Sarah Hainstock, NP-C
NPI 1689185340 · Family Nurse Practitioner · Oscoda, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Hainstock, NP-C is a Family Nurse Practitioner provider in Oscoda, MI (NPI 1689185340).
Provider details
- NPI number
- 1689185340
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 4704252923 (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
8 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 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 174 | 34 |
| Atorvastatin Calcium | 152 | 42 |
| Lisinopril | 150 | 38 |
| Levothyroxine Sodium | 139 | 40 |
| Gabapentin | 134 | 32 |
| Omeprazole | 118 | 38 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-10-20
- Last updated
- 2021-03-03
- Certified
- 2021-03-03
Frequently asked questions
- What is Sarah Hainstock's NPI number?
- Sarah Hainstock's National Provider Identifier (NPI) is 1689185340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Hainstock's specialty?
- Sarah Hainstock is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Hainstock located?
- Sarah Hainstock's practice location on file with NPPES is 5671 N Skeel Ave Ste 8, Oscoda, MI 48750-1535.
- What is Sarah Hainstock's phone number?
- The practice phone number listed in the NPPES registry for Sarah Hainstock is (989) 739-2550.
- Does Sarah Hainstock accept Medicare?
- Sarah Hainstock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Hainstock's NPI active?
- Yes — Sarah Hainstock's NPI (1689185340) is active in the NPPES registry as of the last update on 2021-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.