DR. SIAMAK TABIB M.D.
NPI 1063555845
Internal Medicine - Gastroenterology in Los Angeles, CA

Active since February 14, 2007PECOS EnrolledAccepts Medicare Assignment
6.88/100
CMS Quality Rating
8631 W 3RD ST, SUITE 1015E, LOS ANGELES, CA 90048(310) 652-4472(310) 358-2266 Get Directions Write a Review

NPPES record last updated: December 27, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Siamak Tabib M.d. NPPES

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

DR. SIAMAK TABIB M.D. (NPI 1063555845) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A66169) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1997).

NPPES Registry Identity

NPI1063555845
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. SIAMAK TABIBCredential: M.D.
Location Address8631 W 3RD ST, SUITE 1015ELos Angeles, CA 90048-5901
Mailing Address8631 W 3rd St, Suite 1015eLos Angeles, CA 90048-5901 · (310) 652-4472 · Fax (310) 358-2266
Fax(310) 358-2266
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1997
Enumeration DateFebruary 14, 2007
Last NPPES UpdateDecember 27, 2012
NPI 1063555845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A66169
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
8631 W 3RD ST, Los Angeles, CA 90048

Other Identifiers 3

Medicare UPINX93516CA
Medicare ID-Type UnspecifiedWA66169A
Medicare ID-Type UnspecifiedW16496

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 Tabib 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 ID9537109921
PECOS Enrollment IDI20120614000045
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 05D2162843

Siamak Tabib MD Inc · Los Angeles, CA
Expired · Jul 31, 2026
CLIA Number05D2162843
Laboratory TypePhysician Office
Certificate Effective DateMarch 18, 2020
Certificate Expiration DateJuly 31, 2026
Laboratory DirectorThong Nguyen
Laboratory Phone(310) 963-4123
Laboratory LocationSiamak Tabib MD Inc8631 W 3rd St Ste 1015E, Los Angeles, CA 90048
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 7

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.
404 services176 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
57 services57 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
51 services51 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
40 services40 patients
Destruction of polyp or growth of large bowel using a flexible endoscope 45388
This procedure involves the removal of a polyp or growth in the large bowel. A flexible endoscope, a thin tube with a camera, is inserted through the rectum to visualize and remove the growth. This helps maintain bowel health and prevent complications.
30 services30 patients
Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43270
This procedure involves using a flexible tool called an endoscope to identify and remove abnormal growths or polyps in the esophagus, stomach, or upper small bowel. It's a safe way to prevent these growths from causing health issues.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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.

6.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost22.96

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.

Internal Medicine (Cardiovascular Disease)
8631 W 3RD ST, SUITE 1030
LOS ANGELES, CA 90048
Physician Assistant
8631 W 3RD ST, 715E
LOS ANGELES, CA 90048
Dentist (General Practice)
8631 W 3RD ST, 1010E
LOS ANGELES, CA 90048
Surgery (Vascular Surgery)
8631 W 3RD ST, SUITE 615E
LOS ANGELES, CA 90048
Internal Medicine (Pulmonary Disease)
8631 W 3RD ST, SUITE 735
LOS ANGELES, CA 90048
Internal Medicine (Pulmonary Disease)
8631 W 3RD ST, SUITE 735E
LOS ANGELES, CA 90048
Dentist (General Practice)
8631 W 3RD ST, SUITE 730-E
LOS ANGELES, CA 90048
Otolaryngology
8631 W 3RD ST, SUITE 440 EAST
LOS ANGELES, CA 90048

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 Tabib's NPI number?

The NPI number for Siamak Tabib is 1063555845. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Where is Siamak Tabib located?

Siamak Tabib practices at 8631 W 3rd St Suite 1015E, Los Angeles, CA 90048. The listed phone number is (310) 652-4472.

What is Siamak Tabib's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Siamak Tabib enrolled in Medicare?

Yes. Siamak Tabib 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 Tabib was last updated on December 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.