DR. LYNN L JI M.D.
NPI 1346442308
Emergency Medicine in San Diego, CA

Active since June 01, 2007PECOS EnrolledAccepts Medicare Assignment
3350 LA JOLLA VILLAGE DR, SAN DIEGO, CA 92161(858) 213-6568 Get Directions Write a Review

NPPES record last updated: November 2, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 2, 2021, Oct 20, 2017 (2 updates tracked since 2017).

About Dr. Lynn L Ji M.d. NPPES

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

DR. LYNN L JI M.D. (NPI 1346442308) is an individual emergency medicine provider in San Diego, California, licensed in California (A97560) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1346442308
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. LYNN L JICredential: M.D.
Location Address3350 LA JOLLA VILLAGE DRSan Diego, CA 92161-0002
Mailing Address3350 La Jolla Village DrSan Diego, CA 92161-0002 · (858) 213-6568
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateJune 1, 2007
Last NPPES UpdateNovember 2, 20212 updates tracked since enumeration
NPPES CertifiedNovember 2, 2021
✔ NPI 1346442308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A97560
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3350 LA JOLLA VILLAGE DR, San Diego, CA 92161

Other Identifiers 1

Medicaid1346442308CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lynn L Ji M.d. 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 ID2860675949
PECOS Enrollment IDI20110328000358
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Lynn Ji reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
1288 CAMINO DEL RIO N
San Diego, CA 92108
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
Emergency Medicine
354 SANTA FE DR
Encinitas, CA 92024
  • Reassigned Medicare billing, California enrollment
  • 47 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92161 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
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
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.

Internal Medicine (Geriatric Medicine)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Physical Therapist
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Psychiatry & Neurology (Psychiatry)
3350 LA JOLLA VILLAGE DR, 116-A
SAN DIEGO, CA 92161
Psychologist (Clinical)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Pharmacist (Psychiatric)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Pharmacist (Psychiatric)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Physical Therapist
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Nurse Practitioner (Family)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161

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 Lynn Ji's NPI number?

The NPI number for Lynn Ji is 1346442308. It was assigned to this individual provider in the NPPES registry on June 1, 2007.

Where is Lynn Ji located?

Lynn Ji practices at 3350 La Jolla Village Dr, San Diego, CA 92161. The listed phone number is (858) 213-6568.

What is Lynn Ji's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Lynn Ji enrolled in Medicare?

Yes. Lynn Ji 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.

Which organizations bill Medicare for Lynn Ji's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Ji reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and Emergency Medicine Group Of Encinitas, Inc (Encinitas, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lynn Ji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lynn Ji was last updated on November 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.