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DR. SIAMAK STEPHEN MARZBAN M.D.
NPI 1164447959
Internal Medicine in San Pedro, CA

Active since July 13, 2006PECOS EnrolledAccepts Medicare Assignment
2403 S MORAY AVE, STE 2B, SAN PEDRO, CA 90732(310) 832-2694(310) 547-0140 Get Directions Write a Review

NPPES record last updated: February 20, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Siamak Stephen Marzban M.d. NPPES

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

DR. SIAMAK STEPHEN MARZBAN M.D. (NPI 1164447959) is an individual internal medicine provider in San Pedro, California, licensed in California (A48221) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1979).

NPPES Registry Identity

NPI1164447959
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SIAMAK STEPHEN MARZBANCredential: M.D.
Location Address2403 S MORAY AVE, STE 2BSan Pedro, CA 90732-4358
Mailing Address2403 S Moray Ave, Ste 2bSan Pedro, CA 90732-4358 · (310) 832-2694 · Fax (310) 547-0140
Phone(310) 832-2694
Fax(310) 547-0140
Sole ProprietorNo
Medical School CMSOtherGraduated 1979
Enumeration DateJuly 13, 2006
Last NPPES UpdateFebruary 20, 2017
✔ NPI 1164447959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A48221
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2403 S MORAY AVE, San Pedro, CA 90732
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedA48221CA · Medicare
Medicare UPINF45641CA
Medicaid00A482211CA

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. Siamak Stephen Marzban 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 ID1153589171
PECOS Enrollment IDI20120222000770
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
283 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
99 services38 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
97 services26 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
21 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90732 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%48 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers14 claims35 services$2.63 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers12 claims16 services$0.42 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers12 claims12 services$44.59 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers11 claims11 services$13.50 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers11 claims11 services$61.29 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

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

DR. HANH VIVIAN TRAN D.D.S.
Dentist
2403 S MORAY AVE, SUITE #2
SAN PEDRO, CA 90732
Los Angeles County (310) 832-4203
YVETTE EL SAYAD
Psychologist
2403 S MORAY AVE
SAN PEDRO, CA 90732
Los Angeles County (310) 519-9011
DR. JAMES STEVEN BRUST M.D.
Psychiatry & Neurology (Psychiatry)
2403 S MORAY AVE, SUITE 4
SAN PEDRO, CA 90732
Los Angeles County (310) 832-7943
DR. LIANA DELIKYAN PSY.D.
Psychologist (Clinical)
2403 S MORAY AVE, SUITE 1
SAN PEDRO, CA 90732
Los Angeles County (310) 519-9011
SIAMAK STEPHEN MARZBAN,M.D.,INC
Clinic/Center
2403 S MORAY AVE
SAN PEDRO, CA 90732
Los Angeles County (310) 832-2694
JAMES S. BRUST, M.D., INC.
Psychiatry & Neurology (Psychiatry)
2403 S MORAY AVE, SUITE #4
SAN PEDRO, CA 90732
Los Angeles County (310) 832-7943
KATHRYN CUMMINS
Clinical Neuropsychologist
2403 S MORAY AVE
SAN PEDRO, CA 90732
Los Angeles County (424) 488-9973
MS. JANET IRENE BLASER M.A., M.F.T.
Marriage & Family Therapist
2403 S MORAY AVE, SUITE 1
SAN PEDRO, CA 90732
Los Angeles County (310) 892-5315

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 Siamak Marzban's NPI number?

The NPI number for Siamak Marzban is 1164447959. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is Siamak Marzban located?

Siamak Marzban practices at 2403 S Moray Ave Ste 2B, San Pedro, CA 90732. The listed phone number is (310) 832-2694.

What is Siamak Marzban's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Siamak Marzban enrolled in Medicare?

Yes. Siamak Marzban 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 Siamak Marzban was last updated on February 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.