Jeffrey Thomas, - Medicare Internal Medicine in Orange, CA

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Jeffrey Thomas, is a medicare enrolled "Internal Medicine" physician in Orange, California. He went to Tufts University School Of Medicine and graduated in 2009 and has 17 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, Senior Doc Tennessee Pc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, Senior Doc Arizona Pc, J M Geiss Do Apc, Senior Doc Idaho Pc, Senior Doc Oregon Pc, J M Geiss Do Apc, Senior Doc Idaho Pc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, Senior Doc Arizona Pc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, Geiss Med Nevada Pc, Senior Doc Idaho Pc, J M Geiss Do Apc, J M Geiss Do Apc, Senior Doc Arizona Pc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, J M Geiss Do Apc, Senior Doc Wa Pc and his current practice location is 2592 N Santiago Blvd, Orange, California. You can reach out to his office (for appointments etc.) via phone at (855) 434-7763.

Jeffrey Thomas is licensed to practice in California (license number A115831) 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 1932337136.

Contact Information

Jeffrey Thomas,
2592 N Santiago Blvd,
Orange, CA 92867-1862
(855) 434-7763
(949) 281-5550

Map and Direction




Physician's Profile

Full NameJeffrey Thomas
GenderMale
SpecialityInternal Medicine
Experience17 Years
Location2592 N Santiago Blvd, 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:
  • Jeffrey Thomas attended and graduated from Tufts University School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1932337136
  • Provider Enumeration Date: 06/25/2009
  • Last Update Date: 12/11/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7315101003
  • Enrollment ID: I20241007000832

Medical Identifiers

Medical identifiers for Jeffrey Thomas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932337136NPI-NPPES
00A115831MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A115831 (California)Secondary
207R00000XInternal Medicine A115831 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
Senior Doc Tennessee Pc59911690702
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
Senior Doc Arizona Pc61032321113
J M Geiss Do Apc6103044078153
Senior Doc Idaho Pc064868917411
Senior Doc Oregon Pc07496437164
J M Geiss Do Apc6103044078153
Senior Doc Idaho Pc064868917411
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
Senior Doc Arizona Pc61032321113
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
Geiss Med Nevada Pc892140059916
Senior Doc Idaho Pc064868917411
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
Senior Doc Arizona Pc61032321113
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
J M Geiss Do Apc6103044078153
Senior Doc Wa Pc43850873372

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. Jeffrey Thomas allows following entities to bill medicare on his behalf.
Entity NameJ M Geiss Do Apc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063825289
PECOS PAC ID: 6103044078
Enrollment ID: O20241004003135
Entity NameSenior Doc New Jersey Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700610094
PECOS PAC ID: 9133652688
Enrollment ID: O20241101002392

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. Jeffrey Thomas 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
Jeffrey Thomas,
2592 N Santiago Blvd,
Orange, CA 92867-1862

Ph: (855) 434-7763		Jeffrey Thomas,
2592 N Santiago Blvd,
Orange, CA 92867-1862

Ph: (855) 434-7763

Reviews and Comments


Internal Medicine Doctors in Orange, CA

Michael Cheng, DO
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Harry Nguyen, D.O.
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Dr. Nicole Foley, M.D.
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Millie Arora,
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Dr. Antonio Halais Frangieh, MD, MPH
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Phone: 714-456-7890    
Mark E Wylam, M.D.
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Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7890    
Dr. Jesse John Goitia Jr., M.D.
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Medicare: Medicare Enrolled
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    

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.