Hillary Ottenbaker, FNP-C
NPI 1689281396 · Family Nurse Practitioner · Grand Haven, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hillary Ottenbaker, FNP-C is a Family Nurse Practitioner provider in Grand Haven, MI (NPI 1689281396).
Provider details
- NPI number
- 1689281396
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 4704316318 (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 tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
349 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $108 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 97 | $149 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $77 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 32 | $112 |
| Administration of Influenza Virus VaccineG0008 | 16 | $31 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 111 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 428 | 146 |
| Levothyroxine Sodium | 388 | 125 |
| Losartan Potassium | 241 | 86 |
| Lisinopril | 228 | 84 |
| Omeprazole | 226 | 82 |
| Amlodipine Besylate | 212 | 70 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$905 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-26
- Last updated
- 2021-02-25
- Certified
- 2021-02-25
Frequently asked questions
- What is Hillary Ottenbaker's NPI number?
- Hillary Ottenbaker's National Provider Identifier (NPI) is 1689281396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Ottenbaker's specialty?
- Hillary Ottenbaker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hillary Ottenbaker located?
- Hillary Ottenbaker's practice location on file with NPPES is 15100 Whittaker Way, Grand Haven, MI 49417-8696.
- What is Hillary Ottenbaker's phone number?
- The practice phone number listed in the NPPES registry for Hillary Ottenbaker is (616) 935-6320.
- Does Hillary Ottenbaker accept Medicare?
- Hillary Ottenbaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hillary Ottenbaker's NPI active?
- Yes — Hillary Ottenbaker's NPI (1689281396) is active in the NPPES registry as of the last update on 2021-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.