Eva Simmons-O'Brien, M.D.
NPI 1285663542 · Dermatology Physician · Towson, MD
Eva Simmons-O'Brien, M.D. is a Dermatology Physician provider in Towson, MD (NPI 1285663542).
Provider details
- NPI number
- 1285663542
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D43953 (MD)
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
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 |
|---|---|---|
| Mupirocin | 49 | 46 |
| Minoxidil | 43 | 15 |
| Triamcinolone Acetonide | 19 | 14 |
| Ketoconazole | 13 | — |
| Minocycline Hcl | 13 | — |
| Ciclopirox | 12 | — |
| Hydroxychloroquine Sulfatebrand: Plaquenil | 12 | — |
| Tretinoin | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,407 across 45 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
- 2006-06-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Eva Simmons-O'Brien's NPI number?
- Eva Simmons-O'Brien's National Provider Identifier (NPI) is 1285663542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eva Simmons-O'Brien's specialty?
- Eva Simmons-O'Brien is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Eva Simmons-O'Brien located?
- Eva Simmons-O'Brien's practice location on file with NPPES is 8320 Bellona Ave, Towson, MD 21204-2022.
- What is Eva Simmons-O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Eva Simmons-O'Brien is (410) 821-7645.
- Is Eva Simmons-O'Brien's NPI active?
- Yes — Eva Simmons-O'Brien's NPI (1285663542) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.