John Wissinger, MD
Internal Medicine Physician · El Campo, TX
John Wissinger, MD is an internal medicine physician with a practice address in El Campo, Texas, and NPI 1558326876, issued on Apr 19, 2006. Check the license (Texas G3918, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Wissinger
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G3918 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1602 N Mechanic St, El Campo, TX 77437
- Phone
- (979) 543-2956
- Enumerated
- Apr 19, 2006
- Entity
- Type 1 · individual
Also registered at 1602 N Mechanic St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jo Cain, PA-CPhysician Assistant1720045743
- Heather Kana, AGPCNPPrimary Care Nurse Practitioner1609336379
- Megan Riha, RNPPediatric Nurse Practitioner1881959807
- Catharine Rodriguez, PTAPhysical Therapy Assistant1093287518
- Chelsea Vasquez, PT, DPT, C-PSPhysical Therapist1770390569
Verify John Wissinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G3918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2 internal medicine physician records list a El Campo practice address
They are 2 of the 126 NPPES records with a El Campo practice address, and 11,069 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2 in El Campo → All 11,069 in Texas → Every provider in El Campo →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Pedro Abanto, M.D.McAllen, TX1982840393
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
Common questions
What is John Wissinger, MD's NPI number?
John Wissinger, MD's National Provider Identifier (NPI) is 1558326876, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Wissinger, MD located?
The NPPES record lists a practice address at 1602 N Mechanic St, El Campo, TX, 77437. Phone: (979) 543-2956. Providers update this record themselves, so call before visiting.
How can I verify John Wissinger, MD's license?
NPPES lists Texas license number G3918, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.