NPPES file of Aug 9, 2026

Kathleen S. Larkin, MD

Obstetrics & Gynecology Physician · Chicago, IL

Kathleen S. Larkin, MD is an obstetrics & gynecology physician with a practice address in Chicago, Illinois, and NPI 1710103718, issued on Apr 18, 2007. Check the license (Illinois 036.125185, 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
1710103718
Name
Kathleen S. Larkin
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036.125185 IL
Self-reported in NPPES; status is on the state search
Practice location
680 N Lake Shore Dr, Chicago, IL 60611
Phone
(312) 943-3300
Enumerated
Apr 18, 2007
Record last updated
Dec 16, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170123002746); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2006
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 680 N Lake Shore Dr

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

  1. Michael Abecassis, MDTransplant Surgery Physician1134117377
  2. Yolanda Adler, MDDiagnostic Radiology Physician1518957760
  3. Brian Adley, MDAnatomic Pathology & Clinical Pathology Physician1932151966
  4. Mohamed Afifi, MDCritical Care Medicine (Anesthesiology) Physician1922098524
  5. Erin Agins, M.D.Obstetrics & Gynecology Physician1407118383
  6. Abby Agulnek, DOHospitalist Physician1689662942

Verify Kathleen S. Larkin 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 036.125185
    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

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81% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

31 Medicare Part D claims for 14 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Kathleen Larkin31
  2. Specialty average165

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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Permanente Medical Group IncSacramento, CA

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

Kathleen S. Larkin among 2,062 obstetrics & gynecology physician records in Illinois

Kathleen S. Larkin, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 47% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2006 · median 2006 among the 1,168 with a school on file
  • Record last updated2021 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

700 obstetrics & gynecology physician records list a practice address in Chicago

They are 700 of the 63,379 NPPES records with a practice address in Chicago, and 2,062 obstetrics & gynecology physician records in Illinois.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Angela Chaudhari, M.D.Chicago, IL 606111275596959
  2. April Dewhite, M.D.Chicago, IL 606111265415848
  3. Julie Ericson, M.D.Chicago, IL 606111588628754
  4. Patricia Gale, MDChicago, IL 606111437119229
  5. Micah Garb, M.D.Chicago, IL 606111225012362
  6. Parul Gupta, M.D.Chicago, IL 606111023001187
  7. Elena Kamel, M.D.Chicago, IL 606111790749463
  8. Julie Levitt, M.D.Chicago, IL 606111215991807

Common questions

What is Kathleen S. Larkin, MD's NPI number?

Kathleen S. Larkin, MD's National Provider Identifier (NPI) is 1710103718, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen S. Larkin, MD located?

The NPPES record lists a practice address at 680 N Lake Shore Dr, Chicago, IL, 60611. Phone: (312) 943-3300. Providers update this record themselves, so call before visiting.

How can I verify Kathleen S. Larkin, MD's license?

NPPES lists Illinois license number 036.125185, 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 Kathleen S. Larkin, MD prescribe under Medicare Part D?

In 2024, Kathleen S. Larkin, MD had 31 Medicare Part D claims for 14 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Kathleen S. Larkin, MD's MIPS final score?

The 2023 MIPS final score is 94.1 of 100. 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.