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DR. MARK ADAM LASSOFF MD, MBA, MPH
NPI 1760633549
Urology in Los Angeles, CA

Active since October 09, 2008PECOS EnrolledAccepts Medicare Assignment
1200 N STATE ST, SUITE 5900, LOS ANGELES, CA 90033(323) 226-7335 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Adam Lassoff Md, Mba, Mph NPPES

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

DR. MARK ADAM LASSOFF MD, MBA, MPH (NPI 1760633549) is an individual urology provider in Los Angeles, California, licensed in California (93400) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1760633549
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. MARK ADAM LASSOFFCredential: MD, MBA, MPH
Location Address1200 N STATE ST, SUITE 5900Los Angeles, CA 90033-1029
Mailing Address1200 N State St, Suite 5900Los Angeles, CA 90033-1029 · (323) 226-7335
Phone(323) 226-7335
Sole ProprietorYes
Medical School CMSOtherGraduated 2004
Enumeration DateOctober 9, 2008
Last NPPES UpdateDecember 1, 2021
NPPES CertifiedDecember 1, 2021
✔ NPI 1760633549 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in CA · 93400
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.
1200 N STATE ST, Los Angeles, CA 90033
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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 and accepts Medicare assignment

Dr. Mark Adam Lassoff Md, Mba, Mph 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 ID8123150299
PECOS Enrollment IDI20100726000297
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 90033 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

DR. LUCILLE CHAILLE
Orthopaedic Surgery
1200 N STATE ST
LOS ANGELES, CA 90033
Los Angeles County (323) 226-2170
DR. THIENDANG VIET NGUYEN M.D.
Anesthesiology
1200 N STATE ST, #14-901
LOS ANGELES, CA 90033
Los Angeles County (323) 409-7748
DR. PHIL ORALLO CASTILLO M.D.
Anesthesiology
1200 N STATE ST, ROOM 14-901
LOS ANGELES, CA 90033
Los Angeles County (323) 226-4597
NOA CARTER STERLING M.D.
Obstetrics & Gynecology
1200 N STATE ST, INPT TOWER C3F107
LOS ANGELES, CA 90033
Los Angeles County (323) 409-8847
CHRYSTAL LYNNE JONES RCP
Respiratory Therapist, Certified (Critical Care)
1200 N STATE ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-1000
MAY SUNDONGMEI WU RESP THERAPIST
Respiratory Therapist, Registered (Critical Care)
1200 N STATE ST
LOS ANGELES, CA 90033
Los Angeles County (323) 409-1824
BRETT BARRO
Student in an Organized Health Care Education/Training Program
1200 N STATE ST, CLINIC TOWER SUITE A7D
LOS ANGELES, CA 90033
Los Angeles County (213) 705-5282
ALBERT CHEN MD
Student in an Organized Health Care Education/Training Program
1200 N STATE ST, CLINIC TOWER, SUITE A7D
LOS ANGELES, CA 90033
Los Angeles County (323) 442-7686

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 Mark Lassoff's NPI number?

The NPI number for Mark Lassoff is 1760633549. It was assigned to this individual provider in the NPPES registry on October 9, 2008.

Where is Mark Lassoff located?

Mark Lassoff practices at 1200 N State St Suite 5900, Los Angeles, CA 90033. The listed phone number is (323) 226-7335.

What is Mark Lassoff's specialty?

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

Is Mark Lassoff enrolled in Medicare?

Yes. Mark Lassoff 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 Mark Lassoff was last updated on December 1, 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.