THEODORE SY MD
NPI 1003865627
Internal Medicine - Gastroenterology in Laguna Hills, CA

Active since May 09, 2006PECOS EnrolledAccepts Medicare Assignment
76.74/100
CMS Quality Rating
26538 MOULTON PKWY STE 38E, LAGUNA HILLS, CA 92653(949) 448-0656 Get Directions Write a Review

NPPES record last updated: February 7, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 7, 2022, Jul 3, 2018 (2 updates tracked since 2018).

About Theodore Sy Md NPPES

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

THEODORE SY MD (NPI 1003865627) is an individual gastroenterology provider in Laguna Hills, California, licensed in California (A90266) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2003).

NPPES Registry Identity

NPI1003865627
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameTHEODORE SYCredential: MD
Location Address26538 MOULTON PKWY STE 38ELaguna Hills, CA 92653
Mailing Address26538 Moulton Pkwy Ste 38eLaguna Hills, CA 92653-8232
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2003
Enumeration DateMay 9, 2006
Last NPPES UpdateFebruary 7, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2022
NPI 1003865627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A90266
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License A90266 (CA)
26538 MOULTON PKWY STE 38E, Laguna Hills, CA 92653

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

Theodore Sy Md 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 ID7911905989
PECOS Enrollment IDI20061129000547
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 9

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
54 services54 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
47 services47 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.
46 services46 patients
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.
40 services32 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.
23 services19 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.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 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.

76.74/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.94
Promoting Interoperability78
Improvement Activities40
Cost55.12

Other Providers at the Same Location NPPES 7

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

Family Medicine
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Family Medicine
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Family Medicine
26538 MOULTON PKWY STE 38E
ALISO VIEJO, CA 92653
Internal Medicine (Rheumatology)
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Internal Medicine (Gastroenterology)
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Family Medicine
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653
Pediatrics
26538 MOULTON PKWY STE 38E
LAGUNA HILLS, CA 92653

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 Theodore Sy's NPI number?

The NPI number for Theodore Sy is 1003865627. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is Theodore Sy located?

Theodore Sy practices at 26538 Moulton Pkwy Ste 38E, Laguna Hills, CA 92653. The listed phone number is (949) 448-0656.

What is Theodore Sy's specialty?

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

Is Theodore Sy enrolled in Medicare?

Yes. Theodore Sy 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 Theodore Sy was last updated on February 7, 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.