Oanh Clark, DO
NPI 1811104938 · Hospice and Palliative Medicine (Emergency Medicine) Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oanh Clark, DO is a Hospice and Palliative Medicine (Emergency Medicine) Physician provider in Columbus, OH (NPI 1811104938).
Provider details
- NPI number
- 1811104938
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 9000 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ofloxacin | 55 | 55 |
| Cephalexin | 49 | 49 |
| Fluconazole | 43 | 43 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 41 | 41 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 25 | 25 |
| Doxycycline Monohydrate | 22 | 22 |
| Moxifloxacin Hclbrand: Moxifloxacin | 22 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-17
- Last updated
- 2022-02-11
Frequently asked questions
- What is Oanh Clark's NPI number?
- Oanh Clark's National Provider Identifier (NPI) is 1811104938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oanh Clark's specialty?
- Oanh Clark is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Oanh Clark located?
- Oanh Clark's practice location on file with NPPES is 5156 Baker Ridge Dr, Columbus, OH 43228-1794.
- What is Oanh Clark's phone number?
- The practice phone number listed in the NPPES registry for Oanh Clark is (614) 851-1937.
- Does Oanh Clark accept Medicare?
- Oanh Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oanh Clark's NPI active?
- Yes — Oanh Clark's NPI (1811104938) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.