Charles R. Lawson, MD
Internal Medicine Physician · San Antonio, TX
Charles R. Lawson, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1639158470, issued on Jan 11, 2006. Check the license (Texas G5282, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles R. Lawson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- G5282 TX
2003018928 MO
Self-reported in NPPES; status is on the state search - Practice location
- 8300 Floyd Curl Dr, San Antonio, TX 78229
- Phone
- (210) 450-9100
- Enumerated
- Jan 11, 2006
- Record last updated
- May 14, 2024
- Medicaid IDs
- 209070101 MO
152338001 AR - Medicare enrollment
- Enrolled (PECOS I20031201000569); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 8300 Floyd Curl Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles R. Lawson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G5282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,010 Medicare Part D claims for 411 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium144 claims
- Meloxicam124 claims
- Lisinopril108 claims
- Amlodipine Besylate89 claims
- Rosuvastatin Calcium85 claims
- Levothyroxine Sodium75 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University OF Texas Health Science Center AT San AntonioSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles R. Lawson among 9,175 internal medicine physician records in Texas
Charles R. Lawson, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1983 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jeremias Abueme, M.D.San Antonio, TX 782291891790960
- Richard Clemons, MDSan Antonio, TX 782291740282664
- Serina Flores, M.D.San Antonio, TX 782291528058203
- John Galan, MDSan Antonio, TX 782291528069440
- Juan Gonzalez, MDSan Antonio, TX 782291659370963
- Bradley Kayser, MDSan Antonio, TX 782291285635110
- Michelle Medellin, M.D.San Antonio, TX 782291770571614
- Thomas Mieras, MDSan Antonio, TX 782291578564787
Common questions
What is Charles R. Lawson, MD's NPI number?
Charles R. Lawson, MD's National Provider Identifier (NPI) is 1639158470, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles R. Lawson, MD located?
The NPPES record lists a practice address at 8300 Floyd Curl Dr, San Antonio, TX, 78229. Phone: (210) 450-9100. Providers update this record themselves, so call before visiting.
How can I verify Charles R. Lawson, MD's license?
NPPES lists Texas license number G5282, 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.
How much does Charles R. Lawson, MD prescribe under Medicare Part D?
In 2024, Charles R. Lawson, MD had 3,010 Medicare Part D claims for 411 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.