Joseph Karas, DO
NPI 1649629643 · Family Medicine Physician · Lake Zurich, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Karas, DO is a Family Medicine Physician provider in Lake Zurich, IL (NPI 1649629643).
Provider details
- NPI number
- 1649629643
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 125068101 (IL)
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
10 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
1,757 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 435 | $130 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 424 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 295 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 167 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 141 | $94 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 438 | 135 |
| Rosuvastatin Calcium | 190 | 67 |
| Losartan Potassium | 167 | 48 |
| Lisinopril | 160 | 47 |
| Levothyroxine Sodium | 152 | 40 |
| Metoprolol Succinate | 142 | 49 |
| Amlodipine Besylate |
Practice location
Mailing address
Additional practice locations (1)
- 1301 S Barrington RdBarrington, IL 60010-5276Phone: (847) 620-4572Fax: (847) 620-4535
Registry dates
- Enumerated
- 2016-06-09
- Last updated
- 2025-04-07
- Certified
- 2025-04-07
Frequently asked questions
- What is Joseph Karas's NPI number?
- Joseph Karas's National Provider Identifier (NPI) is 1649629643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Karas's specialty?
- Joseph Karas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Karas located?
- Joseph Karas's practice location on file with NPPES is 350 Surryse Rd Ste 100, Lake Zurich, IL 60047-3217.
- What is Joseph Karas's phone number?
- The practice phone number listed in the NPPES registry for Joseph Karas is (847) 438-2144.
- Does Joseph Karas accept Medicare?
- Joseph Karas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Karas's NPI active?
- Yes — Joseph Karas's NPI (1649629643) is active in the NPPES registry as of the last update on 2025-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.