Christopher Ray Williams, PA-C
- Medicare services, 2024
- 15
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 67
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Practice address
- 11234 Anderson St, Loma Linda, CA 92354
- Practice phone
- Call (909) 558-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Christopher Ray Williams is a physician assistant in Loma Linda, California
Christopher Williams practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
Christopher Williams' NPI, 1396992939, was assigned on August 26, 2008. Christopher Williams holds California license PA19866.
- NPI
- 1396992939NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517983364
- NPI enumeration date
- August 26, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 558-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Ray Williams practices at Loma Linda University Medical Center in Loma Linda, California
Christopher Williams' primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.
- Loma Linda University Medical Center11234 Anderson St, Loma Linda, CA 92354 · San Bernardino CountyPhone(909) 558-4000
Source: Dmand AI Affiliation Data
Christopher Ray Williams is affiliated with 4 sites of care and 3 medical groups
Christopher Williams' primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Christopher Williams is also affiliated with San Antonio Regional Hospital. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Christopher Williams to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher Ray Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Williams practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loma Linda University Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher Ray 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 licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists chest wall injury 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 Ray Williams billed Medicare for 15 services in 2024
CMS data shows 15 Medicare services from Christopher Williams across 1 procedure code in 2024, all of them office visits, for 43 Medicare patients. Medicare paid $991 for them. Every service was in a facility, such as a hospital, rather than an office.
Christopher Williams compared with the California median for physician assistants, 2024
- Christopher Williams
- California median
- Medicare services
- 15vs 20493% below
- Medicare patients
- 43vs 10559% below
- Part D claims
- 11vs 24395% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Christopher 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Christopher Ray Williams treated 43 Medicare patients in 2024, average age 69
CMS counts 43 Medicare patients who saw Christopher Williams in 2024. The largest group is 65 to 74, with 15 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.48, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Christopher Williams' median patient age at 38, with 56% women.
Christopher Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christopher Williams' Medicare patients by sex, 2024
- Women2865%
- Men1535%
Chronic conditions among Christopher Williams' Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis60%
- Diabetes49%
- Chronic kidney disease35%
- Ischemic heart disease33%
- Anxiety26%
- Heart failure26%
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 38
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher Ray Williams wrote 67 Medicare Part D claims in 2024
In 2024, Christopher Williams wrote 67 Medicare Part D claims for 51 patients. 99% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $19 in total drug cost.
Christopher Williams' Part D claims by kind of drug, 2024
- Generic66 claims99%
- Brand-name and other1 claims1%
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
- Opioids21%14 of 67 claims
- Antibiotics33%22 of 67 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
Christopher Ray Williams scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Christopher Williams for performance year 2024, reported as part of a group. Christopher Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Christopher Williams' MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Christopher Ray 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 Ray 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 Ray Williams' NPI number?
Christopher Ray Williams' NPI number is 1396992939. It was assigned on August 26, 2008, and it is active in the NPI Registry.
What does Christopher Ray Williams specialize in?
Christopher Ray Williams is a physician assistant in Loma Linda, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Christopher Ray Williams practice?
Christopher Williams practices at 11234 Anderson St, Loma Linda, CA 92354. Christopher Williams' primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Christopher Williams to 2 group practices and clinics and 2 medical groups.
What is Christopher Ray Williams' office phone number?
The practice phone on file for Christopher Williams is (909) 558-4000.
What is Christopher Ray Williams' medical license number?
Christopher Williams holds California license PA19866.
Which hospitals is Christopher Ray Williams affiliated with?
Christopher Williams practices at Loma Linda University Medical Center in Loma Linda, California. Christopher Williams is also affiliated with San Antonio Regional Hospital.
What medical group is Christopher Ray Williams part of?
Christopher Williams is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Christopher Williams to 2 more medical groups.
Does Christopher Ray Williams accept Medicare?
Yes. CMS data shows Christopher Williams billed Medicare for 15 services in 2024, and Christopher Williams accepts Medicare assignment.
What is Christopher Ray Williams' MIPS score?
Christopher Williams' MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Christopher Ray Williams see?
CMS counts 43 Medicare patients who saw Christopher Williams in 2024, with an average age of 69.
Show 3 more questionsShow fewer questions
What services does Christopher Ray Williams bill to Medicare?
In 2024, Christopher Williams' most billed Medicare services were office visit, established patient (99214).
What drugs does Christopher Ray Williams prescribe most?
In 2024 Medicare Part D data, Christopher Williams' most prescribed drugs by claims were Tramadol HCl.
How long has Christopher Ray Williams been practicing?
Christopher Williams graduated from medical school in 2008, 18 years ago.
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