Regina Obrien, M.D.
NPI 1548617350 · Dermatology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Regina Obrien, M.D. is a Dermatology Physician provider in Chicago, IL (NPI 1548617350).
Provider details
- NPI number
- 1548617350
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,113 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 605 | $94 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 469 | $7 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 232 | $55 |
| Biopsy of Related Skin Growth, First Growth11102 | 206 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 151 | $133 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 227 | 86 |
| Triamcinolone Acetonide | 124 | 88 |
| Clobetasol Propionate | 80 | 41 |
| Doxycycline Hyclate | 73 | 37 |
| Fluocinonide | 56 | 28 |
| Hydrocortisone | 54 | 45 |
| Tacrolimus | 24 | 11 |
| Desonide | 24 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,927 across 101 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
- 2016-05-22
- Last updated
- 2016-06-20
Frequently asked questions
- What is Regina Obrien's NPI number?
- Regina Obrien's National Provider Identifier (NPI) is 1548617350, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Regina Obrien's specialty?
- Regina Obrien is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Regina Obrien located?
- Regina Obrien's practice location on file with NPPES is 7435 W Talcott Ave, Chicago, IL 60631-3707.
- What is Regina Obrien's phone number?
- The practice phone number listed in the NPPES registry for Regina Obrien is (773) 990-5978.
- Does Regina Obrien accept Medicare?
- Regina Obrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Regina Obrien's NPI active?
- Yes — Regina Obrien's NPI (1548617350) is active in the NPPES registry as of the last update on 2016-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.