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Dr. William C. Park, MD
NPI1942458237PAC ID4385708395
- Medicare services, 2024
- 1,117
- Medicare patients, 2024
- 375
- Part D claims, 2024
- 649
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 1300 N Highland Ave Ste 1 Suite 1, Aurora, IL 60506
- Practice phone
- Call (630) 897-5104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aurora Eye Clinic
Eye care practice · Aurora, Illinois
Find Dr. Park's professional email, personal email and mobile number
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Dr. William C. Park is an ophthalmologist in Aurora, Illinois
Dr. Park practices at Aurora Eye Clinic in Aurora, Illinois.
Dr. Park's NPI, 1942458237, was assigned on August 29, 2008. Dr. Park graduated from Loyola University of Chicago, Stritch School of Medicine in 2008. Dr. Park holds Illinois license 036.121758.
NPI and contact details
- NPI
- 1942458237NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385708395
- NPI enumeration date
- August 29, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 897-5104
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William C. Park practices at Aurora Eye Clinic in Aurora, Illinois
Dr. Park's primary practice is Aurora Eye Clinic, at 1300 N Highland Ave Ste 1 Suite 1, Aurora, IL 60506. The practice phone is (630) 897-5104.
- Aurora Eye Clinic1300 N Highland Ave Ste 1 Suite 1, Aurora, IL 60506Phone(630) 897-5104
Source: Dmand AI Affiliation Data
Dr. William C. Park is affiliated with 2 sites of care and 1 medical group
Dr. Park's primary practice is Aurora Eye Clinic in Aurora, Illinois. Dr. Park is also affiliated with Mercy Medical Center. Dmand AI also links Dr. Park to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William C. Park's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Park practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aurora Eye Clinic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William C. Park is one of 692 ophthalmologists in Illinois
Ophthalmology is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Park is licensed in Illinois.
Specialties and state licenses
- Ophthalmology, IllinoisPrimary
Ophthalmologists near Dr. Park
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
692ophthalmologists in Illinois
8ophthalmologists in Aurora
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William C. Park billed Medicare for 1,117 services in 2024
CMS data shows 1,117 Medicare services from Dr. Park across 11 procedure codes in 2024, for 375 Medicare patients. Medicare paid $85,788 for them.
Medicare services, 20241,117
Medicare patients375
Paid by Medicare$85,788
Procedure codes11
Dr. Park's Medicare services by type, 2024
- Tests and treatments820
- Surgery297
Where Dr. Park's Medicare services took place, 2024
- In an office86477%
- In a facility25323%
Dr. Park compared with the Illinois median for ophthalmologists, 2024
- Dr. Park
- Illinois median
- Medicare services
- 1,117vs 1,54428% below
- Medicare patients
- 375vs 57735% below
- Part D claims
- 576vs 582Close to median
Medians across 710 ophthalmologists in Illinois with Dmand AI profiles that report each measure.
Dr. Park'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.
Need commercial claims for Dr. Park?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Park and other ophthalmologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William C. Park treated 375 Medicare patients in 2024, average age 74
CMS counts 375 Medicare patients who saw Dr. Park in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Park's median patient age at 68, with 57% women.
Medicare patients, 2024375
Average age74
Average risk score1.45
Also on Medicaid22%
Dr. Park's Medicare patients by age, 2024
Dr. Park's Medicare patients by sex, 2024
- Women20956%
- Men16644%
Chronic conditions among Dr. Park's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis48%
- Diabetes38%
- Mood disorders27%
- Chronic kidney disease25%
- Ischemic heart disease25%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Park's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William C. Park wrote 649 Medicare Part D claims in 2024
In 2024, Dr. Park wrote 649 Medicare Part D claims for 194 patients. 59% of them were for generic drugs. CMS names the drug for 576 of them, across 8 drugs with 11 or more claims each, at $24,128 in total drug cost. In 2016, CMS named 89 claims across 5 drugs.
Part D claims, 2024649
Drugs named by CMS8
Total drug cost$24,128
Part D patients194
Dr. Park's Part D claims by kind of drug, 2024
- Generic385 claims59%
- Brand-name264 claims41%
Dr. Park'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.
Part D claims for drugs CMS names, 2016 to 2024
- 2016
- 2024
- Claims for drugs CMS names
- 2016: 892024: 576547%
Drugs named by CMS: 8 in 2024, 5 in 2016.
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. William C. Park scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Park for performance year 2024, reported individually. Dr. Park accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 331 procedures of cataract surgery by Dr. Park, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Park's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 0of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Park ranks in Medicare procedure volume
- Cataract surgery
- 91st percentile331 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William C. Park has 1 publication on record
Dmand AI links 1 paper to Dr. Park in 2014.
Papers1
Recent publications by Dr. Park
See who Dr. Park researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Park works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William C. Park received $3,236 in industry payments from 2017 to 2025
CMS Open Payments shows 83 general payments to Dr. Park from 23 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 63% of the total. Biohaven Pharmaceuticals, Inc. paid the most, $1,200.
General payments to Dr. Park by program year, 2017 to 2025
General payments to Dr. Park by kind, 2017 to 2025
$3.2Kin total
- Food and beverage$2,03663%
- Consulting fees$1,20037%
Companies that paid Dr. Park the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William C. Park graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Park graduated from Loyola University of Chicago, Stritch School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William C. Park'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 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. William C. Park
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. William C. Park's NPI number?
Dr. William C. Park's NPI number is 1942458237. It was assigned on August 29, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. William C. Park?
Dr. William C. Park is an ophthalmologist in Aurora, Illinois. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William C. Park practice?
Dr. Park practices at 1300 N Highland Ave Ste 1 Suite 1, Aurora, IL 60506. Dr. Park's primary practice is Aurora Eye Clinic in Aurora, Illinois. Dmand AI also links Dr. Park to 1 medical group.
What is Dr. William C. Park's office phone number?
The practice phone on file for Dr. Park is (630) 897-5104.
What is Dr. William C. Park's medical license number?
Dr. Park holds Illinois license 036.121758.
Which hospitals is Dr. William C. Park affiliated with?
Dr. Park is affiliated with Mercy Medical Center.
Does Dr. William C. Park accept Medicare?
Yes. CMS data shows Dr. Park billed Medicare for 1,117 services in 2024, and Dr. Park accepts Medicare assignment.
What is Dr. William C. Park's MIPS score?
Dr. Park's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. William C. Park see?
CMS counts 375 Medicare patients who saw Dr. Park in 2024, with an average age of 74.
What services does Dr. William C. Park bill to Medicare?
In 2024, Dr. Park's most billed Medicare services were surgery: eye (66984), eye exam or test (92012) and eye exam or test (92004).
Show 5 more questionsShow fewer questions
Where did Dr. William C. Park go to medical school?
Dr. Park graduated from Loyola University of Chicago, Stritch School of Medicine in 2008.
What drugs does Dr. William C. Park prescribe most?
In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Ketorolac Tromethamine.
Has Dr. William C. Park received payments from drug or device companies?
CMS Open Payments shows $3,236 in general payments to Dr. Park from 23 companies from 2017 to 2025. The largest total came from Biohaven Pharmaceuticals, Inc.
How long has Dr. William C. Park been practicing?
Dr. Park graduated from medical school in 2008, 18 years ago.
Does Dr. William C. Park do research?
Dmand AI links 1 publication to Dr. Park.
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