DR. LEAH MUHM LIN M.D.
NPI 1356600175
Radiology - Diagnostic Radiology in Orange, CA

Active since May 14, 2012PECOS EnrolledAccepts Medicare Assignment
101 THE CITY DR S, ORANGE, CA 92868(714) 456-8888 Get Directions Write a Review

NPPES record last updated: December 6, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 6, 2025, Sep 10, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Dr. Leah Muhm Lin M.d. NPPES

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

DR. LEAH MUHM LIN M.D. (NPI 1356600175) is an individual diagnostic radiology provider in Orange, California, licensed in California (A112256) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2008).

NPPES Registry Identity

NPI1356600175
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. LEAH MUHM LINCredential: M.D.
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address101 The City Dr SOrange, CA 92868-3201 · (714) 456-8888 · Fax (323) 442-8755
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2008
Enumeration DateMay 14, 2012
Last NPPES UpdateDecember 6, 20254 updates tracked since enumeration
NPPES CertifiedDecember 6, 2025
✔ NPI 1356600175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A112256
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
101 THE CITY DR S, Orange, CA 92868

Other Names 1

Former Name (1)Dr. Leah Larson Muhm M.d.

Secondary Practice Location 1

Location 11500 San Pablo St Fl 2Los Angeles, CA 90033-5313 · Phone (323) 442-8541 · Fax (323) 442-8755

Accepted Insurance

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. Leah Muhm Lin 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 ID4082852801
PECOS Enrollment IDI20130605000674
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 Leah Lin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Diagnostic Radiology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 202 clinicians in this Medicare group
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 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 92868 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868

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 Leah Lin's NPI number?

The NPI number for Leah Lin is 1356600175. It was assigned to this individual provider in the NPPES registry on May 14, 2012. The provider is also known as Dr. Leah Larson Muhm M.D..

Where is Leah Lin located?

Leah Lin practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-8888.

What is Leah Lin's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Leah Lin enrolled in Medicare?

Yes. Leah Lin 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 Leah Lin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leah Lin reassigns Medicare benefits to 2 organizations: Uc Regents (Orange, CA) and Usc Care Medical Group, Inc (Los Angeles, 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 Leah Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leah Lin accept?

Health plans from Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Texas list Leah Lin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Leah Lin was last updated on December 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.