DR. MANG LAM CHEN MD
NPI 1245434539
Urology in San Francisco, CA

Active since June 12, 2007Opted out of Medicare · through Mar 23, 2028
45 CASTRO ST STE 111, SAN FRANCISCO, CA 94114(415) 481-3890(520) 585-6203 Get Directions Write a Review

NPPES record last updated: March 11, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 11, 2022, Feb 5, 2019 (2 updates tracked since 2019).

About Dr. Mang Lam Chen Md NPPES

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

DR. MANG LAM CHEN MD (NPI 1245434539) is an individual urology provider in San Francisco, California, licensed in California (A135223) and active in the NPI registry since June 2007. He has opted out of Medicare through March 23, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1245434539
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. MANG LAM CHENCredential: MD
Location Address45 CASTRO ST STE 111San Francisco, CA 94114-1019
Mailing Address45 Castro St Ste 111San Francisco, CA 94114-1010 · (415) 481-3890 · Fax (520) 585-6303
Fax(520) 585-6203
Sole ProprietorNo
Enumeration DateJune 12, 2007
Last NPPES UpdateMarch 11, 20222 updates tracked since enumeration
NPPES CertifiedMarch 11, 2022
NPI 1245434539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
Licenses Licensed in CA · A135223 Licensed in PA · MD445375
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
45 CASTRO ST STE 111, San Francisco, CA 94114

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Mang Lam Chen Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from March 23, 2018 through March 23, 2028.

Opt-Out Effective DateMarch 23, 2018
Opt-Out In Effect ThroughMarch 23, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94114 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Urology
45 CASTRO ST STE 111
SAN FRANCISCO, CA 94114
Clinic/Center (Ambulatory Surgical)
45 CASTRO ST STE 111
SAN FRANCISCO, CA 94114

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 Mang Chen's NPI number?

The NPI number for Mang Chen is 1245434539. It was assigned to this individual provider in the NPPES registry on June 12, 2007.

Where is Mang Chen located?

Mang Chen practices at 45 Castro St Ste 111, San Francisco, CA 94114. The listed phone number is (415) 481-3890.

What is Mang Chen's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Mang Chen enrolled in Medicare?

No. Mang Chen has opted out of Medicare through March 23, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Mang Chen was last updated on March 11, 2022. 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.