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DR. KATHARINE BOURDET SIMMONS M.D.
NPI 1508008624
Obstetrics & Gynecology in San Leandro, CA

Active since April 03, 2009PECOS EnrolledAccepts Medicare Assignment
2500 MERCED ST FL 4, SAN LEANDRO, CA 94577(510) 454-4090 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Dec 16, 2021 (2 updates tracked since 2021).

About Dr. Katharine Bourdet Simmons M.d. NPPES

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

DR. KATHARINE BOURDET SIMMONS M.D. (NPI 1508008624) is an individual obstetrics & gynecology provider in San Leandro, California, licensed in California (A148588) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (2009).

NPPES Registry Identity

NPI1508008624
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KATHARINE BOURDET SIMMONSCredential: M.D.
Location Address2500 MERCED ST FL 4San Leandro, CA 94577-4201
Mailing Address2500 Merced St Fl 4San Leandro, CA 94577-4201 · (510) 454-4090
Phone(510) 454-4090
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2009
Enumeration DateApril 3, 2009
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
NPPES CertifiedJuly 21, 2022
✔ NPI 1508008624 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 · A148588
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 FL 4, San Leandro, CA 94577
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Katharine Bourdet Simmons M.d. 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 ID4385881531
PECOS Enrollment IDI20171004003758
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.

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.

Other Providers at the Same Location NPPES

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

DR. FAYE HWA-YOUNG YU M.D.
Surgery
2500 MERCED ST FL 4
SAN LEANDRO, CA 94577
Alameda County (510) 454-7100

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 Katharine Simmons's NPI number?

The NPI number for Katharine Simmons is 1508008624. It was assigned to this individual provider in the NPPES registry on April 3, 2009.

Where is Katharine Simmons located?

Katharine Simmons practices at 2500 Merced St Fl 4, San Leandro, CA 94577. The listed phone number is (510) 454-4090.

What is Katharine Simmons's specialty?

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

Is Katharine Simmons enrolled in Medicare?

Yes. Katharine Simmons 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.

When was this NPI record last updated?

The NPPES record for Katharine Simmons 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.