Ann Nienhuis, FNP-BC
NPI 1093144123 · Family Nurse Practitioner · Shelby, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Nienhuis, FNP-BC is a Family Nurse Practitioner provider in Shelby, MI (NPI 1093144123).
Provider details
- NPI number
- 1093144123
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 4704217181 (MI)
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
12 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 · 138 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 366 | 98 |
| Lisinopril | 314 | 82 |
| Omeprazole | 308 | 80 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 302 | 61 |
| Levothyroxine Sodium | 223 | 55 |
| Amlodipine Besylate | 202 | 54 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-11-08
- Last updated
- 2024-04-05
- Certified
- 2024-04-05
Frequently asked questions
- What is Ann Nienhuis's NPI number?
- Ann Nienhuis's National Provider Identifier (NPI) is 1093144123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Nienhuis's specialty?
- Ann Nienhuis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ann Nienhuis located?
- Ann Nienhuis's practice location on file with NPPES is 71 Bevier St, Shelby, MI 49455-1209.
- What is Ann Nienhuis's phone number?
- The practice phone number listed in the NPPES registry for Ann Nienhuis is (231) 861-2187.
- Does Ann Nienhuis accept Medicare?
- Ann Nienhuis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Nienhuis's NPI active?
- Yes — Ann Nienhuis's NPI (1093144123) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.