DR. GILBERT SIMONI M.D., FACG
NPI 1316922958
Internal Medicine - Gastroenterology in Thousand Oaks, CA

Q: What is Gilbert Simoni's NPI number?

The NPI number for Gilbert Simoni is 1316922958. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Q: What is Gilbert Simoni'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 Gilbert Simoni was last updated on July 21, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since December 07, 2005PECOS Enrolled

79.22/100

CMS Quality Rating

555 MARIN ST STE 270, THOUSAND OAKS, CA 91360(805) 719-0244(805) 777-1730 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2022, Jan 19, 2022, Aug 2, 2017 (3 updates tracked since 2017).

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About Dr. Gilbert Simoni M.d., Facg NPPES

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

DR. GILBERT SIMONI M.D., FACG (NPI 1316922958) is an individual gastroenterology provider in Thousand Oaks, California, licensed in California (A77140) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1316922958

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. GILBERT SIMONICredential: M.D., FACG

Location Address555 MARIN ST STE 270Thousand Oaks, CA 91360-4112

Mailing Address555 Marin St, Suite 270Thousand Oaks, CA 91360-4236 · (805) 719-0244 · Fax (805) 777-1730

Phone(805) 719-0244

Fax(805) 777-1730

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateDecember 7, 2005

Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration

NPPES CertifiedOctober 1, 2021

✔ NPI 1316922958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in CA · A77140✔ Licensed in NJ · MA74330

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 A77140 (CA)

Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X · License A77140 (CA)

555 MARIN ST STE 270, Thousand Oaks, CA 91360

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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 (PECOS)

Dr. Gilbert Simoni M.d., Facg is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7315970787

PECOS Enrollment IDI20061120000297, I20151016001114

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 26

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.

312 services160 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.

188 services188 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.

149 services149 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.

95 services74 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.

89 services86 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

68 services65 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.

62 services62 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

58 services55 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

57 services54 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

57 services54 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.

52 services52 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

49 services47 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

45 services45 patients

Biopsy of large bowel using a flexible endoscope 45380

42 services42 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

40 services26 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

36 services36 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

32 services31 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

27 services26 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

20 services20 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.

16 services16 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

16 services15 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

15 services14 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.

15 services15 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.

14 services13 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.

12 services12 patients

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

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91360 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

$140.72 typical visit price

range $62.32 – $185.36

Typical copayment $35.18 (range $15.58 – $46.34)

Most-billed visit code 99204

Established Patient

$108.74 typical visit price

range $20.68 – $151.85

Typical copayment $27.18 (range $5.17 – $37.96)

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.

79.22/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

86.14

Promoting Interoperability

Improvement Activities

Cost

47.11

Reported Quality Measures

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

74%369 patients3/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

0%383 patients1/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

99%383 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

58%383 patients4/55-star benchmark: 59%

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 4

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

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

1 supplier50 claims550 services$11.26 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197

Other-Enteral and Parenteral · category OB005N

1 supplier50 claims348 services$280.33 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

1 supplier50 claims348 services$8.02 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

1 supplier50 claims348 services$25.06 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 3

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

ADVANCED GASTROENTEROLOGY, INC.

Internal Medicine (Gastroenterology)

555 MARIN ST STE 270
THOUSAND OAKS, CA 91360

Ventura County (805) 719-0244

ADVANCED DIGESTIVE CENTER OF SOUTHERN CALIFORNIA LLC

Clinic/Center (Ambulatory Surgical)

555 MARIN ST STE 270
THOUSAND OAKS, CA 91360

Ventura County (805) 719-0244

SAHAR AFRAND FARIMAN FNP-C

Nurse Practitioner (Adult Health)

555 MARIN ST STE 270
THOUSAND OAKS, CA 91360

Ventura County (805) 719-0244

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 Gilbert Simoni's NPI number?

The NPI number for Gilbert Simoni is 1316922958. It was assigned to this individual provider in the NPPES registry on December 7, 2005.

Where is Gilbert Simoni located?

Gilbert Simoni practices at 555 Marin St Ste 270, Thousand Oaks, CA 91360. The listed phone number is (805) 719-0244.

What is Gilbert Simoni's specialty?

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

Is Gilbert Simoni enrolled in Medicare?

Yes. Gilbert Simoni is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gilbert Simoni was last updated on July 21, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.