Brian Dyson, DO
NPI 1346626041 · Internal Medicine Physician · Olympia Fields, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Dyson, DO is a Internal Medicine Physician provider in Olympia Fields, IL (NPI 1346626041).
Provider details
- NPI number
- 1346626041
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- ED0500 (WV)
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
10 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
18 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 18 | $206 |
Typical Medicare-allowed amounts for these services range $206–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-08-04
- Last updated
- 2018-06-18
Frequently asked questions
- What is Brian Dyson's NPI number?
- Brian Dyson's National Provider Identifier (NPI) is 1346626041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Dyson's specialty?
- Brian Dyson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Dyson located?
- Brian Dyson's practice location on file with NPPES is 20201 Crawford Ave, Olympia Fields, IL 60461.
- What is Brian Dyson's phone number?
- The practice phone number listed in the NPPES registry for Brian Dyson is (708) 747-4000.
- Does Brian Dyson accept Medicare?
- Brian Dyson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Dyson's NPI active?
- Yes — Brian Dyson's NPI (1346626041) is active in the NPPES registry as of the last update on 2018-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.