NPPES file of Aug 9, 2026

Catherine Brankin, D.O.

Gynecology Physician · Chicago, IL

Catherine Brankin, D.O. is a gynecology physician with a practice address in Chicago, Illinois, and NPI 1629231816, issued on Jul 8, 2008. Check the license 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
1629231816
Name
Catherine Brankin
Credential
D.O.
Primary taxonomy
Gynecology Physician 207VG0400X
License number
OS14124 FL
Self-reported in NPPES; status is on the state search
Practice location
5140 N California Ave, Chicago, IL 60625
Phone
(773) 878-8200
Enumerated
Jul 8, 2008
Record last updated
Feb 3, 2023
Medicare enrollment
Enrolled (PECOS I20190725003468); accepts Medicare assignment
Medical or professional school
Mid West Medical College, 2008
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 5140 N California Ave

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

  1. Olalekan Abimbola, MDFamily Medicine Physician1568251049
  2. Nikaya Acfalle, RNCritical Care Medicine Registered Nurse1538880158
  3. Andrew Agos, MDSurgery Physician1861403891
  4. Margaret Aguilar, R.N., F.N.P.Family Nurse Practitioner1871563379
  5. Sara Ahmed, DOInternal Medicine Physician1992635122
  6. Chi Ahn, M.D.Internal Medicine Physician1578857835

Verify Catherine Brankin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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42% fewer Medicare Part D claims than the average gynecology physician in 2024

172 Medicare Part D claims for 73 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Catherine Brankin172
  2. Specialty average299

Most prescribed

  1. Myrbetriq33 claims
  2. Estradiol28 claims
  3. Valacyclovir19 claims
  4. Nitrofurantoin Mono-Macro14 claims
  5. Ibuprofen11 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): 89.7 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. Qualityout of 100 · 30% of the final score97.9
  2. Costout of 100 · 30%67.7
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,771.77

25 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,398 providers of this specialty with any payment received $2,469.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Brankin$1,771.77
  2. Specialty average$2,469.88

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. Florida Woman Care LLCWellington, FL

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

Catherine Brankin among 113 gynecology physician records in Illinois

Catherine Brankin, D.O. is one of 113 gynecology physician records with a practice address in Illinois. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 82% of them.

  • NPI issued2008 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 55% of these records are
  • In the CMS Doctors and Clinicians fileYes · 35% of these records are
  • Graduated2008 · median 1998 among the 40 with a school on file
  • Record last updated2023 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecology Physician providers in Illinois

There are 113 gynecology physician records in Illinois.

The 8 gynecology physician records with the nearest ZIP codes

  1. Fernando Ampuero, MDChicago, IL 606231760438477
  2. Kya Robottom, M.D.Chicago, IL 606221790893345
  3. Edward Lichtenberg, MDChicago, IL 606301427132950
  4. Dorothy Lucas, MDChicago, IL 606191720273311
  5. Lisa Oldham, M.D.Chicago, IL 606311689636904
  6. Dawn-Maria Warren, MDChicago, IL 606161881924942
  7. Anita Blanchard, M.D.Chicago, IL 606371699874560
  8. Melissa GilliamChicago, IL 606371356443147

Common questions

What is Catherine Brankin, D.O.'s NPI number?

Catherine Brankin, D.O.'s National Provider Identifier (NPI) is 1629231816, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Brankin, D.O. located?

The NPPES record lists a practice address at 5140 N California Ave, Chicago, IL, 60625. Phone: (773) 878-8200. Providers update this record themselves, so call before visiting.

How can I verify Catherine Brankin, D.O.'s license?

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 Catherine Brankin, D.O. prescribe under Medicare Part D?

In 2024, Catherine Brankin, D.O. had 172 Medicare Part D claims for 73 beneficiaries; the average among gynecology physician prescribers was 299. Part D covers Medicare prescriptions only.

What is Catherine Brankin, D.O.'s MIPS final score?

The 2023 MIPS final score is 89.7 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.