Christopher Alan Ruzicka, OD
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 34
- Industry payments
- $987
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 5161 Clayton Rd, Concord, CA 94521
- Practice phone
- Call (925) 296-9872
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John Muir Physician Network
Concord, California
Find Christopher Ruzicka'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.
Christopher Alan Ruzicka is an optometrist in Concord, California
Christopher Ruzicka practices at John Muir Physician Network in Concord, California.
Christopher Ruzicka's NPI, 1992813414, was assigned on August 25, 2006. Christopher Ruzicka graduated from University of California - School of Optometry in 1987. Christopher Ruzicka holds California license 8844T.
- NPI
- 1992813414NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284744095
- NPI enumeration date
- August 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 296-9872
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Alan Ruzicka practices at John Muir Physician Network in Concord, California
Christopher Ruzicka's primary practice is John Muir Physician Network, at 5161 Clayton Rd, Concord, CA 94521 in Contra Costa County. The practice phone is (925) 296-9872.
- John Muir Physician Network5161 Clayton Rd, Concord, CA 94521 · Contra Costa CountyPhone(925) 296-9872
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christopher Alan Ruzicka is affiliated with 2 sites of care and 1 medical group
Christopher Ruzicka's primary practice is John Muir Physician Network in Concord, California. Dmand AI also links Christopher Ruzicka to 1 group practice or clinic and 1 medical group, 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 Alan Ruzicka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Ruzicka practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Physician Network | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Christopher Alan Ruzicka is one of 7,206 optometrists in California
Optometrist is Christopher Ruzicka's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Christopher Ruzicka is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Christopher Ruzicka
Counts of optometrists 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 Alan Ruzicka treated 69 Medicare patients in 2024, average age 74
CMS counts 69 Medicare patients who saw Christopher Ruzicka in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Christopher Ruzicka's median patient age at 70, with 53% women.
Christopher Ruzicka's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Christopher Ruzicka's Medicare patients by sex, 2024
- Women3449%
- Men3551%
Chronic conditions among Christopher Ruzicka's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis33%
- Cancer20%
- Depression20%
- Diabetes20%
- Ischemic heart disease20%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Christopher Ruzicka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Christopher Alan Ruzicka wrote 34 Medicare Part D claims in 2024
In 2024, Christopher Ruzicka wrote 34 Medicare Part D claims for 13 patients.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Christopher Alan Ruzicka takes part in Medicare
Christopher Ruzicka 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)
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Christopher Alan Ruzicka received $987 in industry payments in 2025
CMS Open Payments shows 9 general payments to Christopher Ruzicka from 3 drug and device companies in 2025. Travel and lodging make up the largest share, 40% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $670.
General payments to Christopher Ruzicka by kind, 2025 to 2025
- Travel and lodging$39840%
- Food and beverage$34735%
- Entertainment$24224%
Companies that paid Christopher Ruzicka the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Christopher Alan Ruzicka graduated from University of California - School of Optometry
Christopher Ruzicka graduated from University of California - School of Optometry in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Christopher Alan Ruzicka'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 (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 Christopher Alan Ruzicka
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 Alan Ruzicka's NPI number?
Christopher Alan Ruzicka's NPI number is 1992813414. It was assigned on August 25, 2006, and it is active in the NPI Registry.
What does Christopher Alan Ruzicka specialize in?
Christopher Alan Ruzicka is an optometrist in Concord, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Christopher Alan Ruzicka practice?
Christopher Ruzicka practices at 5161 Clayton Rd, Concord, CA 94521. Christopher Ruzicka's primary practice is John Muir Physician Network in Concord, California. Dmand AI also links Christopher Ruzicka to 1 group practice or clinic and 1 medical group.
What is Christopher Alan Ruzicka's office phone number?
The practice phone on file for Christopher Ruzicka is (925) 296-9872.
What is Christopher Alan Ruzicka's medical license number?
Christopher Ruzicka holds California license 8844T.
Does Christopher Alan Ruzicka accept Medicare?
Yes. CMS lists Christopher Ruzicka as accepting Medicare assignment.
How many Medicare patients does Christopher Alan Ruzicka see?
CMS counts 69 Medicare patients who saw Christopher Ruzicka in 2024, with an average age of 74.
Where did Christopher Alan Ruzicka go to medical school?
Christopher Ruzicka graduated from University of California - School of Optometry in 1987.
Has Christopher Alan Ruzicka received payments from drug or device companies?
CMS Open Payments shows $987 in general payments to Christopher Ruzicka from 3 companies from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Christopher Alan Ruzicka been practicing?
Christopher Ruzicka graduated from medical school in 1987, 39 years ago.
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