Mary Kathryn Peterson, D.O.
Family Medicine Physician · Skokie, IL
Mary Kathryn Peterson, D.O. is a family medicine physician with a practice address in Skokie, Illinois, and NPI 1356508675, issued on May 22, 2008. Check the license (Illinois 036121820, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mary Kathryn Peterson
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036121820 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4999 Old Orchard Shopping Center, Skokie, IL 60077
- Phone
- (888) 663-6331
- Enumerated
- May 22, 2008
- Record last updated
- Jul 20, 2026
- Medicaid ID
- 036121820 IL
- Medicare enrollment
- Enrolled (PECOS I20090828000428); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2006
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 4999 Old Orchard Shopping Center
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Dahlem, M. D.Family Medicine Physician1205178381
Verify Mary Kathryn Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036121820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average family medicine physician in 2024
6,238 Medicare Part D claims for 687 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium499 claims
- Levothyroxine Sodium358 claims
- Metoprolol Succinate282 claims
- Amlodipine Besylate280 claims
- Losartan Potassium266 claims
- Lisinopril251 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.
Industry payments in 2024: $24.11
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Prime Healthcare Illinois Medical Group LLCDes Plaines, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Kathryn Peterson among 6,215 family medicine physician records in Illinois
Mary Kathryn Peterson, D.O. 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 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2006 · 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).
33 family medicine physician records list a practice address in Skokie
They are 33 of the 2,210 NPPES records with a practice address in Skokie, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Skokie → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Casimiro Agulo, MDSkokie, IL 600771013010297
- Zina Banna, MDSkokie, IL 600771487844098
- Saundra Claiborne, MDSkokie, IL 600771821199530
- Sean David, M.D.Skokie, IL 600771942283825
- Rupa Desai, DOSkokie, IL 600771750481370
- Marina Duran, MDSkokie, IL 600771992780266
- May Hassib, M.DSkokie, IL 600771225163207
- Yevgeny Odessky, M.D.Skokie, IL 600771912018599
Common questions
What is Mary Kathryn Peterson, D.O.'s NPI number?
Mary Kathryn Peterson, D.O.'s National Provider Identifier (NPI) is 1356508675, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kathryn Peterson, D.O. located?
The NPPES record lists a practice address at 4999 Old Orchard Shopping Center, Skokie, IL, 60077. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify Mary Kathryn Peterson, D.O.'s license?
NPPES lists Illinois license number 036121820, 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 Kathryn Peterson, D.O. prescribe under Medicare Part D?
In 2024, Mary Kathryn Peterson, D.O. had 6,238 Medicare Part D claims for 687 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.