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HAYWARD WELLNESS CENTER
NPI 1023219821
Clinic/Center - Federally Qualified Health Center (FQHC) in Hayward, CA

Active since May 30, 2007CLIA Certified · 3 labs
664 SOUTHLAND MALL, HAYWARD, CA 94545(510) 266-1700(510) 782-8766 Get Directions Write a Review

NPPES record last updated: April 27, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Hayward Wellness Center NPPES

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

HAYWARD WELLNESS CENTER (NPI 1023219821) is a healthcare organization registered as a federally qualified health center (fqhc) in Hayward, California and active in the NPI registry since May 2007. The organization holds 3 active CLIA laboratory certificates and lists Kim Miranda, Cfo, as its authorized official.

NPPES Registry Identity

NPI1023219821
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameALAMEDA HEALTH SYSTEM
Location Address664 SOUTHLAND MALLHayward, CA 94545-2150
Mailing Address15400 Foothill BlvdSan Leandro, CA 94578-1009 · (510) 895-7344 · Fax (510) 895-7229
Phone(510) 266-1700
Fax(510) 782-8766
Organization SubpartNo
Authorized OfficialKim MirandaCfo · (510) 618-2147
Enumeration DateMay 30, 2007
Last NPPES UpdateApril 27, 2022
NPPES CertifiedApril 27, 2022
✔ NPI 1023219821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Taxonomy Code261QF0400X
License✔ Licensed in CA · EXEMPT UNDER 12-35B
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
664 SOUTHLAND MALL, Hayward, CA 94545
Open in Google Maps ↗

Other Names 1

Doing Business AsHayward Wellness Center

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hayward Wellness Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

890

Medicare enrollment records show 890 clinicians reassign Medicare billing to Hayward Wellness Center, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 90 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 58

Internal Medicine122
Psychiatry106
Emergency Medicine78
Nurse Practitioner56
Obstetrics/Gynecology46
Ophthalmology32
Certified Registered Nurse Anesthetist (CRNA)30
Anesthesiology29
50 other specialties391

Nearest to this location (20)

See all 890
Emily Fisher, M.D.
Internal Medicine
NPI 1356728687
664 SOUTHLAND MALL HAYWARD WELLNESS CENTER
Hayward, CA 94545
(510) 266-1700
✔ PECOS✔ Accepts MedicareSame address
Srilekha Puranam, M.D.
Internal Medicine
NPI 1043469778
664 SOUTHLAND MALL
Hayward, CA 94545
(510) 266-1741
✔ PECOS✔ Accepts MedicareSame address
Maiti Rodriguez, M.D.
Family Practice
NPI 1700263159
664 SOUTHLAND MALL
Hayward, CA 94545
(510) 266-1700
✔ PECOS✔ Accepts MedicareSame address
Karen Lind, M.D,
Emergency Medicine
NPI 1679720841
27200 CALAROGA AVE
Hayward, CA 94545
(510) 264-4026
✔ PECOS✔ Accepts Medicare1.4 mi
Shamsi Vatannia, MD
Obstetrics/Gynecology
NPI 1790863280
27212 CALAROGA AVE
Hayward, CA 94545
(510) 785-5000
✔ PECOS✔ Accepts Medicare1.5 mi
Yahya Ahmed, M.D.
Internal Medicine
NPI 1124283312
27200 CALAROGA AVE
Hayward, CA 94545
(510) 264-4000
✔ PECOS1.6 mi
Melissa Chalot, NP
Nurse Practitioner
NPI 1912209560
22331 MISSION BLVD
Hayward, CA 94541
(510) 471-5880
✔ PECOS✔ Accepts Medicare1.9 mi
Ankita Shrivastava
Internal Medicine
NPI 1730502881
22331 MISSION BLVD
Hayward, CA 94541
(425) 241-5950
✔ PECOS✔ Accepts Medicare1.9 mi
Kristina Austin, M.D.
Ophthalmology
NPI 1417007238
3553 WHIPPLE RD
Union City, CA 94587
(510) 454-1000
✔ PECOS✔ Accepts Medicare3.3 mi
David Wallace, MD, MPH
Critical Care (Intensivists)
NPI 1770780835
20103 LAKE CHABOT RD
Castro Valley, CA 94546
(510) 537-1234
✔ PECOS✔ Accepts Medicare3.3 mi
Monica Bhargava, MD
Pulmonary Disease
NPI 1619900347
20103 LAKE CHABOT RD
Castro Valley, CA 94546
(510) 889-5082
✔ PECOS✔ Accepts Medicare3.3 mi
Archana Aggarwal, M.D.
Nephrology
NPI 1326024084
20055 CASTRO VALLEY ROAD
Castro Valley 94546, CA 94546
(510) 881-1490
✔ PECOS✔ Accepts Medicare3.4 mi
Michael Krosin, MD
Orthopedic Surgery
NPI 1578705000
19845 LAKE CHABOT RD STE 200
Castro Valley, CA 94546
(510) 750-1967
✔ PECOS✔ Accepts Medicare3.5 mi
Ritva Laine, RD
Registered Dietitian or Nutrition Professional
NPI 1952545170
15235 CENTRAL AVE
San Leandro, CA 94578
(510) 352-2434
✔ Accepts Medicare3.7 mi
Thomas Rooker, LCSW
Clinical Social Worker
NPI 1033682604
15400 FOOTHILL BLVD
San Leandro, CA 94578
(510) 895-4228
✔ PECOS4.0 mi
Sukhi Johal, MD
Psychiatry
NPI 1417158981
15400 FOOTHILL BLVD
San Leandro, CA 94578
(775) 772-6848
✔ PECOS✔ Accepts Medicare4.1 mi
Diana Lawton, LMFT
Marriage and Family Therapist
NPI 1295209740
15400 FOOTHILL BLVD
San Leandro, CA 94578
(510) 895-4369
✔ PECOS4.1 mi
Daniel Winkle, M.D.
Physical Medicine and Rehabilitation
NPI 1629239553
13855 E 14TH ST
San Leandro, CA 94578
(510) 895-4527
✔ PECOS✔ Accepts Medicare4.8 mi
Eileen Nenninger, MD
Infectious Disease
NPI 1295199966
13851 E 14TH ST STE 308
San Leandro, CA 94578
(925) 463-1318
✔ PECOS✔ Accepts Medicare4.8 mi
Daniel Allen, MD
Plastic and Reconstructive Surgery
NPI 1063523819
13847 EAST 14TH STREET SUITE 109
San Leandro, CA 94578
(510) 357-7141
✔ PECOS✔ Accepts Medicare4.9 mi
See all 890 clinicians

