Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

LIAM FLANAGAN MD
NPI 1043902505
Hospitalist in La Jolla, CA

Q: What is Liam Flanagan's NPI number?

The NPI number for Liam Flanagan is 1043902505. It was assigned to this individual provider in the NPPES registry on May 23, 2023.

Q: What is Liam Flanagan's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Liam Flanagan was last updated on July 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 23, 2023PECOS Enrolled

10666 N TORREY PINES RD, LA JOLLA, CA 92037(858) 554-7909 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2026, May 23, 2023 (2 updates tracked since 2023).

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About Liam Flanagan Md NPPES

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

LIAM FLANAGAN MD (NPI 1043902505) is an individual hospitalist provider in La Jolla, California, licensed in California (A210681) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043902505

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameLIAM FLANAGANCredential: MD

Location Address10666 N TORREY PINES RDLa Jolla, CA 92037-1027

Mailing Address10790 Rancho Bernardo RdSan Diego, CA 92127-5705 · (858) 554-7909

Phone(858) 554-7909

Sole ProprietorNo

Enumeration DateMay 23, 2023

Last NPPES UpdateJuly 21, 20262 updates tracked since enumeration

NPPES CertifiedJuly 21, 2026

✔ NPI 1043902505 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · A210681

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License A210681 (CA)

10666 N TORREY PINES RD, La Jolla, CA 92037

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Liam Flanagan Md 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 92037 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.

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