Christopher Patrick O'Hara, MD
Critical Care Medicine (Internal Medicine) Physician · McHenry, IL
Christopher Patrick O'Hara, MD is a critical care medicine (internal medicine) physician with a practice address in McHenry, Illinois, and NPI 1679032593, issued on Mar 19, 2019. Check the license (Illinois 036161898, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Christopher Patrick O'Hara
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 036161898 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4201 W Medical Center Dr, McHenry, IL 60050
- Phone
- (815) 759-4530
- Enumerated
- Mar 19, 2019
- Record last updated
- Aug 6, 2025
- Fax
- (815) 759-8053
- Medicare enrollment
- Enrolled (PECOS I20221110000042); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 281 in Illinois → Look up another NPI →
Also registered at 4201 W Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elias AbousaadInternal Medicine Physician1952751877
- Kimberly Ackert, PA-CPhysician Assistant1538172739
- Van AliEmergency Medicine Physician1457674582
- Wasfia Alikhan, M.D.Diagnostic Radiology Physician1902291834
- Yasser Almadani, MDStudent in an Organized Health Care Education/Training Program1881497634
- Altaf Aman, M.D.Hospitalist Physician1942381132
Verify Christopher Patrick O'Hara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036161898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
102 Medicare Part D claims for 23 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Albuterol Sulfate Hfa22 claims
- Trelegy Ellipta13 claims
- Wixela Inhub12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $703.19
13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Central Dupage Physician GroupMcHenry, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Patrick O'Hara among 281 critical care medicine (internal medicine) physician records in Illinois
Christopher Patrick O'Hara, MD is one of 281 critical care medicine (internal medicine) physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 7% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2019 · median 2008 among the 226 with a school on file
- Record last updated2025 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Illinois
There are 281 critical care medicine (internal medicine) physician records in Illinois.
All 281 in Illinois → Every provider in McHenry → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Sameh Attia, M.D.McHenry, IL 600501396085700
- Jawad Hussain, M.DMcHenry, IL 600501154620771
- Ahmad Jarrar, MDMcHenry, IL 600501790280196
- Jeffrey Kurrus, MDMcHenry, IL 600501275561045
- Amin Ur-Rehman Nadeem, MDMcHenry, IL 600501598823601
- Joshua Santoli, MDMcHenry, IL 600501790313492
- Laeeq Shamsuddin, MDMcHenry, IL 600501568524312
- Piotr Wojdyla, M.D.McHenry, IL 600501750327961
Common questions
What is Christopher Patrick O'Hara, MD's NPI number?
Christopher Patrick O'Hara, MD's National Provider Identifier (NPI) is 1679032593, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Patrick O'Hara, MD located?
The NPPES record lists a practice address at 4201 W Medical Center Dr, McHenry, IL, 60050. Phone: (815) 759-4530. Providers update this record themselves, so call before visiting.
How can I verify Christopher Patrick O'Hara, MD's license?
NPPES lists Illinois license number 036161898, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Patrick O'Hara, MD prescribe under Medicare Part D?
In 2024, Christopher Patrick O'Hara, MD had 102 Medicare Part D claims for 23 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Christopher Patrick O'Hara, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.