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

CLIA Laboratory Certificates CMS CLIA 3

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0600744

Alameda Health System/Fairmount Campus · San Leandro, CA
Active · expires Dec 18, 2027
CLIA Number05D0600744
Laboratory TypeHospital
Certificate Effective DateDecember 19, 2025
Certificate Expiration DateDecember 18, 2027
Laboratory DirectorHarris S. Goodman
Laboratory Phone(510) 437-4668
Laboratory LocationAlameda Health System/Fairmount Campus15400 Foothill Blvd B Bldg, Ground Floor, San Leandro, CA 94578
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2134553

Alameda Health System/John George Psychiatric Hospital · San Leandro, CA
Active · expires Aug 3, 2027
CLIA Number05D2134553
Laboratory TypeHospital
Certificate Effective DateAugust 4, 2025
Certificate Expiration DateAugust 3, 2027
Laboratory DirectorHarris S. Goodman
Laboratory Phone(510) 437-4668
Laboratory LocationAlameda Health System/John George Psychiatric Hospital2060 Fairmont Dr, San Leandro, CA 94578
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0667246

Hayward Wellness · Hayward, CA
Active · expires Feb 25, 2027
CLIA Number05D0667246
Laboratory TypePhysician Office
Certificate Effective DateFebruary 26, 2025
Certificate Expiration DateFebruary 25, 2027
Laboratory DirectorSumita Kalra Do
Laboratory Phone(510) 266-1738
Laboratory LocationHayward Wellness1 Southland Mall Dr, Hayward, CA 94545
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Alameda Health System's NPI number?

The NPI number for Alameda Health System is 1023219821. It was assigned to this organization in the NPPES registry on May 30, 2007. The provider is doing business as Hayward Wellness Center.

Where is Alameda Health System located?

Alameda Health System is located at 664 Southland Mall, Hayward, CA 94545. The listed phone number is (510) 266-1700.

What is Alameda Health System's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Is Alameda Health System enrolled in Medicare?

Yes. Alameda Health System is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alameda Health System?

According to the CMS Revalidation Reassignment List (October 2026 release), 890 clinicians in 58 Medicare specialties reassign their Medicare billing to Alameda Health System. A 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 the clinician's services. The largest specialties are Internal Medicine (122), Psychiatry (106) and Emergency Medicine (78). Of these, 3 practice at this address and 90 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Alameda Health System hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Alameda Health System was last updated on April 27, 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.