Dr. Mark E. Williams, MD
- Medicare services, 2024
- 152
- Medicare patients, 2026
- 116
- Part D claims, 2026
- 42
- Industry payments
- $16,639
- Medical groups
- 2
- Practice address
- 1500 N James St, Rome, NY 13440
- Practice phone
- Call (315) 337-1200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rome Memorial Hospital
Rome, New York
Find Dr. Williams' 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. Mark E. Williams is a general surgeon in Rome, New York
Dr. Williams practices at Rome Memorial Hospital in Rome, New York.
Dr. Williams' NPI, 1710971866, was assigned on September 6, 2005. Dr. Williams graduated from State University of NY Upstate Medical University in 1993. Dr. Williams holds New York license 202473.
- NPI
- 1710971866NPI Registry (opens in a new tab)
- NPI enumeration date
- September 6, 2005
- NPI status
- Active
- Practice phone
- (315) 337-1200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mark E. Williams practices at Rome Memorial Hospital in Rome, New York
Dr. Williams' primary practice is Rome Memorial Hospital, at 1500 N James St, Rome, NY 13440 in Oneida County. The practice phone is (315) 337-1200.
- Rome Memorial Hospital1500 N James St, Rome, NY 13440 · Oneida CountyPhone(315) 337-1200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark E. Williams is affiliated with 1 site of care and 2 medical groups
Dr. Williams' primary practice is Rome Memorial Hospital in Rome, New York. The medical group on file is Mohawk Valley Health System. Dmand AI also links Dr. Williams to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark E. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rome Memorial Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark E. Williams is one of 1,604 general surgeons in New York
Surgery is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Williams is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Williams
Counts of general surgeons 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. Mark E. Williams billed Medicare for 152 services in 2024
CMS data shows 152 Medicare services from Dr. Williams across 6 procedure codes in 2024, for 116 Medicare patients. Medicare paid $10,001 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1102024: 15238%
Dr. Williams compared with the New York median for general surgeons, 2024
- Dr. Williams
- New York median
- Medicare services
- 152vs 154Close to median
- Medicare patients
- 116vs 1096% above
- Part D claims
- 12vs 2450% below
Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.
Dr. Williams' 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. Williams and other general surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark E. Williams treated 116 Medicare patients in 2026, average age 72
CMS counts 116 Medicare patients who saw Dr. Williams in 2026. The largest group is 65 to 74, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 66, with 86% women.
Dr. Williams' Medicare patients by age, 2026
Dr. Williams' Medicare patients by sex, 2026
- Women7060%
- Men4640%
Chronic conditions among Dr. Williams' Medicare patients, 2026
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Anxiety37%
- COPD36%
- Cancer33%
- Mood disorders30%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women86%
- Men14%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Mark E. Williams wrote 42 Medicare Part D claims in 2026
In 2026, Dr. Williams wrote 42 Medicare Part D claims for 34 patients. 93% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $31 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Williams' Part D claims by kind of drug, 2026
- Generic39 claims93%
- Brand-name and other3 claims7%
Dr. Williams' 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. Williams' Part D claims, 2026
- Opioids38%16 of 42 claims
- Antibiotics40%17 of 42 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: 152024: 1220%
Drugs named by CMS: 1 in 2024, 1 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), 2026 data
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Dr. Mark E. Williams received $16,639 in industry payments from 2016 to 2024
CMS Open Payments shows 89 general payments to Dr. Williams from 24 drug and device companies from 2016 to 2024. Education make up the largest share, 42% of the total. Intuitive Surgical, Inc. paid the most, $9,172.
General payments to Dr. Williams by program year, 2016 to 2024
General payments to Dr. Williams by kind, 2016 to 2024
- Education$7,00242%
- Honoraria$6,16037%
- Travel and lodging$1,88911%
- Food and beverage$1,58810%
Companies that paid Dr. Williams the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark E. Williams graduated from State University of NY Upstate Medical University
Dr. Williams graduated from State University of NY Upstate Medical University in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark E. Williams'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 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) |
| 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. Mark E. Williams
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. Mark E. Williams' NPI number?
Dr. Mark E. Williams' NPI number is 1710971866. It was assigned on September 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark E. Williams?
Dr. Mark E. Williams is a general surgeon in Rome, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mark E. Williams practice?
Dr. Williams practices at 1500 N James St, Rome, NY 13440. Dr. Williams' primary practice is Rome Memorial Hospital in Rome, New York. Dmand AI also links Dr. Williams to 1 medical group, and a free account names each one.
What is Dr. Mark E. Williams' office phone number?
The practice phone on file for Dr. Williams is (315) 337-1200. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Mark E. Williams' email address?
Dmand AI checks professional and personal email addresses for Dr. Williams through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Mark E. Williams' medical license number?
Dr. Williams holds New York license 202473.
What medical group is Dr. Mark E. Williams part of?
Dr. Williams is linked to Mohawk Valley Health System. Dmand AI links Dr. Williams to 1 more medical group, named with a free account.
Who does Dr. Mark E. Williams practice with?
Dmand AI links 390 HCPs to Dr. Williams' primary medical group, 17 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. Mark E. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 152 services in 2024.
How many Medicare patients does Dr. Mark E. Williams see?
CMS counts 116 Medicare patients who saw Dr. Williams in 2026, with an average age of 72.
Show 6 more questionsShow fewer questions
What services does Dr. Mark E. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Mark E. Williams go to medical school?
Dr. Williams graduated from State University of NY Upstate Medical University in 1993.
What drugs does Dr. Mark E. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Mark E. Williams received payments from drug or device companies?
CMS Open Payments shows $16,639 in general payments to Dr. Williams from 24 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mark E. Williams been practicing?
Dr. Williams graduated from medical school in 1993, 33 years ago.
What EHR does Dr. Mark E. Williams' practice use?
Dmand AI tracks the EHR system at Rome Memorial Hospital and at 1 medical group. The vendor and product are available with a free Dmand AI account.
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