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GREGORY R KLIS MD INC
NPI 1821861881
Obstetrics & Gynecology in Bakersfield, CA

Active since November 01, 2023
8339 BRIMHALL RD STE 1303, BAKERSFIELD, CA 93312(661) 829-0026 Get Directions Write a Review

NPPES record last updated: November 1, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gregory R Klis Md Inc NPPES

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

GREGORY R KLIS MD INC (NPI 1821861881), doing business as California Obstetrics & Gynecology Institute, is a healthcare organization registered as an obstetrics & gynecology in Bakersfield, California and active in the NPI registry since November 2023. The organization lists Gregory R Klis, Owner, as its authorized official.

NPPES Registry Identity

NPI1821861881
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameGREGORY R KLIS MD INC
Location Address8339 BRIMHALL RD STE 1303Bakersfield, CA 93312-4088
Mailing Address8339 Brimhall Rd Ste 1303Bakersfield, CA 93312-4088 · (661) 829-0026
Phone(661) 829-0026
Organization SubpartNo
Authorized OfficialGregory R KlisOwner · (661) 340-0626
Enumeration DateNovember 1, 2023
NPPES CertifiedOctober 30, 2023
✔ NPI 1821861881 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
8339 BRIMHALL RD STE 1303, Bakersfield, CA 93312
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Other Names 1

Doing Business AsCalifornia Obstetrics & Gynecology Institute

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)

Gregory R Klis Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gregory R Klis MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gregory Klis, MD
Obstetrics/Gynecology
NPI 1508844648
100 OLD RIVER RD
Bakersfield, CA 93311
(661) 663-4800
✔ PECOS✔ Accepts Medicare1.3 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 Gregory R Klis MD Inc's NPI number?

The NPI number for Gregory R Klis MD Inc is 1821861881. It was assigned to this organization in the NPPES registry on November 1, 2023. The provider is doing business as California Obstetrics & Gynecology Institute.

Where is Gregory R Klis MD Inc located?

Gregory R Klis MD Inc is located at 8339 Brimhall Rd Ste 1303, Bakersfield, CA 93312. The listed phone number is (661) 829-0026.

What is Gregory R Klis MD Inc's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Gregory R Klis MD Inc enrolled in Medicare?

Yes. Gregory R Klis MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gregory R Klis MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Gregory R Klis MD 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 Gregory R Klis MD Inc was last updated on November 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.