Brett Hapeman, DO
NPI 1811316334 · Emergency Medicine Physician · Olympia Fields, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brett Hapeman, DO is a Emergency Medicine Physician provider in Olympia Fields, IL (NPI 1811316334).
Provider details
- NPI number
- 1811316334
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 010251 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
400 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 301 | $175 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 83 | $121 |
| Critical Care, First 30-74 Minutes99291 | 16 | $213 |
Typical Medicare-allowed amounts for these services range $121–$213 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 50 | 47 |
| Cephalexin | 38 | 38 |
| Ondansetron Hcl | 24 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Doxycycline Hyclate | 16 | 16 |
| Sucralfate | 16 | 16 |
| Cyclobenzaprine Hcl | 12 | 12 |
Practice location
Mailing address
Additional practice locations (2)
- 4646 N Marine DrChicago, IL 60640-5759Phone: (773) 878-8700
- 5145 N California AveChicago, IL 60625-3661Phone: (773) 878-8200
Registry dates
- Enumerated
- 2014-04-11
- Last updated
- 2023-08-03
- Certified
- 2022-07-28
Frequently asked questions
- What is Brett Hapeman's NPI number?
- Brett Hapeman's National Provider Identifier (NPI) is 1811316334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Hapeman's specialty?
- Brett Hapeman is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brett Hapeman located?
- Brett Hapeman's practice location on file with NPPES is 20201 S Crawford, Olympia Fields, IL 60461.
- What is Brett Hapeman's phone number?
- The practice phone number listed in the NPPES registry for Brett Hapeman is (708) 747-4000.
- Does Brett Hapeman accept Medicare?
- Brett Hapeman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brett Hapeman's NPI active?
- Yes — Brett Hapeman's NPI (1811316334) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.