LUKE JOHANNES IRWIN MD
NPI 1073208773
Internal Medicine in San Diego, CA

Active since April 07, 2023PECOS EnrolledAccepts Medicare Assignment
4077 FIFTH AVE # MER-35, SAN DIEGO, CA 92103(805) 405-9192 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Luke Johannes Irwin Md NPPES

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

LUKE JOHANNES IRWIN MD (NPI 1073208773) is an individual internal medicine provider in San Diego, California, licensed in California (A202386) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of California University Of Science And Medicine (2023).

NPPES Registry Identity

NPI1073208773
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLUKE JOHANNES IRWINCredential: MD
Location Address4077 FIFTH AVE # MER-35San Diego, CA 92103-2105
Mailing Address4077 Fifth Ave # Mer-35San Diego, CA 92103-2105
Sole ProprietorNo
Medical School CMSCalifornia University Of Science And MedicineGraduated 2023
Enumeration DateApril 7, 2023
Last NPPES UpdateJune 12, 2026
NPPES CertifiedJune 12, 2026
✔ NPI 1073208773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A202386
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4077 FIFTH AVE # MER-35, San Diego, CA 92103

Secondary Practice Location 1

Location 14094 4th AveSan Diego, CA 92103-2143 · Phone (619) 515-2545

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

Luke Johannes Irwin Md 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 ID143792937
PECOS Enrollment IDI20260612000307
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

3

Medicare enrollment records show Luke Irwin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
General Acute Care Hospital
4077 5TH AVE
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,598 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
4065 3RD AVE
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 1,100 clinicians in this Medicare group
Multi-Specialty
9888 GENESEE AVE
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • 278 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 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
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.

Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
Internal Medicine
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103
Internal Medicine
4077 FIFTH AVE # MER-35
SAN DIEGO, CA 92103

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 Luke Irwin's NPI number?

The NPI number for Luke Irwin is 1073208773. It was assigned to this individual provider in the NPPES registry on April 7, 2023.

Where is Luke Irwin located?

Luke Irwin practices at 4077 Fifth Ave # Mer-35, San Diego, CA 92103. The listed phone number is (805) 405-9192.

What is Luke Irwin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Luke Irwin enrolled in Medicare?

Yes. Luke Irwin 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 Luke Irwin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Luke Irwin reassigns Medicare benefits to 3 organizations: Scripps Health (San Diego, CA), Family Health Centers Of San Diego, Inc. (San Diego, CA) and Scripps Health Inpatient Providers Medical Group Inc. (La Jolla, 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 Luke Irwin'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 Luke Irwin was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.