William S Mow, MD - Medicare Pediatrics in Hayward, CA

William S Mow, MD is a medicare enrolled "Pediatrics" physician in Hayward, California. His current practice location is 27400 Hesperian Blvd, Hayward, California. You can reach out to his office (for appointments etc.) via phone at (510) 784-4000.

William S Mow is licensed to practice in California (license number A68331) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1982782736.

Contact Information

William S Mow, MD
27400 Hesperian Blvd,
Hayward, CA 94545-4235
(510) 784-4000
Not Available

Map and Direction




Physician's Profile

Full NameWilliam S Mow
GenderMale
SpecialityPediatrics
Location27400 Hesperian Blvd, Hayward, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1982782736
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/03/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8022914175
  • Enrollment ID: I20031209001029

Medical Identifiers

Medical identifiers for William S Mow such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982782736NPI-NPPES
00A683310MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics A68331 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. William S Mow allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. William S Mow is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
William S Mow, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
William S Mow, MD
27400 Hesperian Blvd,
Hayward, CA 94545-4235

Ph: (510) 784-4000

Reviews and Comments


Pediatrics Doctors in Hayward, CA

Elaine K Ong, M.D.
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Dr. Roxana Elena Stancescu-popescu, MD
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Yasmin Hyder Carim, M.D,
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Phone: 510-581-1446    Fax: 510-581-1805
Donna Hong, MD
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Medicare: Medicare Enrolled
Practice Location: 27400 Hesperian Blvd, Hayward, CA 94545
Phone: 510-784-4000    
Wendy V Wheaton, M.D.
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Phone: 510-454-1000    
Carolyn E. Hudson, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 27212 Calaroga Ave, Hayward, CA 94545
Phone: 510-785-5000    Fax: 510-784-2502
Peter Kim, MD
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Medicare: Medicare Enrolled
Practice Location: 27400 Hesperian Blvd, Hayward, CA 94545
Phone: 510-784-4000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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