Craig Zastrow, ANPC
NPI 1407835903 · Nurse Practitioner · Merrill, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Craig Zastrow, ANPC is a Nurse Practitioner provider in Merrill, WI (NPI 1407835903).
Provider details
- NPI number
- 1407835903
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ANPC
- Sex
- Male
- Sole proprietor
- No
- License
- 2546033 (WI)
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 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 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 356 | 91 |
| Lisinopril | 303 | 68 |
| Tamsulosin Hcl | 211 | 50 |
| Amlodipine Besylate | 197 | 50 |
| Furosemide | 148 | 33 |
| Losartan Potassium | 145 | 32 |
| Metformin Hclbrand: Metformin Hcl Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-12
- Last updated
- 2016-01-14
Frequently asked questions
- What is Craig Zastrow's NPI number?
- Craig Zastrow's National Provider Identifier (NPI) is 1407835903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Craig Zastrow's specialty?
- Craig Zastrow is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Craig Zastrow located?
- Craig Zastrow's practice location on file with NPPES is 3430 E Main St, Merrill, WI 54452-9001.
- What is Craig Zastrow's phone number?
- The practice phone number listed in the NPPES registry for Craig Zastrow is (715) 804-7500.
- Does Craig Zastrow accept Medicare?
- Craig Zastrow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Craig Zastrow's NPI active?
- Yes — Craig Zastrow's NPI (1407835903) is active in the NPPES registry as of the last update on 2016-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.