Dorathy Twitchell, PA-C
Physician Assistant · Thousand Oaks, CA
Dorathy Twitchell, PA-C is a physician assistant with a practice address in Thousand Oaks, California, and NPI 1417806514, issued on Jan 23, 2026. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dorathy Twitchell
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1001 Newbury RD, Thousand Oaks, CA 91320
- Phone
- (805) 379-2322
- Enumerated
- Jan 23, 2026
- Record last updated
- Jun 8, 2026
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1001 Newbury RD
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Verify Dorathy Twitchell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dorathy Twitchell among 14,451 physician assistant records in California
Dorathy Twitchell, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 97% of them.
- NPI issued2026 · 97% of these records are older, 0% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 physician assistant records list a practice address in Thousand Oaks
They are 40 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 14,451 physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14,451 in California → Every provider in Thousand Oaks → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kaylie BalvanedaThousand Oaks, CA 913201568357796
- Pauntea Bral, PA-CThousand Oaks, CA 913201184438129
- Sarah Hazany, PA-CNewbury Park, CA 913201093253437
- Marissa King, PA-CThousand Oaks, CA 913201174259154
- Jephryn Lee, PAThousand Oaks, CA 913201336800416
- Sophia LeeThousand Oaks, CA 913201992669451
- David Leventer, PAThousand Oaks, CA 913201861121584
- Justin MikesellThousand Oaks, CA 913201649991720
Common questions
What is Dorathy Twitchell, PA-C's NPI number?
Dorathy Twitchell, PA-C's National Provider Identifier (NPI) is 1417806514, issued on Jan 23, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Dorathy Twitchell, PA-C located?
The NPPES record lists a practice address at 1001 Newbury RD, Thousand Oaks, CA, 91320. Phone: (805) 379-2322. Providers update this record themselves, so call before visiting.
How can I verify Dorathy Twitchell, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.