NPPES file of Aug 9, 2026

Diana Marta Fatyga, M.D.

Family Medicine Physician · Chicago, IL

Diana Marta Fatyga, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1720490741, issued on May 26, 2014. Check the license (Illinois 036143778, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720490741
Name
Diana Marta Fatyga
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036143778 IL
Self-reported in NPPES; status is on the state search
Practice location
711 W North Ave, Chicago, IL 60610
Phone
(312) 337-1982
Enumerated
May 26, 2014
Record last updated
Apr 13, 2026
Medicare enrollment
Enrolled (PECOS I20170929002804); accepts Medicare assignment
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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8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →

Also registered at 711 W North Ave

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

  1. Robert Didomenico, D.C.Chiropractor1538251517
  2. Jean Engelkemeir, MDFamily Medicine Physician1104996115
  3. Rhonda Faulkner, PH.D.Marriage & Family Therapist1932322583
  4. Kristen Gallagher, DOObstetrics & Gynecology Physician1881049583
  5. Luis Garcia, M.D.Family Medicine Physician1598874398
  6. Renata Gazzi, M.D.Family Medicine Physician1710152301

Verify Diana Marta Fatyga 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 036143778    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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8% more Medicare Part D claims than the average family medicine physician in 2024

3,815 Medicare Part D claims for 254 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 38 claims were for opioids.

  1. Diana Fatyga3,815
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium294 claims
  2. Amlodipine Besylate213 claims
  3. Levothyroxine Sodium143 claims
  4. Lisinopril134 claims
  5. Losartan Potassium134 claims
  6. Metformin Hcl110 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.

Bills Medicare through one group practice

  1. Prime Healthcare Illinois Medical Group LLCDes Plaines, IL

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

Diana Marta Fatyga among 6,215 family medicine physician records in Illinois

Diana Marta Fatyga, M.D. 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 2014, is newer than 66% of them.

  • NPI issued2014 · 66% of these records are older, 32% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2014 · 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).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Douglas Butler, MDChicago, IL 606101588847800
  2. Jean Engelkemeir, MDChicago, IL 606101104996115
  3. Luis Garcia, M.D.Chicago, IL 606101598874398
  4. Renata Gazzi, M.D.Chicago, IL 606101710152301
  5. Stephanie Low, M.D.Chicago, IL 606101902160856
  6. Alicia Milan-Flanigan, MDChicago, IL 606101760695779
  7. Minal Naik, M.D.Chicago, IL 606101902971872
  8. Jessica Richardson, MDChicago, IL 606101235556333

Common questions

What is Diana Marta Fatyga, M.D.'s NPI number?

Diana Marta Fatyga, M.D.'s National Provider Identifier (NPI) is 1720490741, issued on May 26, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Diana Marta Fatyga, M.D. located?

The NPPES record lists a practice address at 711 W North Ave, Chicago, IL, 60610. Phone: (312) 337-1982. Providers update this record themselves, so call before visiting.

How can I verify Diana Marta Fatyga, M.D.'s license?

NPPES lists Illinois license number 036143778, 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 Diana Marta Fatyga, M.D. prescribe under Medicare Part D?

In 2024, Diana Marta Fatyga, M.D. had 3,815 Medicare Part D claims for 254 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.