William Christopher Williams, PA-C
- Medicare services, 2024
- 10,454
- Medicare patients, 2024
- 1,070
- Part D claims, 2024
- 7,873
- Hospital affiliations
- 3
- Industry payments
- $1,803
- Practice address
- 1910 Roseland Blvd, Tyler, TX 75701
- Practice phone
- Call (903) 533-0644
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tyler Internal Medicine
Mammography / Breast Imaging Center · Tyler, Texas
Find William 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.
William Christopher Williams is a physician assistant in Tyler, Texas
William Williams practices at Tyler Internal Medicine in Tyler, Texas.
William Williams' NPI, 1093814949, was assigned on September 21, 2006. William Williams graduated from Texas Tech University Health Science Center School of Medicine in 2001. William Williams holds Texas license PA03260.
- NPI
- 1093814949NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123076726
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (903) 533-0644
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Christopher Williams practices at Tyler Internal Medicine in Tyler, Texas
William Williams' primary practice is Tyler Internal Medicine, at 1910 Roseland Blvd, Tyler, TX 75701. The practice phone is (903) 533-0644.
- Tyler Internal Medicine1910 Roseland Blvd, Tyler, TX 75701Phone(903) 533-0644
Source: Dmand AI Affiliation Data
William Christopher Williams is affiliated with 9 sites of care and 1 medical group
William Williams' primary practice is Tyler Internal Medicine in Tyler, Texas. William Williams is also affiliated with CHRISTUS Mother Frances Hospital - Tyler. The medical group on file is Tyler Internal Medicine Associates. Dmand AI also links William Williams to 2 more hospitals, 4 home health agencies and 1 group practice or clinic, each named with a free account. William Williams' employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Christopher Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Williams practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tyler Internal Medicine | Available with a free account |
| +8 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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William Christopher Williams is one of 8,663 physician assistants in Texas
Physician assistant is William Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Williams is board certified in gastroenterology by the American Board of Internal Medicine. William Williams is licensed in Texas.
Specialties and state licenses
- Physician assistant, TexasPrimary
Clinical focus
Dmand AI lists acute skin infection, ADHD, anxiety, asthma, chronic nasal allergies, chronic obstructive pulmonary disease (COPD), conjunctivitis and depression among the conditions William Williams treats.
Physician assistants near William Williams
Counts of physician assistants 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
William Christopher Williams billed Medicare for 10,454 services in 2024
CMS data shows 10,454 Medicare services from William Williams across 47 procedure codes in 2024, for 1,070 Medicare patients. Medicare paid $400,142 for them.
William Williams' Medicare services by type, 2024
- Office and hospital visits6,098
- Lab and pathology2,901
- Drugs given in the office555
- Surgery289
- Other services271
- Tests and treatments237
- Imaging103
Where William Williams' Medicare services took place, 2024
- In an office5,64654%
- In a facility4,80846%
William Williams compared with the Texas median for physician assistants, 2024
- William Williams
- Texas median
- Medicare services
- 10,454vs 22945.7 times
- Medicare patients
- 1,070vs 9910.8 times
- Part D claims
- 7,207vs 29624.3 times
Medians across 5,541 physician assistants in Texas with Dmand AI profiles that report each measure.
William 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 William Williams and other physician assistants in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William Christopher Williams treated 1,070 Medicare patients in 2024, average age 78
CMS counts 1,070 Medicare patients who saw William Williams in 2024. The largest group is 75 to 84, with 433 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Williams' median patient age at 75, with 51% women.
William Williams' Medicare patients by age, 2024
William Williams' Medicare patients by sex, 2024
- Women56353%
- Men50747%
Chronic conditions among William Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease50%
- Diabetes43%
- Mood disorders40%
- Depression39%
- Anxiety38%
Share of Medicare patients with each condition. A patient can have several.
William Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Christopher Williams wrote 7,873 Medicare Part D claims in 2024
In 2024, William Williams wrote 7,873 Medicare Part D claims for 935 patients. 85% of them were for generic drugs. CMS names the drug for 7,207 of them, across 121 drugs with 11 or more claims each, at $841,604 in total drug cost.
William Williams' Part D claims by kind of drug, 2024
- Generic6,673 claims85%
- Brand-name1,166 claims15%
- Other34 claims0%
William 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 William Williams' Part D claims, 2024
- Opioids5%384 of 7,873 claims
- Antibiotics7%522 of 7,873 claims
- Antipsychotics, patients 65 and over1%78 of 7,873 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 William Christopher Williams takes part in Medicare
William Williams 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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William Christopher Williams received $1,803 in industry payments from 2024 to 2025
CMS Open Payments shows 117 general payments to William Williams from 17 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $539.
General payments to William Williams by program year, 2024 to 2025
General payments to William Williams by kind, 2024 to 2025
- Food and beverage$1,70394%
- Education$1006%
Companies that paid William Williams the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Christopher Williams graduated from Texas Tech University Health Science Center School of Medicine
William Williams graduated from Texas Tech University Health Science Center School of Medicine in 2001. William Williams is a member of AAPA and ACP.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for William Christopher 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 William Christopher 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 William Christopher Williams' NPI number?
William Christopher Williams' NPI number is 1093814949. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What does William Christopher Williams specialize in?
William Christopher Williams is a physician assistant in Tyler, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William Christopher Williams practice?
William Williams practices at 1910 Roseland Blvd, Tyler, TX 75701. William Williams' primary practice is Tyler Internal Medicine in Tyler, Texas. Dmand AI also links William Williams to 2 hospitals, 4 home health agencies and 1 group practice or clinic.
What is William Christopher Williams' office phone number?
The practice phone on file for William Williams is (903) 533-0644.
What is William Christopher Williams' medical license number?
William Williams holds Texas license PA03260.
Which hospitals is William Christopher Williams affiliated with?
William Williams is affiliated with CHRISTUS Mother Frances Hospital - Tyler. Dmand AI links William Williams to 2 more hospitals.
What medical group is William Christopher Williams part of?
William Williams is linked to Tyler Internal Medicine Associates.
Does William Christopher Williams accept Medicare?
Yes. CMS data shows William Williams billed Medicare for 10,454 services in 2024, and William Williams accepts Medicare assignment.
How many Medicare patients does William Christopher Williams see?
CMS counts 1,070 Medicare patients who saw William Williams in 2024, with an average age of 78.
Is William Christopher Williams board certified?
Yes. William Williams is board certified in gastroenterology by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
What services does William Christopher Williams bill to Medicare?
In 2024, William Williams' most billed Medicare services were nursing facility care (99308), office visit, established patient (99214) and office visit, established patient (99213).
Where did William Christopher Williams go to medical school?
William Williams graduated from Texas Tech University Health Science Center School of Medicine in 2001.
What drugs does William Christopher Williams prescribe most?
In 2024 Medicare Part D data, William Williams' most prescribed drugs by claims were Alprazolam, Rosuvastatin Calcium and Levothyroxine Sodium.
Has William Christopher Williams received payments from drug or device companies?
CMS Open Payments shows $1,803 in general payments to William Williams from 17 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has William Christopher Williams been practicing?
William Williams graduated from medical school in 2001, 25 years ago.
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