DR. MARY LIEN M.D.
NPI 1417016544
Dermatology in Riverside, CA

Q: What is Mary Lien's NPI number?

The NPI number for Mary Lien is 1417016544. It was assigned to this individual provider in the NPPES registry on December 6, 2006.

Q: What is Mary Lien's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Lien was last updated on December 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.

Active since December 06, 2006PECOS EnrolledAccepts Medicare Assignment

10800 MAGNOLIA AVE, RIVERSIDE, CA 92505(951) 353-2000(813) 974-2132 Get Directions Write a Review

NPPES record last updated: December 2, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Mary Lien M.d. NPPES

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

DR. MARY LIEN M.D. (NPI 1417016544) is an individual dermatology provider in Riverside, California, licensed in California (A55676) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1992).

NPPES Registry Identity

NPI1417016544

Entity TypeIndividualFemale

Primary Taxonomy207N00000X

Provider Legal NameDR. MARY LIENCredential: M.D.

Location Address10800 MAGNOLIA AVERiverside, CA 92505-3043

Mailing Address10800 Magnolia AveRiverside, CA 92505-3043

Phone(951) 353-2000

Fax(813) 974-2132

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 1992

Enumeration DateDecember 6, 2006

Last NPPES UpdateDecember 2, 2021

✔ NPI 1417016544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians

Taxonomy Code207N00000X

Licenses✔ Licensed in CA · A55676✔ Licensed in FL · ME71253

Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

10800 MAGNOLIA AVE, Riverside, CA 92505

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Other Identifiers 2

Medicaid250460000FL

Other31538FL · Blue Cross Blue Shield

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. Mary Lien 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 ID9537263421

PECOS Enrollment IDI20150910001862

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 Reassignment

Medicare enrollment records show Mary Lien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

Same address

Health Maintenance Organization

10800 MAGNOLIA AVE
Riverside, CA 92505

Reassigned Medicare billing, California enrollment
5,228 clinicians in this Medicare group

NPI 1316979834 (866) 984-7483

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 92505 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

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.

KAISER PERMANENTE

General Acute Care Hospital