Frederick John Kassis, M.D.
Internal Medicine Physician · Sweetwater, TX
Frederick John Kassis, M.D. is an internal medicine physician with a practice address in Sweetwater, Texas, and NPI 1932154218, issued on May 24, 2006. Check the license (Texas H5110, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Frederick John Kassis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- H5110 TX
Self-reported in NPPES; status is on the state search - Practice location
- 201 E Arizona Ave, Sweetwater, TX 79556
- Phone
- (325) 235-8641
- Enumerated
- May 24, 2006
- Record last updated
- Aug 27, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (325) 235-5925
- Medicaid ID
- 1319832-01 TX
- Entity
- Type 1 · individual
Also registered at 201 E Arizona Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hayley Blackwell, PA-CPhysician Assistant1619042009
- Alesha Bolton, FNPNurse Practitioner1013380450
- Judy Clayton, D.O.Family Medicine Physician1376598342
- Jordanna Franklin, M.D.Pediatrics Physician1033557442
- Haylie GatewoodProfessional Counselor1497518807
- George Lindsey, D.O.Family Medicine Physician1174560775
Verify Frederick John Kassis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H5110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Internal Medicine Physician providers in Texas
There are 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is Frederick John Kassis, M.D.'s NPI number?
Frederick John Kassis, M.D.'s National Provider Identifier (NPI) is 1932154218, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frederick John Kassis, M.D. located?
The NPPES record lists a practice address at 201 E Arizona Ave, Sweetwater, TX, 79556. Phone: (325) 235-8641. Providers update this record themselves, so call before visiting.
How can I verify Frederick John Kassis, M.D.'s license?
NPPES lists Texas license number H5110, 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. 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.