William Christopher Frey, MD
Sleep Medicine (Internal Medicine) Physician · Jbsa Lackland, TX
William Christopher Frey, MD is a sleep medicine (internal medicine) physician with a practice address in Jbsa Lackland, Texas, and NPI 1427049345, issued on Oct 31, 2005. Check the license (Texas L4380, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Christopher Frey
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- L4380 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Wilford Hall Loop, Jbsa Lackland, TX 78236
- Phone
- (201) 292-3322
- Enumerated
- Oct 31, 2005
- Record last updated
- Mar 21, 2025
- Fax
- (210) 292-4741
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 56 in Texas → Look up another NPI →
Also registered at 1100 Wilford Hall Loop
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Adams, DDSDentist1760182471
- Emmanuel Adebogun, DOStudent in an Organized Health Care Education/Training Program1700670049
- Lior Aljadeff, D.D.S, M.D.Oral & Maxillofacial Surgery (D.M.D.)1285014084
- Michael Alvillar, PHYSICIAN ASSISTANTPhysician Assistant1932765757
- Wafa AmayrehClinical Psychologist1720558398
- Kristofer Andren, DOGeneral Practice Physician1861149627
Verify William Christopher Frey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L4380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $339.32
5 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Christopher Frey among 56 sleep medicine (internal medicine) physician records in Texas
William Christopher Frey, MD is one of 56 sleep medicine (internal medicine) physician records with a practice address in Texas. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Texas
There are 56 sleep medicine (internal medicine) physician records in Texas.
All 56 in Texas → Every provider in Jbsa Lackland → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Collin Clay, MDJbsa Lackland, TX 782361205332210
- Jaclyn Faulk, DOJbsa Lackland, TX 782361578093126
- Amanda Radtke, MDJbsa Lackland, TX 782361215475413
- Henry Scheuller, M.D.Jbsa Lackland, TX 782361457670796
- Rafael Santiago, M.D.San Antonio, TX 782341053305508
- Avie Grunspan, MDSan Antonio, TX 782311881695542
- James Andry, MDSan Antonio, TX 782291316010986
- Eleanor Avery, MDSan Antonio, TX 782291235169574
Common questions
What is William Christopher Frey, MD's NPI number?
William Christopher Frey, MD's National Provider Identifier (NPI) is 1427049345, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Christopher Frey, MD located?
The NPPES record lists a practice address at 1100 Wilford Hall Loop, Jbsa Lackland, TX, 78236. Phone: (201) 292-3322. Providers update this record themselves, so call before visiting.
How can I verify William Christopher Frey, MD's license?
NPPES lists Texas license number L4380, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.