Dr William Christopher Frey, MD - Medicare Internal Medicine in Jbsa Ft Sam Houston, TX

Dr William Christopher Frey, MD is a medicare enrolled "Internal Medicine - Sleep Medicine" physician in Jbsa Ft Sam Houston, Texas. His current practice location is 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 539-9582.

Dr William Christopher Frey is licensed to practice in Texas (license number L4380) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1427049345.

Contact Information

Dr William Christopher Frey, MD
3551 Roger Brooke Dr,
Jbsa Ft Sam Houston, TX 78234-4504
(210) 539-9582
Not Available

Map and Direction




Physician's Profile

Full NameDr William Christopher Frey
GenderMale
SpecialityInternal Medicine - Sleep Medicine
Location3551 Roger Brooke Dr, Jbsa Ft Sam Houston, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1427049345
  • Provider Enumeration Date: 10/31/2005
  • Last Update Date: 06/08/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 5395900302
  • Enrollment ID: I20120625000693

Medical Identifiers

Medical identifiers for Dr William Christopher Frey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427049345NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine L4380 (Texas)Secondary
207RP1001XInternal Medicine - Pulmonary Disease L4380 (Texas)Secondary
207RS0012XInternal Medicine - Sleep Medicine L4380 (Texas)Primary

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 William Christopher Frey 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 William Christopher Frey, MD
3551 Roger Brooke Dr,
Jbsa Ft Sam Houston, TX 78234-4504

Ph: (210) 539-9582
Dr William Christopher Frey, MD
3551 Roger Brooke Dr,
Jbsa Ft Sam Houston, TX 78234-4504

Ph: (210) 539-9582

Reviews and Comments


Internal Medicine Doctors in Jbsa Ft Sam Houston, TX

Dr. John-henry Dean, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234
Phone: 210-292-7805    Fax: 210-292-7868
Dr. David Alton Lindholm, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234
Phone: 210-916-5554    
Dr. Laudino Manuel Castillo-rojas, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234
Phone: 210-539-9582    
Loreto Calaquian, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234
Phone: 210-916-5910    Fax: 210-916-2077
Chad Jerome Schuety, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Sammc Mche-zdm-m, Internal Medicine Residency, Jbsa Ft Sam Houston, TX 78234
Phone: 210-916-3910    Fax: 210-916-2077
Andrew Stephen Wilson, DO
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234
Phone: 210-916-5910    Fax: 210-916-2077
Michael Gonzales, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234
Phone: 210-539-9582    

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.