OASIS ADVANCED GASTROENTEROLOGY, INC.
NPI 1073027603
Internal Medicine - Gastroenterology in Palm Springs, CA

Q: What is Oasis Advanced Gastroenterology, Inc.'s specialty?

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

Active since November 17, 2017

100 N PALM CANYON DR STE 214, PALM SPRINGS, CA 92262(760) 699-7607 Get Directions Write a Review

NPPES record last updated: April 24, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 24, 2018, Jan 15, 2018, Nov 17, 2017 (3 updates tracked since 2017).

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About Oasis Advanced Gastroenterology, Inc. NPPES

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

OASIS ADVANCED GASTROENTEROLOGY, INC. (NPI 1073027603) is a healthcare organization registered as a gastroenterology in Palm Springs, California and active in the NPI registry since November 2017. The organization maintains a secondary practice location in Palm Springs and lists Mehrdad Asgeri, President, as its authorized official.

NPPES Registry Identity

NPI1073027603

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameOASIS ADVANCED GASTROENTEROLOGY, INC.

Location Address100 N PALM CANYON DR STE 214Palm Springs, CA 92262-5504

Mailing Address44489 Town Center Way Ste D520Palm Desert, CA 92260-2723 · (440) 454-2770

Phone(760) 699-7607

Organization SubpartNo

Authorized OfficialMehrdad AsgeriPresident · (440) 454-2770

Enumeration DateNovember 17, 2017

Last NPPES UpdateApril 24, 20183 updates tracked since enumeration

✔ NPI 1073027603 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 · C128282

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.

100 N PALM CANYON DR STE 214, Palm Springs, CA 92262

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Secondary Practice Location 1

Location 11100 N Palm Canyon Dr Ste 214Palm Springs, CA 92262-4426 · Phone (760) 699-7607

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oasis Advanced Gastroenterology, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Oasis Advanced Gastroenterology, Inc., which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Mehrdad Asgeri, MD

Gastroenterology

NPI 1063453868

1100 N PALM CANYON DR STE 214
Palm Springs, CA 92262

(440) 454-2770

✔ PECOS✔ Accepts Medicare1.0 mi

Khodadad Mehraein, M.D.

Pathology

NPI 1316147374

1415 E 17TH ST SUITE 280
Santa Ana, CA 92705

(562) 225-2002

✔ PECOS✔ Accepts Medicare75 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 Oasis Advanced Gastroenterology, Inc.'s NPI number?

The NPI number for Oasis Advanced Gastroenterology, Inc. is 1073027603. It was assigned to this organization in the NPPES registry on November 17, 2017.

Where is Oasis Advanced Gastroenterology, Inc. located?

Oasis Advanced Gastroenterology, Inc. is located at 100 N Palm Canyon Dr Ste 214, Palm Springs, CA 92262. The listed phone number is (760) 699-7607.

What is Oasis Advanced Gastroenterology, Inc.'s specialty?

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

Is Oasis Advanced Gastroenterology, Inc. enrolled in Medicare?

Yes. Oasis Advanced Gastroenterology, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oasis Advanced Gastroenterology, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Oasis Advanced Gastroenterology, Inc., in Gastroenterology and Pathology. 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. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Oasis Advanced Gastroenterology, Inc. was last updated on April 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.