Manik Wijesinghe, MD - Medicare Anesthesiology in Castro Valley, CA

Manik Wijesinghe, MD is a medicare enrolled "Anesthesiology" physician in Castro Valley, California. His current practice location is 20103 Lake Chabot Rd, Suite 420, Castro Valley, California. You can reach out to his office (for appointments etc.) via phone at (888) 202-0437.

Manik Wijesinghe is licensed to practice in California (license number A88773) 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 1750579181.

Contact Information

Manik Wijesinghe, MD
20103 Lake Chabot Rd, Suite 420,
Castro Valley, CA 94546-5305
(888) 202-0437
Not Available

Map and Direction




Physician's Profile

Full NameManik Wijesinghe
GenderMale
SpecialityAnesthesiology
Location20103 Lake Chabot Rd, Castro Valley, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1750579181
  • Provider Enumeration Date: 10/10/2007
  • Last Update Date: 02/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3072672971
  • Enrollment ID: I20081106000838

Medical Identifiers

Medical identifiers for Manik Wijesinghe such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750579181NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A88773 (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. Manik Wijesinghe allows following entities to bill medicare on his behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameAlameda Anesthesia Associates Medical Group, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487602256
PECOS PAC ID: 4688642028
Enrollment ID: O20040922001142

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. Manik Wijesinghe 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
Manik Wijesinghe, MD
Dept # 34237, Po Box 39000,
San Francisco, CA 94139

Ph: (888) 202-0437
Manik Wijesinghe, MD
20103 Lake Chabot Rd, Suite 420,
Castro Valley, CA 94546-5305

Ph: (888) 202-0437

Reviews and Comments


Anesthesiology Doctors in Castro Valley, CA

Phuong Dai Vo, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-537-1234    
Marina Swee, DO
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 20998 Redwood Rd, Castro Valley, CA 94546
Phone: 510-538-2828    
Yolanda Q Tam, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-537-1234    
Dr. Charles Ernest Lopez, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 20998 Redwood Rd, Castro Valley, CA 94546
Phone: 510-538-2828    Fax: 510-538-2508
Dr. Penna Kim Bui, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-870-2497    Fax: 562-933-1245
Dr. Jeffrey Do, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 20998 Redwood Rd, Castro Valley, CA 94546
Phone: 510-538-2828    
Qiliang Zhang, D.O.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-537-1234    

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.