NPPES file of Aug 9, 2026

Mary C. Hutton, MD

Family Medicine Physician · Oak Park, IL

Mary C. Hutton, MD is a family medicine physician with a practice address in Oak Park, Illinois, and NPI 1164415808, issued on Aug 29, 2005. Check the license (Illinois 036-077730, 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
1164415808
Name
Mary C. Hutton
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036-077730 IL
Self-reported in NPPES; status is on the state search
Practice location
1100 Lake St Ste 230, Oak Park, IL 60301
Phone
(331) 221-9001
Enumerated
Aug 29, 2005
Record last updated
Feb 4, 2026
Fax
(331) 221-2305
Medicaid ID
036077730 IL
Medicare enrollment
Enrolled (PECOS I20070529000036); accepts Medicare assignment
Medical or professional school
Medical College Of Ohio, 1987
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 1100 Lake St Ste 230

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

  1. Ida Ahmady, DOFamily Medicine Physician1255081873
  2. Megan Helms, MDFamily Medicine Physician1881344240
  3. Katherine Lynch, MDFamily Medicine Physician1821038720
  4. Elizabeth Mathew, MDFamily Medicine Physician1104389816
  5. Forrest Robinson, DOFamily Medicine Physician1740283803
  6. Teresa Smith, LCSWClinical Social Worker1609394212

Verify Mary C. Hutton 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 036-077730
    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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3% more Medicare Part D claims than the average family medicine physician in 2024

3,639 Medicare Part D claims for 355 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 81 claims were for opioids.

  1. Mary Hutton3,639
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium345 claims
  2. Amlodipine Besylate207 claims
  3. Levothyroxine Sodium158 claims
  4. Lisinopril141 claims
  5. Losartan Potassium137 claims
  6. Metoprolol Succinate111 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): 91.4 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 score82.7
  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: $20.18

1 payment: food and beverage; the largest payer was Grifols USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Hutton$20.18
  2. Specialty average$902.55

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. Endeavor Health Medical GroupOak Park, IL

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

Mary C. Hutton among 6,215 family medicine physician records in Illinois

Mary C. Hutton, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1987 · median 2006 among the 3,714 with a school on file
  • Record last updated2026 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 family medicine physician records list a practice address in Oak Park

They are 86 of the 2,307 NPPES records with a practice address in Oak Park, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Hung Duong, MDOak Park, IL 603011245257781
  2. Peter Grant, M.D.Oak Park, IL 603011306853858
  3. Nancy Gryniewicz, M.D.Oak Park, IL 603011558368043
  4. Stephen Humowiecki, MDOak Park, IL 603011477533560
  5. Mary Kelly, D.O.Oak Park, IL 603011912087560
  6. Paul Kungl, MDOak Park, IL 603011831234749
  7. Michael Kyle, MDOak Park, IL 603011578556544
  8. Katherine Lynch, MDOak Park, IL 603011821038720

Common questions

What is Mary C. Hutton, MD's NPI number?

Mary C. Hutton, MD's National Provider Identifier (NPI) is 1164415808, issued on Aug 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary C. Hutton, MD located?

The NPPES record lists a practice address at 1100 Lake St Ste 230, Oak Park, IL, 60301. Phone: (331) 221-9001. Providers update this record themselves, so call before visiting.

How can I verify Mary C. Hutton, MD's license?

NPPES lists Illinois license number 036-077730, 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 Mary C. Hutton, MD prescribe under Medicare Part D?

In 2024, Mary C. Hutton, MD had 3,639 Medicare Part D claims for 355 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Mary C. Hutton, MD's MIPS final score?

The 2023 MIPS final score is 91.4 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.