Diana Fatyga, M.D.
NPI 1720490741 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Fatyga, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1720490741).
Provider details
- NPI number
- 1720490741
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036143778 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
479 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 219 | $132 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $133 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $94 |
| Hemoglobin A1c Level83036 | 41 | $10 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 29 | $9 |
| Administration of Influenza Virus VaccineG0008 | 28 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 294 | 90 |
| Amlodipine Besylate | 213 | 59 |
| Levothyroxine Sodium | 143 | 40 |
| Lisinopril | 134 | 32 |
| Losartan Potassium | 134 | 40 |
| Metformin Hcl | 110 | 30 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-26
- Last updated
- 2026-04-13
- Certified
- 2026-04-13
Frequently asked questions
- What is Diana Fatyga's NPI number?
- Diana Fatyga's National Provider Identifier (NPI) is 1720490741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Fatyga's specialty?
- Diana Fatyga is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Fatyga located?
- Diana Fatyga's practice location on file with NPPES is 711 W North Ave, Chicago, IL 60610-1174.
- What is Diana Fatyga's phone number?
- The practice phone number listed in the NPPES registry for Diana Fatyga is (312) 337-1982.
- Does Diana Fatyga accept Medicare?
- Diana Fatyga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Fatyga's NPI active?
- Yes — Diana Fatyga's NPI (1720490741) is active in the NPPES registry as of the last update on 2026-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.