Thomas Michael Dougherty, MD - Medicare Internal Medicine in Fullerton, CA

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Thomas Michael Dougherty, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Fullerton, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 1973 and has 53 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Caremore Medical Group Inc and his current practice location is 1521 S Harbor Blvd, Fullerton, California. You can reach out to his office (for appointments etc.) via phone at (714) 990-0911.

Thomas Michael Dougherty is licensed to practice in California (license number G27977) 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 1699712232.

Contact Information

Thomas Michael Dougherty, MD
1521 S Harbor Blvd,
Fullerton, CA 92832-3402
(714) 990-0911
(714) 256-9172

Map and Direction




Physician's Profile

Full NameThomas Michael Dougherty
GenderMale
SpecialityInternal Medicine
Experience53 Years
Location1521 S Harbor Blvd, Fullerton, 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:
  • Thomas Michael Dougherty attended and graduated from University Of California, Irvine, California College Of Medicine in 1973
  NPI Data:
  • NPI Number: 1699712232
  • Provider Enumeration Date: 06/01/2006
  • Last Update Date: 07/14/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1759392350
  • Enrollment ID: I20060510000560

Medical Identifiers

Medical identifiers for Thomas Michael Dougherty such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699712232NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism G27977 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence St. Jude Medical CenterFullerton, CAHospital
Uci Health-orangeOrange, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Caremore Medical Group Inc367858449716

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. Thomas Michael Dougherty allows following entities to bill medicare on his behalf.
Entity NameCaremore Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760435705
PECOS PAC ID: 3678584497
Enrollment ID: O20060508001001

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. Thomas Michael Dougherty 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
Thomas Michael Dougherty, MD
1521 S Harbor Blvd,
Fullerton, CA 92832-3402

Ph: (714) 990-0911		Thomas Michael Dougherty, MD
1521 S Harbor Blvd,
Fullerton, CA 92832-3402

Ph: (714) 990-0911

Reviews and Comments


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Yung Lyou, M.D., PH.D.
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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).

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