Mara Ernst, DO
NPI 1538747753 · Dermatology Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mara Ernst, DO is a Dermatology Physician provider in Cincinnati, OH (NPI 1538747753).
Provider details
- NPI number
- 1538747753
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 34.016652 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 27 | — |
| Triamcinolone Acetonide | 26 | 11 |
| Clobetasol Propionate | 24 | 12 |
| Doxycycline Monohydrate | 16 | — |
| Tacrolimus | 16 | — |
| Fluocinolone/Shower Capbrand: Fluocinolone Acetonide | 15 | — |
| Clindamycin Phosphate | 13 | — |
| Secukinumab |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$268 across 2 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
Additional practice locations (3)
- 1475 W 49th PlHialeah, FL 33012-3113Phone: (305) 558-2500
- 379 Dixmyth AveCincinnati, OH 45220-2475Phone: (513) 246-7000
- 2155 Leiter RdMiamisburg, OH 45342-3659Phone: (937) 384-6800
Registry dates
- Enumerated
- 2021-03-30
- Last updated
- 2025-08-21
- Certified
- 2025-08-21
Frequently asked questions
- What is Mara Ernst's NPI number?
- Mara Ernst's National Provider Identifier (NPI) is 1538747753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mara Ernst's specialty?
- Mara Ernst is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mara Ernst located?
- Mara Ernst's practice location on file with NPPES is 8240 Northcreek Dr, Cincinnati, OH 45236-2377.
- What is Mara Ernst's phone number?
- The practice phone number listed in the NPPES registry for Mara Ernst is (513) 246-7546.
- Does Mara Ernst accept Medicare?
- Mara Ernst is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mara Ernst's NPI active?
- Yes — Mara Ernst's NPI (1538747753) is active in the NPPES registry as of the last update on 2025-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.