Steven Jaharis, MD
NPI 1538105861 · Family Medicine Physician · Winnetka, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Jaharis, MD is a Family Medicine Physician provider in Winnetka, IL (NPI 1538105861).
Provider details
- NPI number
- 1538105861
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036078117 (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
20 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
519 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 152 | $94 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 97 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $132 |
| Urinalysis, Manual Test81002 | 63 | $3 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $133 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 46 | $19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 113 | 36 |
| Rosuvastatin Calcium | 100 | 33 |
| Lisinopril | 92 | 25 |
| Losartan Potassium | 88 | 30 |
| Amlodipine Besylate | 66 | 23 |
| Levothyroxine Sodium | 54 | 20 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2010-01-05
Frequently asked questions
- What is Steven Jaharis's NPI number?
- Steven Jaharis's National Provider Identifier (NPI) is 1538105861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Jaharis's specialty?
- Steven Jaharis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Jaharis located?
- Steven Jaharis's practice location on file with NPPES is 750 Green Bay Rd, Winnetka, IL 60093-1938.
- What is Steven Jaharis's phone number?
- The practice phone number listed in the NPPES registry for Steven Jaharis is (847) 446-0202.
- Does Steven Jaharis accept Medicare?
- Steven Jaharis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Jaharis's NPI active?
- Yes — Steven Jaharis's NPI (1538105861) is active in the NPPES registry as of the last update on 2010-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.