Andrea Oster, NP
NPI 1174207765 · Family Nurse Practitioner · Hastings, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Oster, NP is a Family Nurse Practitioner provider in Hastings, MI (NPI 1174207765).
Provider details
- NPI number
- 1174207765
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704330869 (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
3 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 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 104 | 38 |
| Atorvastatin Calcium | 93 | 41 |
| Levothyroxine Sodium | 78 | 32 |
| Lisinopril | 73 | 32 |
| Amlodipine Besylate | 72 | 32 |
| Gabapentin | 64 | 24 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-06-14
- Last updated
- 2024-01-22
- Certified
- 2024-01-22
Frequently asked questions
- What is Andrea Oster's NPI number?
- Andrea Oster's National Provider Identifier (NPI) is 1174207765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Oster's specialty?
- Andrea Oster is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Oster located?
- Andrea Oster's practice location on file with NPPES is 1108 W State St Ste 3, Hastings, MI 49058-9711.
- What is Andrea Oster's phone number?
- The practice phone number listed in the NPPES registry for Andrea Oster is (269) 945-0922.
- Does Andrea Oster accept Medicare?
- Andrea Oster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Oster's NPI active?
- Yes — Andrea Oster's NPI (1174207765) is active in the NPPES registry as of the last update on 2024-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.