Brian Oostman, DO
NPI 1316950496 · Family Medicine Physician · Oswego, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Oostman, DO is a Family Medicine Physician provider in Oswego, IL (NPI 1316950496).
Provider details
- NPI number
- 1316950496
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036-108507 (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
19 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
1,079 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 | 244 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 230 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 214 | $90 |
| Osteopathic Manipulative Treatment, 3-4 Body Regions98926 | 123 | $45 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 94 | $121 |
| Osteopathic Manipulative Treatment, 1-2 Body Regions98925 | 58 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 142 | 37 |
| Metoprolol Succinate | 115 | 28 |
| Simvastatin | 107 | 28 |
| Lisinopril | 105 | 30 |
| Amlodipine Besylate | 86 | 26 |
| Levothyroxine Sodium | 79 | 20 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-13
- Last updated
- 2021-11-18
- Certified
- 2021-11-18
Frequently asked questions
- What is Brian Oostman's NPI number?
- Brian Oostman's National Provider Identifier (NPI) is 1316950496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Oostman's specialty?
- Brian Oostman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Oostman located?
- Brian Oostman's practice location on file with NPPES is 80 Templeton Dr, Oswego, IL 60543-7000.
- What is Brian Oostman's phone number?
- The practice phone number listed in the NPPES registry for Brian Oostman is (630) 554-3456.
- Does Brian Oostman accept Medicare?
- Brian Oostman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Oostman's NPI active?
- Yes — Brian Oostman's NPI (1316950496) is active in the NPPES registry as of the last update on 2021-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.