Christopher D. Arnold, DO
Family Medicine Physician · Camarillo, CA
Christopher D. Arnold, DO is a family medicine physician with a practice address in Camarillo, California, and NPI 1356499156, issued on Jan 8, 2007. Check the license (California 20A8181, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher D. Arnold
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A8181 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3901 Las Posas RD, Camarillo, CA 93010
- Phone
- (805) 383-0647
- Enumerated
- Jan 8, 2007
- Record last updated
- Mar 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (805) 383-1187
- Medicaid ID
- 00AX81810 CA
- Medicare enrollment
- Enrolled (PECOS I20040318000560); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3901 Las Posas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher D. Arnold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average family medicine physician in 2024
11,033 Medicare Part D claims for 991 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 286 claims were for opioids.
Most prescribed
- Atorvastatin Calcium865 claims
- Amlodipine Besylate731 claims
- Levothyroxine Sodium651 claims
- Losartan Potassium486 claims
- Rosuvastatin Calcium281 claims
- Lisinopril274 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Christopher D. Arnold among 17,133 family medicine physician records in California
Christopher D. Arnold, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Camarillo
They are 24 of the 2,656 NPPES records with a practice address in Camarillo, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Camarillo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Raphael Argueta, M.D.Camarillo, CA 930101174744072
- James Carlson, MEDICAL DOCTORCamarillo, CA 930101336139450
- Maria Dickey, DOCamarillo, CA 930101013164136
- Dorothy Du Graff, D.O.Camarillo, CA 930101699180935
- Wilson Fung, MDCamarillo, CA 930101942282819
- Emily Jiang, M.D.Camarillo, CA 930101366702946
- Carl Jonokuchi, MDCamarillo, CA 930101528027497
- Catherine Kim, M.D.Camarillo, CA 930101497819809
Common questions
What is Christopher D. Arnold, DO's NPI number?
Christopher D. Arnold, DO's National Provider Identifier (NPI) is 1356499156, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christopher D. Arnold, DO located?
The NPPES record lists a practice address at 3901 Las Posas RD, Camarillo, CA, 93010. Phone: (805) 383-0647. Providers update this record themselves, so call before visiting.
How can I verify Christopher D. Arnold, DO's license?
NPPES lists California license number 20A8181, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher D. Arnold, DO prescribe under Medicare Part D?
In 2024, Christopher D. Arnold, DO had 11,033 Medicare Part D claims for 991 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Christopher D. Arnold, DO's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.