Mihaela Mihailescu, MD
NPI 1003943614 · Rheumatology Physician · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mihaela Mihailescu, MD is a Rheumatology Physician provider in Oak Lawn, IL (NPI 1003943614).
Provider details
- NPI number
- 1003943614
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036-103892 (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
699 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 263 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 251 | $131 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 41 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 37 | $178 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 30 | $175 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 326 | 93 |
| Hydroxychloroquine Sulfate | 237 | 76 |
| Prednisone | 214 | 68 |
| Allopurinol | 126 | 30 |
| Etanerceptbrand: Enbrel Sureclick | 83 | 11 |
| Leflunomide | 63 | 20 |
| Adalimumabbrand: Humira(cf) Pen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-28
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Mihaela Mihailescu's NPI number?
- Mihaela Mihailescu's National Provider Identifier (NPI) is 1003943614, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mihaela Mihailescu's specialty?
- Mihaela Mihailescu is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mihaela Mihailescu located?
- Mihaela Mihailescu's practice location on file with NPPES is 4440 W 95th St, Oak Lawn, IL 60453-2600.
- What is Mihaela Mihailescu's phone number?
- The practice phone number listed in the NPPES registry for Mihaela Mihailescu is (708) 684-8000.
- Does Mihaela Mihailescu accept Medicare?
- Mihaela Mihailescu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mihaela Mihailescu's NPI active?
- Yes — Mihaela Mihailescu's NPI (1003943614) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.