Dr. Olga K. Sarnov, MD
- Medicare services, 2024
- 263
- Medicare patients, 2024
- 251
- Part D claims, 2024
- 103
- MIPS score, 2024
- 95
- Hospital affiliations
- 3
- Practice address
- 4201 Medical Center Drive, Mchenry, IL 60050
- Practice phone
- Call (815) 344-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sarnov's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Olga K. Sarnov is an emergency medicine physician in Mchenry, Illinois
Dr. Sarnov practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare.
Dr. Sarnov's NPI, 1457396566, was assigned on June 20, 2006. Dr. Sarnov graduated from Northwestern University Feinberg Medical School in 2002.
- NPI
- 1457396566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002848678
- NPI enumeration date
- June 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (815) 344-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Olga K. Sarnov practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois
Dr. Sarnov's primary practice is Northwestern Medicine McHenry Hospital, at 4201 Medical Center Drive, Mchenry, IL 60050 in Mc Henry County. The practice phone is (815) 344-5000.
- Northwestern Medicine McHenry Hospital4201 Medical Center Drive, Mchenry, IL 60050 · Mc Henry CountyPhone(815) 344-5000
Source: Dmand AI Affiliation Data
Dr. Olga K. Sarnov is affiliated with 3 sites of care and 1 medical group
Dr. Sarnov's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dr. Sarnov is also affiliated with Northwest Community Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Sarnov to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Olga K. Sarnov's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sarnov practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medicine McHenry Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Olga K. Sarnov is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Sarnov's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sarnov has a license on file in Illinois.
Specialties and state licenses
- Emergency medicine, Illinois
Emergency medicine physicians near Dr. Sarnov
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Olga K. Sarnov billed Medicare for 263 services in 2024
CMS data shows 263 Medicare services from Dr. Sarnov across 3 procedure codes in 2024, for 251 Medicare patients. Medicare paid $33,533 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sarnov's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3172024: 26317%
Dr. Sarnov compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Sarnov
- Illinois median
- Medicare services
- 263vs 274Close to median
- Medicare patients
- 251vs 2738% below
- Part D claims
- 15vs 4567% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Sarnov's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sarnov and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Olga K. Sarnov treated 251 Medicare patients in 2024, average age 75
CMS counts 251 Medicare patients who saw Dr. Sarnov in 2024. The largest group is 75 to 84, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sarnov's median patient age at 71, with 55% women.
Dr. Sarnov's Medicare patients by age, 2024
Dr. Sarnov's Medicare patients by sex, 2024
- Women13052%
- Men12148%
Chronic conditions among Dr. Sarnov's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Ischemic heart disease55%
- Anxiety49%
- Chronic kidney disease43%
- Diabetes43%
- Heart failure41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sarnov's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Olga K. Sarnov wrote 103 Medicare Part D claims in 2024
In 2024, Dr. Sarnov wrote 103 Medicare Part D claims for 64 patients. 86% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $85 in total drug cost. In 2023, CMS named 24 claims across 2 drugs.
Dr. Sarnov's Part D claims by kind of drug, 2024
- Generic89 claims86%
- Brand-name14 claims14%
Dr. Sarnov's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sarnov's Part D claims, 2024
- Antibiotics30%31 of 103 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 242024: 1538%
Drugs named by CMS: 1 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Olga K. Sarnov scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Sarnov for performance year 2024, reported through an alternative payment model (APM). Dr. Sarnov accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Sarnov's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Olga K. Sarnov received $22 in industry payments from 2018 to 2020
CMS Open Payments shows 2 general payments to Dr. Sarnov from 2 drug and device companies from 2018 to 2020. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $11.
General payments to Dr. Sarnov by program year, 2018 to 2020
Companies that paid Dr. Sarnov the most, 2018 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Olga K. Sarnov graduated from Northwestern University Feinberg Medical School
Dr. Sarnov graduated from Northwestern University Feinberg Medical School in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Olga K. Sarnov's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Olga K. Sarnov
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Olga K. Sarnov's NPI number?
Dr. Olga K. Sarnov's NPI number is 1457396566. It was assigned on June 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Olga K. Sarnov?
Dr. Olga K. Sarnov is an emergency medicine physician in Mchenry, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Olga K. Sarnov practice?
Dr. Sarnov practices at 4201 Medical Center Drive, Mchenry, IL 60050. Dr. Sarnov's primary practice is Northwestern Medicine McHenry Hospital in Mchenry, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Dr. Sarnov to 1 hospital.
What is Dr. Olga K. Sarnov's office phone number?
The practice phone on file for Dr. Sarnov is (815) 344-5000.
Which hospitals is Dr. Olga K. Sarnov affiliated with?
Dr. Sarnov practices at Northwestern Medicine McHenry Hospital in Mchenry, Illinois. Dr. Sarnov is also affiliated with Northwest Community Hospital. Dmand AI links Dr. Sarnov to 1 more hospital.
What medical group is Dr. Olga K. Sarnov part of?
Dr. Sarnov is linked to Northwestern Medical Faculty Foundation.
Does Dr. Olga K. Sarnov accept Medicare?
Yes. CMS data shows Dr. Sarnov billed Medicare for 263 services in 2024, and Dr. Sarnov accepts Medicare assignment.
What is Dr. Olga K. Sarnov's MIPS score?
Dr. Sarnov's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Olga K. Sarnov see?
CMS counts 251 Medicare patients who saw Dr. Sarnov in 2024, with an average age of 75.
What services does Dr. Olga K. Sarnov bill to Medicare?
In 2024, Dr. Sarnov's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Show 4 more questionsShow fewer questions
Where did Dr. Olga K. Sarnov go to medical school?
Dr. Sarnov graduated from Northwestern University Feinberg Medical School in 2002.
What drugs does Dr. Olga K. Sarnov prescribe most?
In 2024 Medicare Part D data, Dr. Sarnov's most prescribed drugs by claims were Cephalexin.
Has Dr. Olga K. Sarnov received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Dr. Sarnov from 2 companies from 2018 to 2020. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Olga K. Sarnov been practicing?
Dr. Sarnov graduated from medical school in 2002, 24 years ago.
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