MICHAEL J SANTORO M.D.
NPI 1396722435
Internal Medicine - Gastroenterology in Mission Viejo, CA

Q: What is Michael Santoro's NPI number?

The NPI number for Michael Santoro is 1396722435. It was assigned to this individual provider in the NPPES registry on December 29, 2005.

Q: What is Michael Santoro's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Michael Santoro was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since December 29, 2005PECOS EnrolledAccepts Medicare Assignment

27871 MEDICAL CENTER RD, SUITE 200, MISSION VIEJO, CA 92691(949) 364-5090(949) 542-8710 Get Directions Write a Review

NPPES record last updated: October 28, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 28, 2020, Jul 14, 2020 (2 updates tracked since 2020).

On this page

About Michael J Santoro M.d. NPPES

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

MICHAEL J SANTORO M.D. (NPI 1396722435) is an individual gastroenterology provider in Mission Viejo, California, licensed in California (G67419) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1987).

NPPES Registry Identity

NPI1396722435

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMICHAEL J SANTOROCredential: M.D.

Location Address27871 MEDICAL CENTER RD, SUITE 200Mission Viejo, CA 92691-6404

Mailing Address27871 Medical Center Rd Ste 240Mission Viejo, CA 92691-6406 · (949) 364-5090 · Fax (949) 542-8710

Phone(949) 364-5090

Fax(949) 542-8710

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 1987

Enumeration DateDecember 29, 2005

Last NPPES UpdateOctober 28, 20202 updates tracked since enumeration

NPPES CertifiedOctober 28, 2020

✔ NPI 1396722435 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 · G67419

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.

27871 MEDICAL CENTER RD, Mission Viejo, CA 92691

Open in Google Maps ↗

Other Identifiers 1

Medicaid00G674190CA

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

Michael J Santoro 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 ID1052417615

PECOS Enrollment IDI20070921000520

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 12

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.

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.

180 services179 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.

152 services148 patients

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.

131 services131 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.

111 services110 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.

83 services72 patients

Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251

This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.

43 services43 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

36 services36 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.

36 services36 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.

35 services35 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

25 services25 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

14 services14 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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.

Leave this field empty

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. LUIS ALBERTO CHANES M.D.

Ophthalmology

27871 MEDICAL CENTER RD, SUITE 120
MISSION VIEJO, CA 92691

Orange County (949) 364-6688

FACULTY PHYSICIANS AND SURGEONS OF LLUSM

Pediatrics

27871 MEDICAL CENTER RD, STE 140
MISSION VIEJO, CA 92691

Orange County (909) 522-2799

MS. ALICE MARIE DAUGHERTY NURSE PRACTITIONER

Nurse Practitioner (Family)

27871 MEDICAL CENTER RD, SUITE 240
MISSION VIEJO, CA 92691

Orange County (949) 364-5090

NAHID BIRJANDI PODIATRIC INC

Clinic/Center (Podiatric)

27871 MEDICAL CENTER RD, SUITE 130
MISSION VIEJO, CA 92691

Orange County (949) 365-1700

ALEXANDER ARTHUR PRATTES

General Practice

27871 MEDICAL CENTER RD, #160
MISSION VIEJO, CA 92691

Orange County (949) 364-6004

MISSION INTERNAL MEDICAL GROUP, INC.

Anesthesiology

27871 MEDICAL CENTER RD, SUITE 200
MISSION VIEJO, CA 92691

Orange County (949) 347-8314

DR. RAMA GHAEM MAGHAMI DDS

Dentist (General Practice)

27871 MEDICAL CENTER RD, SUITE 165
MISSION VIEJO, CA 92691

Orange County (949) 364-2529

DR. ROBERT CHARLES HIRST DDS,MS

Dentist (Periodontics)

27871 MEDICAL CENTER RD, #260
MISSION VIEJO, CA 92691

Orange County (949) 364-2850

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 Michael Santoro's NPI number?

The NPI number for Michael Santoro is 1396722435. It was assigned to this individual provider in the NPPES registry on December 29, 2005.

Where is Michael Santoro located?

Michael Santoro practices at 27871 Medical Center Rd Suite 200, Mission Viejo, CA 92691. The listed phone number is (949) 364-5090.

What is Michael Santoro's specialty?

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

Is Michael Santoro enrolled in Medicare?

Yes. Michael Santoro 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 Michael Santoro was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.