Mark Zook, DO
NPI 1114980711 · Family Medicine Physician · Reed City, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Zook, DO is a Family Medicine Physician provider in Reed City, MI (NPI 1114980711).
Provider details
- NPI number
- 1114980711
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101009020 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 191 | 43 |
| Hydroxychloroquine Sulfate | 38 | — |
| Quetiapine Fumarate | 34 | 18 |
| Lorazepam | 28 | 24 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 24 | — |
| Apixabanbrand: Eliquis | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-07
- Last updated
- 2021-04-30
- Certified
- 2021-04-30
Frequently asked questions
- What is Mark Zook's NPI number?
- Mark Zook's National Provider Identifier (NPI) is 1114980711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zook's specialty?
- Mark Zook is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Zook located?
- Mark Zook's practice location on file with NPPES is 300 N Patterson Rd, Reed City, MI 49677-8041.
- What is Mark Zook's phone number?
- The practice phone number listed in the NPPES registry for Mark Zook is (231) 832-7170.
- Does Mark Zook accept Medicare?
- Mark Zook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Zook's NPI active?
- Yes — Mark Zook's NPI (1114980711) is active in the NPPES registry as of the last update on 2021-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.