
Mailing address
Additional practice locations (1)
- 1101 W University DrRochester, MI 48307-1863Phone: (248) 601-4805Fax: (248) 601-4908
Registry dates
- Enumerated
- 2019-06-19
- Last updated
- 2022-07-01
- Certified
- 2022-07-01
Frequently asked questions
- What is Zachary Johnson's NPI number?
- Zachary Johnson's National Provider Identifier (NPI) is 1437719507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Johnson's specialty?
- Zachary Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Johnson located?
- Zachary Johnson's practice location on file with NPPES is 1101 W University Dr, Rochester, MI 48307-1863.
- What is Zachary Johnson's phone number?
- The practice phone number listed in the NPPES registry for Zachary Johnson is (248) 601-4805.
- Does Zachary Johnson accept Medicare?
- Zachary Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Johnson's NPI active?
- Yes — Zachary Johnson's NPI (1437719507) is active in the NPPES registry as of the last update on 2022-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.