Arthritis, JuvenileArthritis, RheumatoidAutophagy
Dr. Gary W. Williams, MD
NPI1982643441
- Medicare services, 2024
- 3,891
- Medicare patients, 2024
- 3,751
- Part D claims, 2024
- 163
- Publications
- 11
- Insurance carriers
- 8
- Practice address
- 326 Santa Fe Dr, Encinitas, CA 92024
- Practice phone
- Call (858) 554-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Scripps Clinic
Encinitas, California
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. Gary W. Williams is a rheumatologist in Encinitas, California
Dr. Williams practices at Scripps Clinic in Encinitas, California.
Dr. Williams' NPI, 1982643441, was assigned on June 6, 2006. Dr. Williams graduated from Carver College of Medicine in 1973. Dr. Williams' California license number on file is C37523.
NPI and contact details
- NPI
- 1982643441NPI Registry (opens in a new tab)
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Practice phone
- (858) 554-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gary W. Williams practices at Scripps Clinic in Encinitas, California
Dr. Williams' primary practice is Scripps Clinic, at 326 Santa Fe Dr, Encinitas, CA 92024 in San Diego County. The practice phone is (858) 554-9100.
- Scripps Clinic326 Santa Fe Dr, Encinitas, CA 92024 · San Diego CountyPhone(858) 554-9100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary W. Williams is affiliated with 1 site of care
Dr. Williams' primary practice is Scripps Clinic in Encinitas, California.
Scripps ClinicPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Gary W. 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 |
|---|---|
| Scripps Clinic | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Williams practices
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.
Dr. Gary W. Williams is one of 821 rheumatologists in California
Rheumatology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Williams is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Williams' licenses on file in 3 states: California, Iowa and District of Columbia.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
- Iowa license
- District of Columbia license
Clinical focus
Dmand AI lists gout, muscle pain, fibromyalgia, and limb pain, osteoporosis and rheumatoid arthritis among the conditions Dr. Williams treats.
Rheumatologists near Dr. Williams
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
821rheumatologists in California
7rheumatologists in Encinitas
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gary W. Williams billed Medicare for 3,891 services in 2024
CMS data shows 3,891 Medicare services from Dr. Williams across 4 procedure codes in 2024, for 3,751 Medicare patients. Medicare paid $170,417 for them. Every service was in an office.
Medicare services, 20243,891
Medicare patients3,751
Paid by Medicare$170,417
Procedure codes4
Dr. Williams' Medicare services by type, 2024
- Imaging3,857
- Office and hospital visits34
Dr. Williams compared with the California median for rheumatologists, 2024
- Dr. Williams
- California median
- Medicare services
- 3,891vs 9004.3 times
- Medicare patients
- 3,751vs 21617.4 times
- Part D claims
- 88vs 96291% below
Medians across 773 rheumatologists in California 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.
Need commercial claims for Dr. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary W. Williams treated 3,751 Medicare patients in 2024, average age 75
CMS counts 3,751 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 1,875 patients. 73% of them have high cholesterol, and 54% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 69, with 71% women.
Medicare patients, 20243,751
Average age75
Average risk score0.94
Also on Medicaid5%
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women3,35689%
- Men39511%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High cholesterol73%
- High blood pressure54%
- Osteoporosis46%
- Arthritis41%
- Mood disorders19%
- Anxiety18%
- Cancer17%
- Depression17%
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 69
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary W. Williams wrote 163 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 163 Medicare Part D claims for 18 patients. 91% of them were for generic drugs. CMS names the drug for 88 of them, across 4 drugs with 11 or more claims each, at $1,456 in total drug cost.
Part D claims, 2024163
Drugs named by CMS4
Total drug cost$1,456
Part D patients18
Dr. Williams' Part D claims by kind of drug, 2024
- Generic149 claims91%
- Brand-name14 claims9%
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.
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
For MedTech and pharma teams
Find rheumatologists like Dr. Williams by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gary W. Williams has 11 publications on record
Dmand AI links 11 papers to Dr. Williams, published from 2005 to 2018. The most frequent topics are Anti-Inflammatory Agents, Non-Steroidal, Cardiovascular Diseases and Global Health. Dr. Williams has published most often in Am J Cardiol. Dr. Williams' most frequent co-authors are Salvatore Albani, MD, Kelly J. Bethel, MD and John E. Bishop, MD.
Papers11
Years published2005 to 2018
Dr. Williams' papers by year, 2005 to 2018
Topics Dr. Williams writes about most
- Anti-Inflammatory Agents, Non-Steroidal
- Cardiovascular Diseases
- Global Health
- Administration, Topical
- Arthritis, Rheumatoid
- Drug Prescriptions
- Haplorhini
- Rabbits
Dr. Williams' most frequent co-authors
Recent publications by Dr. Williams
Genetic Diseases, InbornGenome, HumanGenomics
Am J Cardiol
Alzheimer DiseaseArthritisCardiovascular Diseases
Bioorg Med Chem Lett
Administration, TopicalCatsHaplorhini
See who Dr. Williams researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gary W. Williams has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Williams.
Awards and honors for Dr. Williams
- Undated
- ACR Fellow
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Gary W. Williams graduated from Carver College of Medicine
Dr. Williams graduated from Carver College of Medicine in 1973. Dr. Williams is a member of ACP and ACR.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Gary W. Williams accepts plans from 8 insurance carriers
Dr. Williams is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Williams accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Gary W. 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Gary W. 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. Gary W. Williams' NPI number?
Dr. Gary W. Williams' NPI number is 1982643441. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary W. Williams?
Dr. Gary W. Williams is a rheumatologist in Encinitas, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Gary W. Williams practice?
Dr. Williams practices at 326 Santa Fe Dr, Encinitas, CA 92024. Dr. Williams' primary practice is Scripps Clinic in Encinitas, California.
What is Dr. Gary W. Williams' office phone number?
The practice phone on file for Dr. Williams is (858) 554-9100.
What is Dr. Gary W. Williams' medical license number?
Dr. Williams' California license number on file is C37523, one of the licenses on file in 3 states.
Which states has Dr. Gary W. Williams been licensed in?
Dmand AI has state licenses on file for Dr. Williams in California (1977 to 2025), Iowa (1975 to 1982) and District of Columbia (1975 to 1978).
Does Dr. Gary W. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 3,891 services in 2024.
How many Medicare patients does Dr. Gary W. Williams see?
CMS counts 3,751 Medicare patients who saw Dr. Williams in 2024, with an average age of 75.
Is Dr. Gary W. Williams board certified?
Yes. Dr. Williams is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Gary W. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were radiation oncology (77080), radiation oncology (77081) and office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Dr. Gary W. Williams go to medical school?
Dr. Williams graduated from Carver College of Medicine in 1973.
What drugs does Dr. Gary W. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Hydroxychloroquine Sulfate, Prednisone and Methotrexate.
How long has Dr. Gary W. Williams been practicing?
Dr. Williams graduated from medical school in 1973, 53 years ago.
Does Dr. Gary W. Williams do research?
Dmand AI links 11 publications to Dr. Williams, published from 2005 to 2018.
Who does Dr. Gary W. Williams publish with?
Dr. Williams' most frequent co-authors are Salvatore Albani, MD (1 shared paper), Kelly J. Bethel, MD (1 shared paper) and John E. Bishop, MD (1 shared paper).
What insurance does Dr. Gary W. Williams accept?
Dr. Williams is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to rheumatology practices?
See rheumatologists in California 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