KRISTEN BARNUM PA
NPI 1720856966
Physician Assistant in Bonita, CA

Active since December 18, 2023PECOS EnrolledAccepts Medicare Assignment
4358 BONITA RD STE 400, BONITA, CA 91902(619) 695-1266 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 9, 2025, Feb 27, 2025 (2 updates tracked since 2025).

About Kristen Barnum Pa NPPES

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

KRISTEN BARNUM PA (NPI 1720856966) is an individual physician assistant in Bonita, California, licensed in Rhode Island (PA01741) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1720856966
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKRISTEN BARNUMCredential: PA
Location Address4358 BONITA RD STE 400Bonita, CA 91902-1421
Mailing Address4358 Bonita Rd Ste 400Bonita, CA 91902-1421 · (619) 695-1266 · Fax (858) 402-0379
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateDecember 18, 2023
Last NPPES UpdateDecember 9, 20252 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
NPI 1720856966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in RI · PA01741
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.

Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA66813 (CA)
4358 BONITA RD STE 400, Bonita, CA 91902

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

Kristen Barnum Pa 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 ID1951841097
PECOS Enrollment IDI20250811003219
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 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
123 services116 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
90 services44 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
52 services50 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
28 services28 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.
23 services22 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
20 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91902 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Primary Care)
4358 BONITA RD STE 400
BONITA, CA 91902
Physician Assistant
4358 BONITA RD STE 400
BONITA, CA 91902

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720856966, enumerated as an "individual" on December 18, 2023.

The provider is located at 4358 BONITA RD STE 400 BONITA, CA 91902 and the phone number is (619) 695-1266.

Physician Assistant with taxonomy code 363A00000X.