Doctor profile · Federal record

Dr. Jessica Kassis, M.D.

Obstetrics & Gynecology Physician · Portola Valley, CA

  • NPI 1033394424
  • 18 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
150 Portola RD Ste A
Portola Valley, CA 940287852
(650) 585-3272
fax (650) 860-1830
Additional location
301 Industrial RD
San Carlos, CA 940702603
(650) 596-4240
fax (650) 551-7038
Mailing address
125 Doherty Way
Redwood City, CA 940614113

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
April 14, 2025
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A105126

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033394424. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
3
Medicare allowed
$6,269
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 30 30 $48
99213 Established patient office or other outpatient visit, 20-29 minutes 26 21 $109
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $153

In context: peer comparison

Among 1 peers in this city , average services per provider: 23. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
110
Patients
15
Total drug cost
$24,221
Drug Type Claims Patients Total cost
Estradiol Generic 36 15 $8,850
Estradiol (Twice Weekly) (Estradiol) Brand 24 0 $3,781
Estradiol (Once Weekly) (Estradiol) Brand 22 0 $2,680
Estring (Estradiol) Brand 14 0 $7,742
Progesterone (Progesterone, Micronized) Brand 14 0 $1,168

Frequently asked questions

Auto-generated from federal data
What is Dr. Jessica Kassis's medical specialty?
Dr. Jessica Kassis practices Obstetrics & Gynecology Physician in Portola Valley, CA.
Where does Dr. Jessica Kassis practice?
Dr. Jessica Kassis practices at 150 Portola RD Ste A, Portola Valley, CA 940287852. Office phone: 6505853272.
What is Dr. Jessica Kassis's NPI?
Dr. Jessica Kassis's National Provider Identifier (NPI) is 1033394424, issued by NPPES.
What procedures does Dr. Jessica Kassis commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.