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JENNA WITHROW PA-C
NPI 1356813299
Physician Assistant in Santa Barbara, CA

Active since December 17, 2018PECOS EnrolledAccepts Medicare Assignment
2416 CASTILLO ST STE C, SANTA BARBARA, CA 93105(805) 965-5588(805) 618-2688 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 5, 2026, Feb 4, 2019, Dec 17, 2018 (3 updates tracked since 2018).

About Jenna Withrow Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JENNA WITHROW PA-C (NPI 1356813299) is an individual physician assistant in Santa Barbara, California, licensed in California (56187) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1356813299
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameJENNA WITHROWCredential: PA-C
Location Address2416 CASTILLO ST STE CSanta Barbara, CA 93105-5305
Mailing Address2416 Castillo St Ste CSanta Barbara, CA 93105-5305 · (805) 965-5588 · Fax (805) 618-2688
Phone(805) 965-5588
Fax(805) 618-2688
Sole ProprietorYes
Medical School CMSOtherGraduated 2018
Enumeration DateDecember 17, 2018
Last NPPES UpdateMay 5, 20263 updates tracked since enumeration
NPPES CertifiedMay 5, 2026
✔ NPI 1356813299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · 56187
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
2416 CASTILLO ST STE C, Santa Barbara, CA 93105
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jenna Withrow Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870835218
PECOS Enrollment IDI20190503001637
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg J7332
Triluron is a treatment involving injections of a substance called hyaluronan into your joints. It helps to lubricate and cushion the joint, which can reduce pain and improve movement, especially in conditions like osteoarthritis. Each injection contains 1 mg of hyaluronan.
2,360 services65 patients
Aspiration and/or injection of fluid large joint using ultrasound guidance 20611
This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.
122 services86 patients
Injection, ketorolac tromethamine, per 15 mg J1885
Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.
63 services27 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
30 services29 patients
Removal of entire shoulder joint lining using an endoscope 29821
This procedure involves the use of an endoscope, a small camera, to view and remove the lining of your shoulder joint. It's typically done to alleviate pain or discomfort caused by conditions like arthritis or inflammation.
18 services18 patients
Removal of extensive shoulder joint tissue using an endoscope 29823
This procedure, known as arthroscopic debridement, involves using a small camera (endoscope) to view your shoulder joint. Damaged or unwanted tissue is then carefully removed. This minimally invasive technique aims to reduce pain and improve joint mobility.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.71 typical visit price
range $62.01 – $184.40
Typical copayment $23.67 (range $15.50 – $46.10)
Most-billed visit code 99203
Established Patient
$76.76 typical visit price
range $20.60 – $151.20
Typical copayment $19.19 (range $5.15 – $37.80)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jenna Withrow's NPI number?

The NPI number for Jenna Withrow is 1356813299. It was assigned to this individual provider in the NPPES registry on December 17, 2018.

Where is Jenna Withrow located?

Jenna Withrow practices at 2416 Castillo St Ste C, Santa Barbara, CA 93105. The listed phone number is (805) 965-5588.

What is Jenna Withrow's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Jenna Withrow enrolled in Medicare?

Yes. Jenna Withrow is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jenna Withrow was last updated on May 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.