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

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: July 26, 2026.

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
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

Other Identifiers 2

Medicaid250460000FL
Other31538FL · Blue Cross Blue Shield

Medicare Participation & PECOS CMS

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

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.

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.

General Acute Care Hospital
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Physician Assistant
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Surgery
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Internal Medicine (Critical Care Medicine)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Family Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Internal Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Thoracic Surgery (Cardiothoracic Vascular Surgery)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Nurse Practitioner
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505

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 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.

Where is Mary Lien located?

Mary Lien practices at 10800 Magnolia Ave, Riverside, CA 92505. The listed phone number is (951) 353-2000.

What is Mary Lien's specialty?

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

Is Mary Lien enrolled in Medicare?

Yes. Mary Lien 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.

When was this NPI record last updated?

The NPPES record for Mary Lien was last updated on December 2, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.