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ALEXANDRA ELIZABETH BARKER PA-C
NPI 1154846012
Physician Assistant in San Diego, CA

Active since August 11, 2017PECOS Enrolled
3020 CHILDRENS WAY, SAN DIEGO, CA 92123(858) 966-8030 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 7, 2023, Nov 16, 2020, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

About Alexandra Elizabeth Barker Pa-c NPPES

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

ALEXANDRA ELIZABETH BARKER PA-C (NPI 1154846012) is an individual physician assistant in San Diego, California, licensed in California (PA58662) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1154846012
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALEXANDRA ELIZABETH BARKERCredential: PA-C
Location Address3020 CHILDRENS WAYSan Diego, CA 92123-4223
Mailing Address3020 Childrens Way # Mc5003San Diego, CA 92123-4223 · (858) 309-6300
Phone(858) 966-8030
Sole ProprietorNo
Enumeration DateAugust 11, 2017
Last NPPES UpdateMarch 7, 20235 updates tracked since enumeration
NPPES CertifiedNovember 16, 2020
✔ NPI 1154846012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA58662
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 021219 (NY)
3020 CHILDRENS WAY, San Diego, CA 92123
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Secondary Practice Location 1

Location 1525 E 68th StNew York, NY 10065-4870 · Phone (212) 746-5454

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexandra Elizabeth Barker Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92123 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 20

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

DR. NATALIE E. ELLINGTON MD
Pathology (Pediatric Pathology)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-5944
SHANNA MICHAEL MILLER-NABAS RDN
Physician Assistant
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 576-1700
DR. ADRIANA HERRERA TREMOULET M.D.
Pediatrics (Pediatric Infectious Diseases)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-7785
LORI MCCURDY M.S., CCC-SLP
Speech-Language Pathologist
3020 CHILDRENS WAY, MC5010
SAN DIEGO, CA 92123
San Diego County (858) 968-5838
MS. ANN M SUMIDA-JOHNSON M.A..
Audiologist
3020 CHILDRENS WAY, MC 5010
SAN DIEGO, CA 92123
San Diego County (858) 966-5838
RICHARD JOHN NEWTON M.D.
Pediatrics
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-8036
DR. SHAHFAR KHAN M.D.
Pediatrics (Pediatric Emergency Medicine)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-8800
CARLY BETH WELCH CPNP-AC
Nurse Practitioner (Pediatrics)
3020 CHILDRENS WAY
SAN DIEGO, CA 92123
San Diego County (858) 966-8800

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 Alexandra Barker's NPI number?

The NPI number for Alexandra Barker is 1154846012. It was assigned to this individual provider in the NPPES registry on August 11, 2017.

Where is Alexandra Barker located?

Alexandra Barker practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-8030.

What is Alexandra Barker's specialty?

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

Is Alexandra Barker enrolled in Medicare?

Yes. Alexandra Barker is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexandra Barker was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.