Dr Wynnson W Tom, MD - Medicare Anesthesiology in Orange, CA

Dr Wynnson W Tom, MD is a medicare enrolled "Anesthesiology" physician in Orange, California. He went to University Of California, San Francisco School Of Medicine and graduated in 2006 and has 18 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Orange Coast Anesthesia Inc and his current practice location is 2601 E Chapman Ave, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 633-0011.

Dr Wynnson W Tom is licensed to practice in California (license number A101740) 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 1902128028.

Contact Information

Dr Wynnson W Tom, MD
2601 E Chapman Ave,
Orange, CA 92869-3206
(714) 633-0011
(714) 633-2238

Map and Direction




Physician's Profile

Full NameDr Wynnson W Tom
GenderMale
SpecialityAnesthesiology
Experience18 Years
Location2601 E Chapman Ave, Orange, 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 Wynnson W Tom attended and graduated from University Of California, San Francisco School Of Medicine in 2006
  NPI Data:
  • NPI Number: 1902128028
  • Provider Enumeration Date: 02/16/2010
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6406049246
  • Enrollment ID: I20101025000797

Medical Identifiers

Medical identifiers for Dr Wynnson W Tom such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902128028NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A101740 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Los Alamitos Medical CenterLos alamitos, CAHospital
Lakewood Regional Medical CenterLakewood, CAHospital
Foothill Regional Medical CenterTustin, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Orange Coast Anesthesia Inc246661359181

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 Wynnson W Tom allows following entities to bill medicare on his behalf.
Entity NameOrange Coast Anesthesia Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508138256
PECOS PAC ID: 2466613591
Enrollment ID: O20120417000047

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 Wynnson W Tom 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 Wynnson W Tom, MD
400 N. Tustin Ave, Suite 400,
Santa Ana, CA 92705-3850

Ph: (714) 560-1580
Dr Wynnson W Tom, MD
2601 E Chapman Ave,
Orange, CA 92869-3206

Ph: (714) 633-0011

Reviews and Comments


Anesthesiology Doctors in Orange, CA

Ian Chait, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1100 W Stewart Dr, Orange, CA 92868
Phone: 714-633-9111    Fax: 714-774-8695
Roger Yasuo Arakaki, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1100 W Stewart Dr, Orange, CA 92868
Phone: 714-633-9111    Fax: 714-774-8695
Dr. Yogesh Kumar Taheem, MD, MS
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7890    
Vivek Gulati,
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 333 City Blvd W Ste 2150, Orange, CA 92868
Phone: 714-456-6661    
Francis Michael Sweeny, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1100 W Stewart Dr, Orange, CA 92868
Phone: 714-633-9111    Fax: 714-744-8695
Brandee Baker, CRNA
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-8068    Fax: 714-456-3765
Dr. Gexin Tang, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 681 S Parker St Ste 150, Orange, CA 92868
Phone: 714-744-0900    Fax: 714-744-9232

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.