Michael Hejna, M.D., PHD.
NPI 1013913573 · Orthopaedic Surgery Physician · Riverside, IL
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hejna, M.D., PHD. is a Orthopaedic Surgery Physician provider in Riverside, IL (NPI 1013913573).
Provider details
- NPI number
- 1013913573
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PHD.
- Sex
- Male
- Sole proprietor
- No
- License
- 036091139 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,254 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 407 | $94 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 251 | $78 |
| X-Ray of Knee, 3 Views73562 | 242 | $42 |
| X-Ray of Hip, 2-3 Views73502 | 61 | $48 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 49 |
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 |
|---|---|---|
| Etodolac | 161 | 83 |
| Celecoxib | 26 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 17 | 16 |
| Methylprednisolone | 15 | 15 |
| Naproxen | 15 | — |
| Ibuprofen | 14 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 13 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$83 across 3 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
Registry dates
- Enumerated
- 2005-06-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Hejna's NPI number?
- Michael Hejna's National Provider Identifier (NPI) is 1013913573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hejna's specialty?
- Michael Hejna is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hejna located?
- Michael Hejna's practice location on file with NPPES is 353 E Burlington St, Riverside, IL 60546-2082.
- What is Michael Hejna's phone number?
- The practice phone number listed in the NPPES registry for Michael Hejna is (708) 442-0221.
- Does Michael Hejna accept Medicare?
- Michael Hejna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hejna's NPI active?
- Yes — Michael Hejna's NPI (1013913573) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.