Dr. William G. Clark, MD
- Medicare services, 2024
- 688
- Medicare patients, 2024
- 464
- Part D claims, 2024
- 354
- Hospital affiliations
- 3
- Industry payments
- $62
- Practice address
- 4040 Embassy Pkwy, Akron, OH 44333
- Practice phone
- Call (330) 375-3369
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summa Emergency Associates
Akron, Ohio
Find Dr. Clark's professional email, personal email and mobile number
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Dr. William G. Clark is an emergency medicine physician in Akron, Ohio
Dr. Clark practices at Summa Emergency Associates in Akron, Ohio.
Dr. Clark's NPI, 1134195241, was assigned on February 28, 2006. Dr. Clark graduated from University of Toledo College of Medicine in 1996. Dr. Clark holds Ohio license 35067146.
- NPI
- 1134195241NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012905565
- NPI enumeration date
- February 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 375-3369
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William G. Clark practices at Summa Emergency Associates in Akron, Ohio
Dr. Clark's primary practice is Summa Emergency Associates, at 4040 Embassy Pkwy, Akron, OH 44333 in Summit County. The practice phone is (330) 375-3369.
- Summa Emergency Associates4040 Embassy Pkwy, Akron, OH 44333 · Summit CountyPhone(330) 375-3369
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William G. Clark is affiliated with 4 sites of care and 5 medical groups
Dr. Clark's primary practice is Summa Emergency Associates in Akron, Ohio. Dr. Clark is also affiliated with Aultman Hospital. The medical group on file is Academic & Community Emergency Specialists. Dmand AI also links Dr. Clark to 2 more hospitals and 4 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William G. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summa Emergency Associates | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William G. Clark is one of 2,401 emergency medicine physicians in Ohio
Emergency medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Clark is licensed in Ohio.
Specialties and state licenses
- Emergency medicine, OhioPrimary
Emergency medicine physicians near Dr. Clark
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. William G. Clark billed Medicare for 688 services in 2024
CMS data shows 688 Medicare services from Dr. Clark across 6 procedure codes in 2024, for 464 Medicare patients. Medicare paid $53,352 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3282024: 48046%
- Tests and treatments
- 2023: 2572024: 20819%
Dr. Clark compared with the Ohio median for emergency medicine physicians, 2024
- Dr. Clark
- Ohio median
- Medicare services
- 688vs 2662.6 times
- Medicare patients
- 464vs 24887% above
- Part D claims
- 227vs 653.5 times
Medians across 2,448 emergency medicine physicians in Ohio with Dmand AI profiles that report each measure.
Dr. Clark'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William G. Clark treated 464 Medicare patients in 2024, average age 73
CMS counts 464 Medicare patients who saw Dr. Clark in 2024. The largest group is 65 to 74, with 154 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.82, 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. Clark's median patient age at 47, with 57% women.
Dr. Clark's Medicare patients by age, 2024
Dr. Clark's Medicare patients by sex, 2024
- Women25455%
- Men21045%
Chronic conditions among Dr. Clark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Anxiety46%
- Mood disorders42%
- Chronic kidney disease38%
- Depression38%
- Ischemic heart disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William G. Clark wrote 354 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 354 Medicare Part D claims for 256 patients. 95% of them were for generic drugs. CMS names the drug for 227 of them, across 9 drugs with 11 or more claims each, at $1,379 in total drug cost. In 2023, CMS named 86 claims across 2 drugs.
Dr. Clark's Part D claims by kind of drug, 2024
- Generic338 claims95%
- Brand-name16 claims5%
Dr. Clark'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. Clark's Part D claims, 2024
- Opioids19%69 of 354 claims
- Antibiotics34%122 of 354 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: 862024: 227164%
Drugs named by CMS: 9 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
How Dr. William G. Clark takes part in Medicare
Dr. Clark accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William G. Clark received $62 in industry payments from 2017 to 2021
CMS Open Payments shows 4 general payments to Dr. Clark from 2 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $42.
General payments to Dr. Clark by program year, 2017 to 2021
Companies that paid Dr. Clark the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William G. Clark graduated from University of Toledo College of Medicine
Dr. Clark graduated from University of Toledo College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William G. Clark'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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 G. Clark
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 G. Clark's NPI number?
Dr. William G. Clark's NPI number is 1134195241. It was assigned on February 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William G. Clark?
Dr. William G. Clark is an emergency medicine physician in Akron, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. William G. Clark practice?
Dr. Clark practices at 4040 Embassy Pkwy, Akron, OH 44333. Dr. Clark's primary practice is Summa Emergency Associates in Akron, Ohio. Dmand AI also links Dr. Clark to 2 hospitals and 4 medical groups.
What is Dr. William G. Clark's office phone number?
The practice phone on file for Dr. Clark is (330) 375-3369.
What is Dr. William G. Clark's medical license number?
Dr. Clark holds Ohio license 35067146.
Which hospitals is Dr. William G. Clark affiliated with?
Dr. Clark is affiliated with Aultman Hospital. Dmand AI links Dr. Clark to 2 more hospitals.
What medical group is Dr. William G. Clark part of?
Dr. Clark is linked to Academic & Community Emergency Specialists. Dmand AI links Dr. Clark to 4 more medical groups.
Does Dr. William G. Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 688 services in 2024, and Dr. Clark accepts Medicare assignment.
How many Medicare patients does Dr. William G. Clark see?
CMS counts 464 Medicare patients who saw Dr. Clark in 2024, with an average age of 73.
What services does Dr. William G. Clark bill to Medicare?
In 2024, Dr. Clark's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. William G. Clark go to medical school?
Dr. Clark graduated from University of Toledo College of Medicine in 1996.
What drugs does Dr. William G. Clark prescribe most?
In 2024 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cephalexin and Doxycycline Hyclate.
Has Dr. William G. Clark received payments from drug or device companies?
CMS Open Payments shows $62 in general payments to Dr. Clark from 2 companies from 2017 to 2021. The largest total came from Pfizer Inc.
How long has Dr. William G. Clark been practicing?
Dr. Clark graduated from medical school in 1996, 30 years ago.
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