Jenna Withrow, PA-C
Physician Assistant · Santa Barbara, CA
Jenna Withrow, PA-C is a physician assistant with a practice address in Santa Barbara, California, and NPI 1356813299, issued on Dec 17, 2018. Check the license (California 56187, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jenna Withrow
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 56187 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2416 Castillo St Ste C, Santa Barbara, CA 93105
- Phone
- (805) 965-5588
- Enumerated
- Dec 17, 2018
- Record last updated
- May 5, 2026
- Fax
- (805) 618-2688
- Medicare enrollment
- Enrolled (PECOS I20190503001637); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Jenna Withrow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 56187Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average physician assistant in 2024
62 Medicare Part D claims for 40 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 47 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen28 claims
- Tramadol Hcl18 claims
- Doxycycline Hyclate13 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.
Industry payments in 2024: $129.58
2 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- William R. Gallivan, JR., M.D., Inc.Solvang, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jenna Withrow among 14,451 physician assistant records in California
Jenna Withrow, 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. Its NPI, issued in 2018, is newer than 52% of them.
- NPI issued2018 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2018 · median 2018 among the 7,214 with a school on file
- 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).
107 physician assistant records list a practice address in Santa Barbara
They are 107 of the 5,328 NPPES records with a practice address in Santa Barbara, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Barbara → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gary Bilodeau, PA-CSanta Barbara, CA 931051063447704
- Jared Files, PA-CSanta Barbara, CA 931051154613552
- Joanna Gibbs, PA-CSanta Barbara, CA 931051235457466
- Karen Goyal, PA-CSanta Barbara, CA 931051972823946
- Gary Hawkins, PASanta Barbara, CA 931051720090434
- Marissa Jobe, PA-CSanta Barbara, CA 931051740302413
- Rosalie Meijer, PA-C, MMSSanta Barbara, CA 931051295867919
- Heather Merrick, PASanta Barbara, CA 931051528157138
Common questions
What is Jenna Withrow, PA-C's NPI number?
Jenna Withrow, PA-C's National Provider Identifier (NPI) is 1356813299, issued on Dec 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jenna Withrow, PA-C located?
The NPPES record lists a practice address at 2416 Castillo St Ste C, Santa Barbara, CA, 93105. Phone: (805) 965-5588. Providers update this record themselves, so call before visiting.
How can I verify Jenna Withrow, PA-C's license?
NPPES lists California license number 56187, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jenna Withrow, PA-C prescribe under Medicare Part D?
In 2024, Jenna Withrow, PA-C had 62 Medicare Part D claims for 40 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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. 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.