Dr Darwin C Tsang, OD - Medicare Optometrist in Petaluma, CA

Dr Darwin C Tsang, OD is a medicare enrolled "Optometrist" provider in Petaluma, California. He went to New England College Of Optometry and graduated in 2015 and has 9 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Marin Optometric Group Inc and his current practice location is 401 Kenilworth Dr, Inside Target Optical, Petaluma, California. You can reach out to his office (for appointments etc.) via phone at (707) 775-6022.

Dr Darwin C Tsang is licensed to practice in California (license number 15225 TLG) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1619344918.

Contact Information

Dr Darwin C Tsang, OD
401 Kenilworth Dr, Inside Target Optical,
Petaluma, CA 94952-3400
(707) 775-6022
(707) 782-0568

Map and Direction




Healthcare Provider's Profile

Full NameDr Darwin C Tsang
GenderMale
SpecialityOptometry
Experience9 Years
Location401 Kenilworth Dr, Petaluma, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Darwin C Tsang attended and graduated from New England College Of Optometry in 2015
  NPI Data:
  • NPI Number: 1619344918
  • Provider Enumeration Date: 08/21/2015
  • Last Update Date: 09/23/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 9931401429
  • Enrollment ID: I20151229002601

Medical Identifiers

Medical identifiers for Dr Darwin C Tsang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619344918NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 15225 TLG (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Marin Optometric Group Inc18506447333

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. Dr Darwin C Tsang allows following entities to bill medicare on his behalf.
Provider NameMarin Optometric Group Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1437632429
PECOS PAC ID: 1850644733
Enrollment ID: O20181023000537

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. Dr Darwin C Tsang 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
Dr Darwin C Tsang, OD
707 Kenilworth Drive, Inside Target Optical,
Petaluma, CA 94952-3400

Ph: (707) 782-0572
Dr Darwin C Tsang, OD
401 Kenilworth Dr, Inside Target Optical,
Petaluma, CA 94952-3400

Ph: (707) 775-6022

Reviews and Comments


Optometrist in Petaluma, CA

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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.