Nadija Rieser, MD
NPI 1346878923 · Emergency Medicine Physician · Hazel Crest, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nadija Rieser, MD is a Emergency Medicine Physician provider in Hazel Crest, IL (NPI 1346878923).
Provider details
- NPI number
- 1346878923
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 125.075701 (IL)
Specialties & taxonomies
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
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
222 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 | 144 | $186 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 43 | $128 |
| Critical Care, First 30-74 Minutes99291 | 35 | $222 |
Typical Medicare-allowed amounts for these services range $128–$222 (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
Additional practice locations (3)
- 4646 N Marine DrChicago, IL 60640-5759Phone: (773) 878-8700
- 4440 W 95th StOak Lawn, IL 60453-2600Phone: (708) 684-8000
- 3 Erie CtOak Park, IL 60302-2519Phone: (708) 383-6200
Registry dates
- Enumerated
- 2020-03-30
- Last updated
- 2023-07-05
- Certified
- 2023-07-05
Frequently asked questions
- What is Nadija Rieser's NPI number?
- Nadija Rieser's National Provider Identifier (NPI) is 1346878923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadija Rieser's specialty?
- Nadija Rieser is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nadija Rieser located?
- Nadija Rieser's practice location on file with NPPES is 17800 Kedzie Ave, Hazel Crest, IL 60429-2029.
- What is Nadija Rieser's phone number?
- The practice phone number listed in the NPPES registry for Nadija Rieser is (708) 213-4200.
- Does Nadija Rieser accept Medicare?
- Nadija Rieser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nadija Rieser's NPI active?
- Yes — Nadija Rieser's NPI (1346878923) is active in the NPPES registry as of the last update on 2023-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.