Dr Warren P Thai, MD - Medicare Internal Medicine in Fallon, NV

Dr Warren P Thai, MD is a medicare enrolled "Hospitalist" physician in Fallon, Nevada. He graduated from medical school in 2003 and has 21 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Stephen Holtzclaw Md Pc and his current practice location is 801 E Williams Ave, Fallon, Nevada. You can reach out to his office (for appointments etc.) via phone at (702) 453-3799.

Dr Warren P Thai is licensed to practice in Nevada (license number 13174) 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 1902923451.

Contact Information

Dr Warren P Thai, MD
801 E Williams Ave,
Fallon, NV 89406-3052
(702) 453-3799
(702) 453-5741

Map and Direction




Physician's Profile

Full NameDr Warren P Thai
GenderMale
SpecialityInternal Medicine
Experience21 Years
Location801 E Williams Ave, Fallon, Nevada
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 Warren P Thai graduated from medical school in 2003
  NPI Data:
  • NPI Number: 1902923451
  • Provider Enumeration Date: 03/22/2007
  • Last Update Date: 10/07/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5991850604
  • Enrollment ID: I20090902000149

Medical Identifiers

Medical identifiers for Dr Warren P Thai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902923451NPI-NPPES
A108762OtherCACA LIC
13174OtherNVNV LIC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A108762 (California)Secondary
207R00000XInternal Medicine 13174 (Nevada)Secondary
208M00000XHospitalist 13174 (Nevada)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Carson Tahoe Regional Medical CenterCarson city, NVHospital
Banner Lassen Medical CenterSusanville, CAHospital

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 Warren P Thai allows following entities to bill medicare on his behalf.
Entity NameStephen Holtzclaw Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063608701
PECOS PAC ID: 1850471939
Enrollment ID: O20080102000072
Entity NameThais Sierra Pacific Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306304472
PECOS PAC ID: 0042552762
Enrollment ID: O20190430000545

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 Warren P Thai 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 Warren P Thai, MD
Po Box 18228,
Reno, NV 89511-0228

Ph: (702) 453-3799
Dr Warren P Thai, MD
801 E Williams Ave,
Fallon, NV 89406-3052

Ph: (702) 453-3799

Reviews and Comments


Hospitalist Doctors in Fallon, NV


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.