Brian Stojak, M.D.
NPI 1932634003 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Stojak, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1932634003).
Provider details
- NPI number
- 1932634003
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036152245 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
207 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 85 | $135 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 46 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $96 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 14 | $137 |
Typical Medicare-allowed amounts for these services range $9–$137 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 102 | 35 |
| Losartan Potassium | 52 | 16 |
| Amlodipine Besylate | 38 | 11 |
| Fluticasone Propionate | 31 | 11 |
| Metoprolol Succinate | 24 | — |
| Trazodone Hcl | 24 | — |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,327 across 57 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 2019 W Irving Park RdChicago, IL 60618-3909Phone: (773) 293-8787Fax: (773) 293-8793
- 6141 N Cicero AveChicago, IL 60646-4303Phone: (773) 293-8788Fax: (773) 293-8791
- 9977 Woods Dr Ste 100Skokie, IL 60077-1057Phone: (224) 364-2273Fax: (847) 663-8290
Registry dates
- Enumerated
- 2017-04-26
- Last updated
- 2021-07-08
- Certified
- 2021-07-08
Frequently asked questions
- What is Brian Stojak's NPI number?
- Brian Stojak's National Provider Identifier (NPI) is 1932634003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Stojak's specialty?
- Brian Stojak is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Stojak located?
- Brian Stojak's practice location on file with NPPES is 5346 N Clark St, Chicago, IL 60640-2120.
- What is Brian Stojak's phone number?
- The practice phone number listed in the NPPES registry for Brian Stojak is (773) 293-8880.
- Does Brian Stojak accept Medicare?
- Brian Stojak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Stojak's NPI active?
- Yes — Brian Stojak's NPI (1932634003) is active in the NPPES registry as of the last update on 2021-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.