NPPES file of Aug 9, 2026

Carol Ann Marinch, M.D.

Internal Medicine Physician · Deerfield, IL

Carol Ann Marinch, M.D. is an internal medicine physician with a practice address in Deerfield, Illinois, and NPI 1326270513, issued on Aug 20, 2009. Check the license (Illinois 036-073540, 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
1326270513
Name
Carol Ann Marinch
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-073540 IL
Self-reported in NPPES; status is on the state search
Practice location
350 S Waukegan RD Ste 200, Deerfield, IL 60015
Phone
(847) 350-7297
Enumerated
Aug 20, 2009
Record last updated
Apr 2, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(312) 926-2185
Medicare enrollment
Enrolled (PECOS I20091130000098); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1983
Telehealth
Offers telehealth (CMS)
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 350 S Waukegan RD Ste 200

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

  1. Nicole Tomczuk, DOInternal Medicine Physician1649920588

Verify Carol Ann Marinch 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 036-073540
    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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10% more Medicare Part D claims than the average internal medicine physician in 2024

3,504 Medicare Part D claims for 344 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Carol Marinch3,504
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium407 claims
  2. Amlodipine Besylate214 claims
  3. Levothyroxine Sodium209 claims
  4. Rosuvastatin Calcium153 claims
  5. Lisinopril137 claims
  6. Metoprolol Succinate137 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 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).

Industry payments in 2024: $13.94

1 payment: food and beverage; the largest payer was Philips North America LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Carol Marinch$13.94
  2. Specialty average$1,303.06

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. Northwestern Medical Faculty FoundationDeerfield, IL

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

Carol Ann Marinch among 7,238 internal medicine physician records in Illinois

Carol Ann Marinch, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 49% of them.

  • NPI issued2009 · 49% of these records are older, 49% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1983 · median 2003 among the 3,580 with a school on file
  • Record last updated2020 · 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 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 internal medicine physician records list a practice address in Deerfield

They are 21 of the 712 NPPES records with a practice address in Deerfield, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lewis Barr, M.D.Riverwoods, IL 600151245267962
  2. Dana Ben-Dov, MDDeerfield, IL 600151194709477
  3. Mitul DesaiDeerfield, IL 600151437118361
  4. Jeffrey Foreman, M.D.Deerfield, IL 600151881663243
  5. Larry Kaskel, MDBannockburn, IL 600151285620484
  6. Tom Klein, MDRiverwoods, IL 600151326094194
  7. Monika McLain, MDBannockburn, IL 600151376539718
  8. Lisa Peck, M.D.Deerfield, IL 600151679539563

Common questions

What is Carol Ann Marinch, M.D.'s NPI number?

Carol Ann Marinch, M.D.'s National Provider Identifier (NPI) is 1326270513, issued on Aug 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Carol Ann Marinch, M.D. located?

The NPPES record lists a practice address at 350 S Waukegan RD Ste 200, Deerfield, IL, 60015. Phone: (847) 350-7297. Providers update this record themselves, so call before visiting.

How can I verify Carol Ann Marinch, M.D.'s license?

NPPES lists Illinois license number 036-073540, 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 Carol Ann Marinch, M.D. prescribe under Medicare Part D?

In 2024, Carol Ann Marinch, M.D. had 3,504 Medicare Part D claims for 344 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Carol Ann Marinch, M.D.'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.