Keith Edward Williamson, PA
- Part D claims, 2024
- 1,817
- Industry payments
- $354
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 108 S William Barnett Ave, Cleveland, TX 77327-4542
- Practice phone
- Call (281) 592-9775
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Calvary Medical Clinic
Primary care practice · Cleveland, Texas
Find Keith Williamson's 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.
Keith Edward Williamson is a physician assistant in Cleveland, Texas
Keith Williamson practices at Calvary Medical Clinic in Cleveland, Texas.
Keith Williamson's NPI, 1811196207, was assigned on July 16, 2007. Keith Williamson holds Texas license PA02083.
- NPI
- 1811196207NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810158680
- NPI enumeration date
- July 16, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 592-9775
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Keith Edward Williamson practices at Calvary Medical Clinic in Cleveland, Texas
Keith Williamson's primary practice is Calvary Medical Clinic, at 108 S William Barnett Ave, Cleveland, TX 77327-4542. The practice phone is (281) 592-9775.
- Calvary Medical Clinic108 S William Barnett Ave, Cleveland, TX 77327-4542Phone(281) 592-9775
Source: Dmand AI Affiliation Data
Keith Edward Williamson is affiliated with 1 site of care and 1 medical group
Keith Williamson's primary practice is Calvary Medical Clinic in Cleveland, Texas. The medical group on file is Calvary Medical Clinic.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Keith Edward Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Keith Williamson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Calvary Medical Clinic | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Keith Edward Williamson is one of 8,663 physician assistants in Texas
Physician assistant is Keith Williamson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Keith Williamson is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Keith Williamson is licensed in Texas.
Specialties and state licenses
- Physician assistant, TexasPrimary
Physician assistants near Keith Williamson
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
Keith Edward Williamson's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Keith Williamson's median patient age at 44, with 57% women.
Keith Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Keith Edward Williamson wrote 1,817 Medicare Part D claims in 2024
In 2024, Keith Williamson wrote 1,817 Medicare Part D claims for 323 patients. 85% of them were for generic drugs. CMS names the drug for 1,226 of them, across 43 drugs with 11 or more claims each, at $112,674 in total drug cost.
Keith Williamson's Part D claims by kind of drug, 2024
- Generic1,542 claims85%
- Brand-name and other275 claims15%
Keith Williamson'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 Keith Williamson's Part D claims, 2024
- Opioids1%25 of 1,817 claims
- Antibiotics3%53 of 1,817 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 Keith Edward Williamson takes part in Medicare
Keith Williamson 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Keith Edward Williamson received $354 in industry payments from 2024 to 2025
CMS Open Payments shows 24 general payments to Keith Williamson from 14 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Tris Pharma Inc paid the most, $70.
General payments to Keith Williamson by program year, 2024 to 2025
Companies that paid Keith Williamson the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Keith Edward Williamson is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Keith Edward Williamson'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 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)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 Keith Edward Williamson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Keith Edward Williamson's NPI number?
Keith Edward Williamson's NPI number is 1811196207. It was assigned on July 16, 2007, and it is active in the NPI Registry.
What does Keith Edward Williamson specialize in?
Keith Edward Williamson is a physician assistant in Cleveland, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Keith Edward Williamson practice?
Keith Williamson practices at 108 S William Barnett Ave, Cleveland, TX 77327-4542. Keith Williamson's primary practice is Calvary Medical Clinic in Cleveland, Texas.
What is Keith Edward Williamson's office phone number?
The practice phone on file for Keith Williamson is (281) 592-9775.
What is Keith Edward Williamson's medical license number?
Keith Williamson holds Texas license PA02083.
What medical group is Keith Edward Williamson part of?
Keith Williamson is linked to Calvary Medical Clinic.
Does Keith Edward Williamson accept Medicare?
Yes. CMS lists Keith Williamson as accepting Medicare assignment.
Is Keith Edward Williamson board certified?
Yes. Keith Williamson is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Keith Edward Williamson prescribe most?
In 2024 Medicare Part D data, Keith Williamson's most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Lisinopril.
Has Keith Edward Williamson received payments from drug or device companies?
CMS Open Payments shows $354 in general payments to Keith Williamson from 14 companies from 2024 to 2025. The largest total came from Tris Pharma Inc.
How long has Keith Edward Williamson been practicing?
Keith Williamson graduated from medical school in 1996, 30 years ago.
Selling to physician assistant practices?
See physician assistants in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card