Christopher R. Williams, PA
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 239
- Affiliated sites
- 2
- Medical groups
- 3
- Year NPI issued
- 2014
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Christopher 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.
Christopher R. Williams is a physician assistant in Stockton, California
Christopher Williams practices at Permanente Medical Group Inc in Stockton, California.
Christopher Williams' NPI, 1306245410, was assigned on August 14, 2014.
- NPI
- 1306245410NPI Registry (opens in a new tab)
- NPI enumeration date
- August 14, 2014
- NPI status
- Active
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Christopher R. Williams practices at Permanente Medical Group Inc in Stockton, California
Christopher Williams' primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christopher R. Williams is affiliated with 3 sites of care and 3 medical groups
Christopher Williams' primary practice is Permanente Medical Group Inc in Stockton, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Christopher Williams to 2 more group practices and clinics and 2 medical groups, each 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 Christopher R. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +2 more sites and 2 medical groups | 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.
Christopher R. Williams is one of 11,482 physician assistants in California
Physician assistant is Christopher Williams' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christopher Williams is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
Specialties and state licenses
- Physician assistantPrimary
Clinical focus
Dmand AI lists acute skin infection, asthma, carpal tunnel syndrome, cold sores or genital herpes, ear eustachian tube disorders, joint pain, lower back pain and minor injury to a limb among the conditions Christopher Williams treats.
Physician assistants near Christopher 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
Christopher R. Williams treated 25 Medicare patients in 2024, average age 63
CMS counts 25 Medicare patients who saw Christopher Williams in 2024. The largest group is under 65, with 12 patients. 60% of them have high blood pressure, and 56% have high cholesterol. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christopher Williams' median patient age at 30, with 56% women.
Christopher Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Christopher Williams' Medicare patients, 2024
- High blood pressure60%
- High cholesterol56%
- Diabetes44%
Share of Medicare patients with each condition. A patient can have several.
Christopher Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 30
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher R. Williams wrote 239 Medicare Part D claims in 2024
In 2024, Christopher Williams wrote 239 Medicare Part D claims for 182 patients. 89% of them were for generic drugs. CMS names the drug for 99 of them, across 6 drugs with 11 or more claims each, at $1,098 in total drug cost.
Christopher Williams' Part D claims by kind of drug, 2024
- Generic212 claims89%
- Brand-name27 claims11%
Christopher 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 Christopher Williams' Part D claims, 2024
- Antibiotics41%99 of 239 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
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.
Christopher R. Williams has 9 awards and honors on record
Dmand AI lists 9 awards for Christopher Williams, most recently Honorable Military Discharge in 2010.
Awards and honors for Christopher Williams
- 2010
- Honorable Military Discharge
- Navy & Marine Corps Achievement Medal
- 2009
- Presidential Unit Citation
- 2008
- Fleet Marine Force Warfare Device
- Good Conduct Medal
- Sailor of the Quarter
Source: Dmand AI Professional Profile Data
Christopher R. Williams is board certified in certified physician assistant
Christopher Williams is a member of California Academy of Physician Assistants.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Christopher R. 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 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Christopher R. 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 Christopher R. Williams' NPI number?
Christopher R. Williams' NPI number is 1306245410. It was assigned on August 14, 2014, and it is active in the NPI Registry.
What does Christopher R. Williams specialize in?
Christopher R. Williams is a physician assistant in Stockton, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Christopher R. Williams practice?
Christopher Williams practices at 7373 West Ln, Stockton, CA 95210. Christopher Williams' primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Christopher Williams to 2 group practices and clinics and 2 medical groups.
What is Christopher R. Williams' office phone number?
The practice phone on file for Christopher Williams is (209) 476-2000.
What medical group is Christopher R. Williams part of?
Christopher Williams is linked to The Permanente Medical Group, Inc. Dmand AI links Christopher Williams to 2 more medical groups.
How many Medicare patients does Christopher R. Williams see?
CMS counts 25 Medicare patients who saw Christopher Williams in 2024, with an average age of 63.
Is Christopher R. Williams board certified?
Yes. Christopher Williams is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Christopher R. Williams prescribe most?
In 2024 Medicare Part D data, Christopher Williams' most prescribed drugs by claims were Albuterol Sulfate Hfa, Amoxicillin-Clavulanate Potass and Doxycycline Monohydrate.
How long has Christopher R. Williams been practicing?
Christopher Williams graduated from medical school in 2014, 12 years ago.
Selling to physician assistant practices?
See physician assistants 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