Zachary Mellerowicz, PA-C
NPI 1639697980 · Physician Assistant · Rochester Hills, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Mellerowicz, PA-C is a Physician Assistant provider in Rochester Hills, MI (NPI 1639697980).
Provider details
- NPI number
- 1639697980
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 5601012063 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 66 | 60 |
| Atorvastatin Calcium | 40 | 25 |
| Alprazolam | 32 | 23 |
| Lisinopril | 30 | 21 |
| Azithromycin | 30 | 29 |
| Levothyroxine Sodium | 28 | 20 |
| Omeprazole | 26 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$66 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-09-07
- Last updated
- 2024-01-16
- Certified
- 2024-01-16
Frequently asked questions
- What is Zachary Mellerowicz's NPI number?
- Zachary Mellerowicz's National Provider Identifier (NPI) is 1639697980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Mellerowicz's specialty?
- Zachary Mellerowicz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Zachary Mellerowicz located?
- Zachary Mellerowicz's practice location on file with NPPES is 2940 Crooks Rd, Rochester Hills, MI 48309-3609.
- What is Zachary Mellerowicz's phone number?
- The practice phone number listed in the NPPES registry for Zachary Mellerowicz is (248) 997-9700.
- Does Zachary Mellerowicz accept Medicare?
- Zachary Mellerowicz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Mellerowicz's NPI active?
- Yes — Zachary Mellerowicz's NPI (1639697980) is active in the NPPES registry as of the last update on 2024-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.