Timothy Schainker, M.D.
NPI 1093125502 · Internal Medicine Physician · Oak Park, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Schainker, M.D. is a Internal Medicine Physician provider in Oak Park, IL (NPI 1093125502).
Provider details
- NPI number
- 1093125502
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- TP020 (KY)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,282 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 696 | $124 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 239 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 222 | $182 |
| Critical Care, First 30-74 Minutes99291 | 37 | $225 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 31 | $32 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 25 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 17 | 17 |
| Cefadroxil | 16 | 16 |
| Pantoprazole Sodium | 14 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 12 |
| Vancomycin Hcl | 13 | 12 |
| Furosemide | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 155 E Brush Hill RdElmhurst, IL 60126-5658Phone: (331) 221-8952
Registry dates
- Enumerated
- 2014-05-06
- Last updated
- 2023-03-07
- Certified
- 2021-12-22
Frequently asked questions
- What is Timothy Schainker's NPI number?
- Timothy Schainker's National Provider Identifier (NPI) is 1093125502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Schainker's specialty?
- Timothy Schainker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Schainker located?
- Timothy Schainker's practice location on file with NPPES is 3 Erie Ct, Oak Park, IL 60302-2519.
- What is Timothy Schainker's phone number?
- The practice phone number listed in the NPPES registry for Timothy Schainker is (708) 763-1222.
- Does Timothy Schainker accept Medicare?
- Timothy Schainker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Schainker's NPI active?
- Yes — Timothy Schainker's NPI (1093125502) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.