Dr. Robert Thomas Williams, MD
- Hospital affiliations
- 1
- Industry payments
- $65
- State licenses
- 5
- Year NPI issued
- 2007
- Practice address
- 10 Calle Casia, San Juan, PR 00921
- Practice phone
- Call (800) 449-8729
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Robert Thomas Williams is a pathologist in San Juan, Puerto Rico
Dr. Williams practices at San Juan VA Medical Center in San Juan, Puerto Rico, part of Veterans Health Administration.
Dr. Williams' NPI, 1245435155, was assigned on June 19, 2007. Dr. Williams graduated from Universidad Central del Caribe School of Medicine in 2000. Dr. Williams holds Florida license ME 97581.
- NPI
- 1245435155NPI Registry (opens in a new tab)
- NPI enumeration date
- June 19, 2007
- NPI status
- Active
- Practice phone
- (800) 449-8729
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Thomas Williams practices at San Juan VA Medical Center in San Juan, Puerto Rico
Dr. Williams' primary practice is San Juan VA Medical Center, at 10 Calle Casia, San Juan, PR 00921 in San Juan County. The practice phone is (800) 449-8729.
- San Juan VA Medical Center10 Calle Casia, San Juan, PR 00921 · San Juan CountyPhone(800) 449-8729
Source: Dmand AI Affiliation Data
Dr. Robert Thomas Williams is affiliated with 1 site of care
Dr. Williams' primary practice is San Juan VA Medical Center in San Juan, Puerto Rico, part of Veterans Health Administration. Dr. Williams' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Thomas 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 |
|---|---|
| San Juan VA Medical Center | 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 Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert Thomas Williams is one of 66 pathologists in Puerto Rico
Anatomic pathology and clinical pathology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dmand AI has Dr. Williams' licenses on file in 5 states: Florida, Puerto Rico, North Carolina, Mississippi and Ohio.
Specialties and state licenses
- Anatomic pathology and clinical pathology, FloridaPrimary
- Puerto Rico license
- North Carolina license
- Mississippi license
- Ohio license
Pathologists near Dr. Williams
Counts of pathologists 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. Robert Thomas Williams' patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 34, with 100% women.
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 34
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Robert Thomas Williams received $65 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Dr. Williams from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $37.
General payments to Dr. Williams by program year, 2024 to 2025
Companies that paid Dr. 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
Dr. Robert Thomas Williams graduated from Universidad Central del Caribe School of Medicine
Dr. Williams graduated from Universidad Central del Caribe School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Thomas 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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Robert Thomas 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. Robert Thomas Williams' NPI number?
Dr. Robert Thomas Williams' NPI number is 1245435155. It was assigned on June 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Thomas Williams?
Dr. Robert Thomas Williams is a pathologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Robert Thomas Williams practice?
Dr. Williams practices at 10 Calle Casia, San Juan, PR 00921. Dr. Williams' primary practice is San Juan VA Medical Center in San Juan, Puerto Rico, part of Veterans Health Administration.
What is Dr. Robert Thomas Williams' office phone number?
The practice phone on file for Dr. Williams is (800) 449-8729.
What is Dr. Robert Thomas Williams' medical license number?
Dr. Williams holds Florida license ME 97581, one of the licenses on file in 5 states.
Which states has Dr. Robert Thomas Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Florida (2006 to 2027), Puerto Rico (since 2013), North Carolina (2012 to 2015), Mississippi (2003 to 2014) and Ohio (2001 to 2002).
Which hospitals is Dr. Robert Thomas Williams affiliated with?
Dr. Williams practices at San Juan VA Medical Center in San Juan, Puerto Rico.
Where did Dr. Robert Thomas Williams go to medical school?
Dr. Williams graduated from Universidad Central del Caribe School of Medicine in 2000.
Has Dr. Robert Thomas Williams received payments from drug or device companies?
CMS Open Payments shows $65 in general payments to Dr. Williams from 2 companies from 2024 to 2025. The largest total came from Dexcom, Inc.
How long has Dr. Robert Thomas Williams been practicing?
Dr. Williams graduated from medical school in 2000, 26 years ago.
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