MR. GREGORY R KLIS MD
NPI 1508844648
Obstetrics & Gynecology in Bakersfield, CA

Q: What is Gregory Klis's NPI number?

The NPI number for Gregory Klis is 1508844648. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Q: What is Gregory Klis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gregory Klis was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since January 09, 2006PECOS EnrolledAccepts Medicare Assignment

100 OLD RIVER RD, BAKERSFIELD, CA 93311(661) 663-4800(661) 663-4871 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jul 7, 2017 (3 updates tracked since 2017).

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About Mr. Gregory R Klis Md NPPES

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

MR. GREGORY R KLIS MD (NPI 1508844648) is an individual obstetrics & gynecology provider in Bakersfield, California, licensed in California (G83369) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bakersfield, and is a graduate of University Of Minnesota Medical School (1992).

NPPES Registry Identity

NPI1508844648

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameMR. GREGORY R KLISCredential: MD

Location Address100 OLD RIVER RDBakersfield, CA 93311-8823

Mailing Address100 Old River RdBakersfield, CA 93311-8823 · (661) 663-4800 · Fax (661) 663-4871

Phone(661) 663-4800

Fax(661) 663-4871

Sole ProprietorYes

Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 1992

Enumeration DateJanuary 9, 2006

Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration

✔ NPI 1508844648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G83369

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.

100 OLD RIVER RD, Bakersfield, CA 93311

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Secondary Practice Location 1

Location 1300 Old River Rd, Ste 200Bakersfield, CA 93311 · Phone (661) 663-4800 · Fax (661) 663-4871

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Gregory R Klis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8729002043

PECOS Enrollment IDI20081121000134

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.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Klis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gregory R Klis MD Inc

1.3 mi

Obstetrics & Gynecology

8339 BRIMHALL RD STE 1303
Bakersfield, CA 93312

Reassigned Medicare billing, California enrollment

NPI 1821861881 (661) 829-0026

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

Areas of Expertise CMS Part B claims 9

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 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.

136 services103 patients

Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091

A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.

128 services128 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

127 services127 patients

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.

55 services48 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.

35 services35 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93311 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

$135.05 typical visit price

range $59.26 – $178.09

Typical copayment $33.76 (range $14.81 – $44.52)

Most-billed visit code 99204

Established Patient

$73.67 typical visit price

range $19.34 – $145.64

Typical copayment $18.41 (range $4.83 – $36.41)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

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

MRS. JACQUELINE AVA WILLIAMS-OLANGO MD

Obstetrics & Gynecology