NPPES file of Aug 9, 2026

Regina Obrien, M.D.

Dermatology Physician · Chicago, IL

Regina Obrien, M.D. is a dermatology physician with a practice address in Chicago, Illinois, and NPI 1548617350, issued on May 22, 2016. Check the license (Illinois 125.069177, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548617350
Name
Regina Obrien
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
125.069177 IL
Self-reported in NPPES; status is on the state search
Practice location
7435 W Talcott Ave, Chicago, IL 60631
Phone
(773) 990-5978
Enumerated
May 22, 2016
Record last updated
Jun 20, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200911001059); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7435 W Talcott Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Logan Abel, MDEmergency Medicine Physician1447900592
  2. Rachel Abrams, M.D.Emergency Medicine Physician1659786317
  3. Eva Adams, P.T.Physical Therapist1265780753
  4. Jennifer AdamsStudent in an Organized Health Care Education/Training Program1710681473
  5. John Affinito, MDFamily Medicine Physician1316930191
  6. Omar Ahmed, DOEmergency Medicine Physician1043896947

Verify Regina Obrien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 125.069177
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11% more Medicare Part D claims than the average dermatology physician in 2024

884 Medicare Part D claims for 301 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Regina Obrien884
  2. Specialty average797

Most prescribed

  1. Ketoconazole227 claims
  2. Triamcinolone Acetonide124 claims
  3. Clobetasol Propionate80 claims
  4. Doxycycline Hyclate73 claims
  5. Fluocinonide56 claims
  6. Hydrocortisone54 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 97.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,927.05

101 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Regina Obrien$1,927.05
  2. Specialty average$8,544.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Illinois Dermatology Institute, LLCOak Park, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Regina Obrien among 647 dermatology physician records in Illinois

Regina Obrien, M.D. is one of 647 dermatology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 69% of them.

  • NPI issued2016 · 69% of these records are older, 29% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2016 · median 2008 among the 440 with a school on file
  • Record last updated2016 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Illinois

There are 647 dermatology physician records in Illinois.

The 8 dermatology physician records with the nearest ZIP codes

  1. Neill Peters, M.D.Chicago, IL 606291215912795
  2. Taraneh Firoozi, MDChicago, IL 606341689764920
  3. Victoria BarbosaChicago, IL 606371578570024
  4. Diana Bolotin, M.D.Chicago, IL 606371164746905
  5. Dianne De Leon, MDChicago, IL 606251851656516
  6. Mark HoffmanChicago, IL 606371780694216
  7. Sonya Kenkare, M.D.Chicago, IL 606371043508724
  8. Emily Lund, M.D.Chicago, IL 606371538401112

Common questions

What is Regina Obrien, M.D.'s NPI number?

Regina Obrien, M.D.'s National Provider Identifier (NPI) is 1548617350, issued on May 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Regina Obrien, M.D. located?

The NPPES record lists a practice address at 7435 W Talcott Ave, Chicago, IL, 60631. Phone: (773) 990-5978. Providers update this record themselves, so call before visiting.

How can I verify Regina Obrien, M.D.'s license?

NPPES lists Illinois license number 125.069177, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Regina Obrien, M.D. prescribe under Medicare Part D?

In 2024, Regina Obrien, M.D. had 884 Medicare Part D claims for 301 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Regina Obrien, M.D.'s MIPS final score?

The 2023 MIPS final score is 97.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.