Ronald Sweren, M.D.
NPI 1487689287 · Dermatology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Sweren, M.D. is a Dermatology Physician provider in Baltimore, MD (NPI 1487689287).
Provider details
- NPI number
- 1487689287
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D20671 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,474 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 851 | $94 |
| Therapy Procedure Using Ultraviolet Radiation With Tar Or Petroleum Jelly Application96910 | 778 | $126 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 521 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 433 | $132 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 294 | $60 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 60 | 32 |
| Clobetasol Propionate | 49 | 24 |
| Ketoconazole | 47 | 13 |
| Fluocinonide | 37 | 24 |
| Hydrocortisone | 37 | 18 |
| Doxycycline Monohydrate | 35 | 12 |
| Methotrexate Sodiumbrand: Methotrexate | 33 | — |
| Valacyclovir Hclbrand: Valacyclovir |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2013-02-19
Frequently asked questions
- What is Ronald Sweren's NPI number?
- Ronald Sweren's National Provider Identifier (NPI) is 1487689287, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Sweren's specialty?
- Ronald Sweren is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Sweren located?
- Ronald Sweren's practice location on file with NPPES is 601 N Caroline St, Baltimore, MD 21287-0006.
- What is Ronald Sweren's phone number?
- The practice phone number listed in the NPPES registry for Ronald Sweren is (410) 955-5933.
- Does Ronald Sweren accept Medicare?
- Ronald Sweren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Sweren's NPI active?
- Yes — Ronald Sweren's NPI (1487689287) is active in the NPPES registry as of the last update on 2013-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.