Charles Thomas Porter, MD
Anesthesiology Physician · San Marcos, TX
Charles Thomas Porter, MD is an anesthesiology physician with a practice address in San Marcos, Texas, and NPI 1831174937, issued on Dec 12, 2005. Check the license (Texas H5606, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Charles Thomas Porter
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- H5606 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Wonder World Dr, San Marcos, TX 78666
- Phone
- (512) 753-3627
- Enumerated
- Dec 12, 2005
- Record last updated
- Jan 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (254) 200-4090
- Medicaid ID
- 125444306 TX
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 4,635 in Texas → Look up another NPI →
Also registered at 1301 Wonder World Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles Thomas Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H5606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Charles Thomas Porter among 4,635 anesthesiology physician records in Texas
Charles Thomas Porter, MD is one of 4,635 anesthesiology physician records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Texas
There are 4,635 anesthesiology physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,635 in Texas → Every provider in San Marcos → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- John Smith, MDSan Marcos, TX 786661669457388
- Brad Brock, MDRound Rock, TX 786651588634547
- Matthew Danley, D.O.Round Rock, TX 786651013395433
- Robert Lowry, M.D.Round Rock, TX 786651801232129
- Anna MartinRound Rock, TX 786651356796791
- Patrick Nguyen, MDRound Rock, TX 786651144675562
- Joyce Onwere, M.D.Round Rock, TX 786651306818851
- Jason Parker, M.D.Round Rock, TX 786651053307785
Common questions
What is Charles Thomas Porter, MD's NPI number?
Charles Thomas Porter, MD's National Provider Identifier (NPI) is 1831174937, issued on Dec 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles Thomas Porter, MD located?
The NPPES record lists a practice address at 1301 Wonder World Dr, San Marcos, TX, 78666. Phone: (512) 753-3627. Providers update this record themselves, so call before visiting.
How can I verify Charles Thomas Porter, MD's license?
NPPES lists Texas license number H5606, 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.