Hallie Clark, NP
NPI 1326638537 · Nurse Practitioner · Oakland City, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hallie Clark, NP is a Nurse Practitioner provider in Oakland City, IN (NPI 1326638537).
Provider details
- NPI number
- 1326638537
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 28198172A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
5 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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | 35 |
| Amlodipine Besylate | 35 | 12 |
| Levothyroxine Sodium | 33 | — |
| Doxycycline Monohydrate | 32 | 30 |
| Semaglutidebrand: Ozempic | 32 | — |
| Buspirone Hcl | 32 | — |
| Cephalexin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-01-21
- Last updated
- 2021-02-17
- Certified
- 2021-02-17
Frequently asked questions
- What is Hallie Clark's NPI number?
- Hallie Clark's National Provider Identifier (NPI) is 1326638537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hallie Clark's specialty?
- Hallie Clark is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Hallie Clark located?
- Hallie Clark's practice location on file with NPPES is 1204 Williams St, Oakland City, IN 47660-1001.
- What is Hallie Clark's phone number?
- The practice phone number listed in the NPPES registry for Hallie Clark is (812) 749-6187.
- Does Hallie Clark accept Medicare?
- Hallie Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hallie Clark's NPI active?
- Yes — Hallie Clark's NPI (1326638537) is active in the NPPES registry as of the last update on 2021-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.