1. Home
  2. Directory
  3. California
  4. Pasadena
  5. Internal Medicine
  6. NPI Profile

PASADENA GASTROENTEROLOGY MEDICAL GROUP INC
NPI 1487855086
Internal Medicine - Gastroenterology in Pasadena, CA

Active since May 30, 2007
2750 E WASHINGTON BLVD, STE 330, PASADENA, CA 91107(626) 797-9883 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Pasadena Gastroenterology Medical Group Inc NPPES

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

PASADENA GASTROENTEROLOGY MEDICAL GROUP INC (NPI 1487855086) is a healthcare organization registered as a gastroenterology in Pasadena, California and active in the NPI registry since May 2007. The organization lists Bea Thomas, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1487855086
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NamePASADENA GASTROENTEROLOGY MEDICAL GROUP INC
Location Address2750 E WASHINGTON BLVD, STE 330Pasadena, CA 91107-1448
Mailing Address2750 E. Washington Blvd, Ste 330Pasadena, CA 91107 · (626) 797-9883
Phone(626) 797-9883
Organization SubpartNo
Authorized OfficialBea ThomasOffice Manager · (626) 797-9883
Enumeration DateMay 30, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1487855086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
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.
2750 E WASHINGTON BLVD, Pasadena, CA 91107
Open in Google Maps ↗

Other Identifiers 1

MedicaidGROO29750CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Pasadena Gastroenterology Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20100727000514Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Pasadena Gastroenterology Medical Group Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Issac Bartley, M.D.
Gastroenterology
NPI 1710088729
1560 E CHEVY CHASE DR STE 225
Glendale, CA 91206
(818) 956-7507
✔ PECOS✔ Accepts Medicare7.8 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Pasadena Gastroenterology Medical Group Inc's NPI number?

The NPI number for Pasadena Gastroenterology Medical Group Inc is 1487855086. It was assigned to this organization in the NPPES registry on May 30, 2007.

Where is Pasadena Gastroenterology Medical Group Inc located?

Pasadena Gastroenterology Medical Group Inc is located at 2750 E Washington Blvd Ste 330, Pasadena, CA 91107. The listed phone number is (626) 797-9883.

What is Pasadena Gastroenterology Medical Group Inc's specialty?

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

Is Pasadena Gastroenterology Medical Group Inc enrolled in Medicare?

Yes. Pasadena Gastroenterology Medical Group Inc is registered in the Medicare PECOS enrollment system.

When is Pasadena Gastroenterology Medical Group Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Pasadena Gastroenterology Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Pasadena Gastroenterology Medical Group Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Pasadena Gastroenterology Medical Group Inc was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.