Olga Zarkh, MD
NPI 1043282320 · Internal Medicine Physician · Buffalo Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olga Zarkh, MD is a Internal Medicine Physician provider in Buffalo Grove, IL (NPI 1043282320).
Provider details
- NPI number
- 1043282320
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 36-109468 (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
5,582 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) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 865 | $22 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 706 | $25 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 687 | $20 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 676 | $124 |
| Therapy Procedure Using Functional Activities97530 | 673 | $36 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 163 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 445 | 44 |
| Rosuvastatin Calcium | 304 | 61 |
| Amlodipine Besylate | 269 | 57 |
| Metoprolol Succinate | 235 | 41 |
| Atorvastatin Calcium | 219 | 40 |
| Lisinopril | 176 | 36 |
| Diclofenac Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2024-01-18
- Certified
- 2024-01-18
Frequently asked questions
- What is Olga Zarkh's NPI number?
- Olga Zarkh's National Provider Identifier (NPI) is 1043282320, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olga Zarkh's specialty?
- Olga Zarkh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Olga Zarkh located?
- Olga Zarkh's practice location on file with NPPES is 135 N Arlington Heights Rd Ste 160, Buffalo Grove, IL 60089-8216.
- What is Olga Zarkh's phone number?
- The practice phone number listed in the NPPES registry for Olga Zarkh is (847) 818-7700.
- Does Olga Zarkh accept Medicare?
- Olga Zarkh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olga Zarkh's NPI active?
- Yes — Olga Zarkh's NPI (1043282320) is active in the NPPES registry as of the last update on 2024-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.