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STEPHANIE CAI MD
NPI 1396290565
Obstetrics & Gynecology in San Leandro, CA

Active since August 17, 2016PECOS EnrolledAccepts Medicare Assignment
2500 MERCED ST # 406, SAN LEANDRO, CA 94577(510) 427-3408 Get Directions Write a Review

NPPES record last updated: September 12, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 12, 2024, Jun 12, 2020, Aug 17, 2016 (3 updates tracked since 2016).

About Stephanie Cai Md NPPES

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

STEPHANIE CAI MD (NPI 1396290565) is an individual obstetrics & gynecology provider in San Leandro, California, licensed in California (A194962) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2020).

NPPES Registry Identity

NPI1396290565
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameSTEPHANIE CAICredential: MD
Location Address2500 MERCED ST # 406San Leandro, CA 94577-4201
Mailing Address2500 Merced St # 406San Leandro, CA 94577-4201 · (510) 427-3408
Phone(510) 427-3408
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2020
Enumeration DateAugust 17, 2016
Last NPPES UpdateSeptember 12, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2024
✔ NPI 1396290565 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 · A194962
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.
2500 MERCED ST # 406, San Leandro, CA 94577
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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

Stephanie Cai 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 ID1355765587
PECOS Enrollment IDI20240827002343
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 Stephanie Cai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
15 mi
Internal Medicine
1190 VETERANS BLVD
Redwood City, CA 94063
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1639252604 (650) 299-2000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94577 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.

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 Stephanie Cai's NPI number?

The NPI number for Stephanie Cai is 1396290565. It was assigned to this individual provider in the NPPES registry on August 17, 2016.

Where is Stephanie Cai located?

Stephanie Cai practices at 2500 Merced St # 406, San Leandro, CA 94577. The listed phone number is (510) 427-3408.

What is Stephanie Cai's specialty?

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

Is Stephanie Cai enrolled in Medicare?

Yes. Stephanie Cai is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Stephanie Cai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Cai reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephanie Cai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Stephanie Cai was last updated on September 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.