Dr. William Parker Marks Jr., MD
- Medicare services, 2021
- 847
- Part D claims, 2022
- 194
- Industry payments
- $4,414
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 125 Oakside Ct Suite 102 Suite 102, Canton, GA 30114
- Practice phone
- Call (678) 880-0662
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Etowah Eye Clinic
Physician office · Canton, Georgia
Find Dr. Marks' 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. William Parker Marks Jr. is an ophthalmologist in Canton, Georgia
Dr. Marks practices at Etowah Eye Clinic in Canton, Georgia.
Dr. Marks' NPI, 1356337448, was assigned on September 23, 2005. Dr. Marks holds Georgia license 030829.
- NPI
- 1356337448NPI Registry (opens in a new tab)
- NPI enumeration date
- September 23, 2005
- NPI status
- Active
- Practice phone
- (678) 880-0662
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William Parker Marks Jr. practices at Etowah Eye Clinic in Canton, Georgia
Dr. Marks' primary practice is Etowah Eye Clinic, at 125 Oakside Ct Suite 102 Suite 102, Canton, GA 30114. The practice phone is (678) 880-0662.
- Etowah Eye Clinic125 Oakside Ct Suite 102 Suite 102, Canton, GA 30114Phone(678) 880-0662
Source: Dmand AI Affiliation Data
Dr. William Parker Marks Jr. is affiliated with 1 site of care and 1 medical group
Dr. Marks' primary practice is Etowah Eye Clinic in Canton, Georgia. Dmand AI also links Dr. Marks to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Parker Marks Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marks practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Etowah Eye Clinic | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Parker Marks Jr. is one of 484 ophthalmologists in Georgia
Ophthalmology is Dr. Marks' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Marks is licensed in Georgia.
Specialties and state licenses
- Ophthalmology, GeorgiaPrimary
Ophthalmologists near Dr. Marks
Counts of ophthalmologists 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 Parker Marks Jr. billed Medicare for 847 services in 2021
CMS data shows 847 Medicare services from Dr. Marks across 9 procedure codes in 2021. Medicare paid $40,710 for them. Every service was in an office.
Dr. Marks' Medicare services by type, 2020 to 2021
- 2020
- 2021
- Tests and treatments
- 2020: 1,6612021: 56966%
- Office and hospital visits
- 2020: 4142021: 27833%
- Surgery
- 2020: 392021: 0100%
Dr. Marks compared with the Georgia median for ophthalmologists, 2021
- Dr. Marks
- Georgia median
- Medicare services
- 847vs 1,58647% below
- Part D claims
- 194vs 89178% below
Medians across 477 ophthalmologists in Georgia with Dmand AI profiles that report each measure.
Dr. Marks' most billed Medicare procedure codes, 2021
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. Marks?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marks and other ophthalmologists in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Parker Marks Jr.'s patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Marks' median patient age at 80, with 55% women.
Dr. Marks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. William Parker Marks Jr. wrote 194 Medicare Part D claims in 2022
In 2022, Dr. Marks wrote 194 Medicare Part D claims. They cover 4 drugs, with $5,257 in total drug cost. In 2021, CMS named 1,542 claims across 16 drugs.
Dr. Marks' most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1,5422022: 19487%
Drugs named by CMS: 4 in 2022, 16 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. William Parker Marks Jr. received $4,414 in industry payments from 2016 to 2025
CMS Open Payments shows 40 general payments to Dr. Marks from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $795.
General payments to Dr. Marks by program year, 2016 to 2025
Companies that paid Dr. Marks the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Parker Marks Jr.'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Parker Marks Jr.
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 Parker Marks Jr.'s NPI number?
Dr. William Parker Marks Jr.'s NPI number is 1356337448. It was assigned on September 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William Parker Marks Jr.?
Dr. William Parker Marks Jr. is an ophthalmologist in Canton, Georgia. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William Parker Marks Jr. practice?
Dr. Marks practices at 125 Oakside Ct Suite 102 Suite 102, Canton, GA 30114. Dr. Marks' primary practice is Etowah Eye Clinic in Canton, Georgia. Dmand AI also links Dr. Marks to 1 medical group.
What is Dr. William Parker Marks Jr.'s office phone number?
The practice phone on file for Dr. Marks is (678) 880-0662.
What is Dr. William Parker Marks Jr.'s medical license number?
Dr. Marks holds Georgia license 030829.
Does Dr. William Parker Marks Jr. accept Medicare?
Yes. CMS data shows Dr. Marks billed Medicare for 847 services in 2021.
What services does Dr. William Parker Marks Jr. bill to Medicare?
In 2021, Dr. Marks' most billed Medicare services were eye exam or test (92020), office visit, established patient (99214) and eye exam or test (92014).
What drugs does Dr. William Parker Marks Jr. prescribe most?
In 2022 Medicare Part D data, Dr. Marks' most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.
Has Dr. William Parker Marks Jr. received payments from drug or device companies?
CMS Open Payments shows $4,414 in general payments to Dr. Marks from 19 companies from 2016 to 2025. The largest total came from Shire North American Group Inc.
How long has Dr. William Parker Marks Jr. been practicing?
Dr. Marks' NPI was assigned in 2005.
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