JOSHUA KOEPLIN-DAY PA-C
NPI 1003468331
Physician Assistant - Surgical in La Jolla, CA

Q: What is Joshua Koeplin-day's NPI number?

The NPI number for Joshua Koeplin-day is 1003468331. It was assigned to this individual provider in the NPPES registry on July 16, 2019.

Q: What is Joshua Koeplin-day's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Active since July 16, 2019PECOS EnrolledAccepts Medicare Assignment

10710 N TORREY PINES RD, LA JOLLA, CA 92037(858) 554-7007 Get Directions Write a Review

NPPES record last updated: January 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 31, 2026, Dec 12, 2025, Mar 10, 2025 and 1 more (4 updates tracked since 2019).

On this page

About Joshua Koeplin-day Pa-c NPPES

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

JOSHUA KOEPLIN-DAY PA-C (NPI 1003468331) is an individual surgical provider in La Jolla, California, licensed in California (PA66051) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1003468331

Entity TypeIndividualMale

Primary Taxonomy363AS0400X

Provider Legal NameJOSHUA KOEPLIN-DAYCredential: PA-C

Location Address10710 N TORREY PINES RDLa Jolla, CA 92037-1035

Mailing Address10790 Rancho Bernardo RdSan Diego, CA 92127-5705 · (858) 554-7007

Phone(858) 554-7007

Sole ProprietorYes

Medical School CMSOtherGraduated 2024

Enumeration DateJuly 16, 2019

Last NPPES UpdateJanuary 31, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 31, 2026

✔ NPI 1003468331 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in CA · PA66051

Also ListedPhysician AssistantTaxonomy 363A00000X · License PA66051 (CA)

10710 N TORREY PINES RD, La Jolla, CA 92037

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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

Joshua Koeplin-day 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 ID4880116912

PECOS Enrollment IDI20250319000002

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.

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.

MS. JUMAI FATHIYA DAWUDA NP

Nurse Practitioner (Family)