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Edit this profileAt a glance
- 7435 W Talcott Ave, Chicago, IL 60631
About Dr. O'brien
Regina O'Brien, M.D. is a healthcare provider in Chicago, IL specializing in dermatology. Regina trained at Wayne State University School of Medicine, graduating in 2016. Regina is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Regina cared for 1,351 Medicare patients across 5,313 services. The services billed most often include aminolevulinic acid hcl for topical administration, 10% gel, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 2-14 growths. This provider record is associated with NPI 1548617350.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (773) 990-5978
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
7435 W TALCOTT AVE
Chicago, IL 60631
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Procedures & services
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
- Dermoscopy
- Excisional skin biopsy
- Punch biopsy
- Shave biopsy
- Skin scraping for fungal or mite testing
- Patch testing
- Skin biopsy
Lesion treatment
- Chemical treatment of skin lesions
- Incision and drainage of an abscess
- Intralesional medication injection
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
5,313 services · 1,351 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
469 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
232 | As often as other peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
206 | More often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
149 | As often as other peers in Dermatology |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
44 | As often as other peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
17 | Less often than most peers in Dermatology |
| Punch biopsy, first skin growth | Procedure | 11104 |
17 | As often as other peers in Dermatology |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
16 | Less often than most peers in Dermatology |
| Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg | Drug given | J7345 |
3,200 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
605 | More often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other dermatologists in Chicago 8
Same specialty, same city.
Trained at Wayne State University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2016 at Wayne State University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Regina O'Brien specialize in?
Regina O'Brien is a dermatologist (skin doctor) in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where is Regina O'Brien located?
Regina O'Brien is listed at 7435 W Talcott Ave, Chicago, IL 60631. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Regina O'Brien's phone number?
The number on file is (773) 990-5978. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Regina O'Brien's NPI number?
Regina O'Brien's National Provider Identifier is 1548617350. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Regina O'Brien train?
Regina O'Brien attended Wayne State University School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Regina O'Brien been practicing?
Regina O'Brien has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Regina O'Brien do most often?
According to Medicare billing data, Regina O'Brien performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Regina O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Regina O'Brien. If this is you, claiming it is free.
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