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JESSICA KASSIS M.D.
NPI 1033394424
Obstetrics & Gynecology in Portola Valley, CA

Active since January 03, 2008Opted out of Medicare · through Apr 1, 2027
150 PORTOLA RD STE A, PORTOLA VALLEY, CA 94028(650) 585-3272(650) 860-1830 Get Directions Write a Review

NPPES record last updated: April 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 19, 2025, Jun 4, 2020, Nov 21, 2019 (3 updates tracked since 2019).

About Jessica Kassis M.d. NPPES

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

JESSICA KASSIS M.D. (NPI 1033394424) is an individual obstetrics & gynecology provider in Portola Valley, California, licensed in California (A105126) and active in the NPI registry since January 2008. She has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1033394424
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameJESSICA KASSISCredential: M.D.
Location Address150 PORTOLA RD STE APortola Valley, CA 94028-7852
Mailing Address125 Doherty WayRedwood City, CA 94061-4113 · (650) 504-0294
Phone(650) 585-3272
Fax(650) 860-1830
Sole ProprietorNo
Enumeration DateJanuary 3, 2008
Last NPPES UpdateApril 14, 20253 updates tracked since enumeration
NPPES CertifiedApril 14, 2025
✔ NPI 1033394424 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 · A105126
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.
150 PORTOLA RD STE A, Portola Valley, CA 94028
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Jessica Kassis M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2025 through April 1, 2027.

Opt-Out Effective DateApril 1, 2025
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims 3

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.

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.
37 services37 patients
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.
20 services14 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94028 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 2

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

RADIANT WOMENS HEALTH - PALO ALTO INC
Obstetrics & Gynecology (Gynecology)
150 PORTOLA RD STE A
PORTOLA VALLEY, CA 94028
San Mateo County (650) 585-3272
NILE KIYOTO JONES RN
Registered Nurse
150 PORTOLA RD STE A
PORTOLA VALLEY, CA 94028
San Mateo County (650) 530-0015

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 Jessica Kassis's NPI number?

The NPI number for Jessica Kassis is 1033394424. It was assigned to this individual provider in the NPPES registry on January 3, 2008.

Where is Jessica Kassis located?

Jessica Kassis practices at 150 Portola Rd Ste A, Portola Valley, CA 94028. The listed phone number is (650) 585-3272.

What is Jessica Kassis's specialty?

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

Is Jessica Kassis enrolled in Medicare?

No. Jessica Kassis has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Jessica Kassis was last updated on April 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.