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Obstetrics/Gynecology

Gregory R. Klis, MD

Works at hospitals in Bakersfield, CA · California

Summary

Gregory R. Klis, MD (Obstetrics/Gynecology) is listed by Medicare at 2 hospitals in Bakersfield, CA. NPI 1508844648. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gregory R. Klis, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
University Of Minnesota Medical SchoolMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Gregory R. Klis work at?
Medicare's official clinician data lists Gregory R. Klis at 2 hospitals: Adventist Health Bakersfield and Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory R. Klis see patients?
Medicare's clinician data lists 1 practice location in Bakersfield, CA. Call before your visit to confirm the address.
What is Gregory R. Klis's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Gregory R. Klis accept Medicare assignment?
Yes. Medicare's clinician data says Gregory R. Klis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Gregory R. Klis?
(661) 829-0026, as listed in official Medicare / NPI Registry data.
What is Gregory R. Klis's NPI number?
1508844648. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory R. Klis works

Medicare's Facility Affiliation Data lists Gregory R. Klis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Gregory R. Klis is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Bakersfield

Clinicians with the same Medicare primary specialty in Bakersfield, CA — not a recommendation.

All OB-GYNs in Bakersfield →

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508844648
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians