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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SHERI L TASK M.D.
NPI 1124063789
Obstetrics & Gynecology in Hayward, CA

Active since June 18, 2006
27212 CALAROGA AVE, HAYWARD, CA 94545(510) 785-5000(510) 784-2402 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Sheri L Task M.d. NPPES

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

DR. SHERI L TASK M.D. (NPI 1124063789) is an individual obstetrics & gynecology provider in Hayward, California, licensed in California (G79269) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1124063789
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. SHERI L TASKCredential: M.D.
Location Address27212 CALAROGA AVEHayward, CA 94545-4339
Mailing Address27212 Calaroga AveHayward, CA 94545-4339 · (510) 785-5000 · Fax (510) 784-2402
Phone(510) 785-5000
Fax(510) 784-2402
Sole ProprietorNo
Enumeration DateJune 18, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1124063789 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 · G79269
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.
27212 CALAROGA AVE, Hayward, CA 94545
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Other Providers at the Same Location NPPES 20

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

CAROLYN E. HUDSON M.D.
Pediatrics
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 785-5000
BAY VALLEY MEDICAL GROUP
Podiatrist
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 785-5000
RALPH A BOUCHER M.D.
Internal Medicine (Cardiovascular Disease)
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 785-5000
DR. ROLAND J WONG M.D.
Urology
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 785-5000
BAY VALLEY MEDICAL GROUP, INC.
General Practice
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 785-5000
JAMES BATEMAN R.PH.
Pharmacist
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 783-5532
KAAREL T. KALJOT M.D.
Internal Medicine
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 785-5000
MULLEN PHARMACY INC
Pharmacy (Community/Retail Pharmacy)
27212 CALAROGA AVE
HAYWARD, CA 94545
Alameda County (510) 783-5532

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 Sheri Task's NPI number?

The NPI number for Sheri Task is 1124063789. It was assigned to this individual provider in the NPPES registry on June 18, 2006.

Where is Sheri Task located?

Sheri Task practices at 27212 Calaroga Ave, Hayward, CA 94545. The listed phone number is (510) 785-5000.

What is Sheri Task's specialty?

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

When was this NPI record last updated?

The NPPES record for Sheri Task was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.