MR. GREGORY R KLIS (MD) – Obstetrics & Gynecology Physician, NPI 1508844648
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
Provider Addresses for MR. GREGORY R KLIS (MD)
300 Old River Rd
Ste 200
Bakersfield, CA 93311
Phone: (661) 663-4800
Fax: (661) 663-4871
Type: Location
Old River Road, Bakersfield, Kern County, California, United States
BAKERSFIELD, CA 933118823
Phone: (661) 663-4800
Fax: (661) 663-4871
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 47 Open Payments records for all available years, with a total value of $1,068.
Total Amount is formed as General ($1,068) + Research ($0) + Ownership ($0) = $1,068.
Last reported payment date: 2024-12-22 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($353).
Total Amount
$1,068
General + Research + Ownership
Payments
47
Total payment records
General Amount
$1,068
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $353 |
| Organon LLC | $197 |
| ABBVIE INC. | $105 |
| Astellas Pharma US Inc | $73 |
| Sage Therapeutics, Inc. | $66 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-11-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20081121000134 | I | Obstetrics/Gynecology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 103 | 81 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 96 | 73 | $0 |
| 77067 | Screening mammography | 80 | 80 | $0 |
| 77063 | Screening 3d breast mammography | 80 | 80 | $0 |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 58 | 58 | $0 |
Insurance plans in this area (ZIP 93311)
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