Lon S. Smith, M.D.
Medical Oncology Physician · San Antonio, TX
Lon S. Smith, M.D. is a medical oncology physician with a practice address in San Antonio, Texas, and NPI 1649204090, issued on Jul 10, 2006. Check the license (Texas G0544, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lon S. Smith
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- G0544 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4383 Medical Dr, San Antonio, TX 78229
- Phone
- (210) 593-5700
- Enumerated
- Jul 10, 2006
- Record last updated
- Jul 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (210) 593-5992
- Medicaid IDs
- 125626505 TX
125626501 TX - Medicare enrollment
- Enrolled (PECOS I20091228000130); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 1979
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 547 in Texas → Look up another NPI →
Also registered at 4383 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Divya Asti, M.B.B.SHematology & Oncology Physician1821475138
- Muralidhar Beeram, M.D.Medical Oncology Physician1265426282
- Megan Brito, FNP-BCNurse Practitioner1700508504
- Neil ChevliRadiation Oncology Physician1376048975
- Sara Conde, MDMedical Oncology Physician1093809428
- Jeanne Contreras, FNPFamily Nurse Practitioner1467752212
Verify Lon S. Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G0544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average medical oncology physician in 2024
1,061 Medicare Part D claims for 118 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Tamoxifen Citrate107 claims
- Anastrozole99 claims
- Potassium Chloride63 claims
- Acyclovir36 claims
- Hydrocodone-Acetaminophen28 claims
- Verzenio27 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.
The MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $395.01
18 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Bills Medicare through one group practice
- South Texas Oncology And Hematology, PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lon S. Smith among 547 medical oncology physician records in Texas
Lon S. Smith, M.D. is one of 547 medical oncology physician records with a practice address in Texas. 85% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1979 · median 2000 among the 414 with a school on file
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Texas
There are 547 medical oncology physician records in Texas.
All 547 in Texas → Every provider in San Antonio → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Muralidhar Beeram, M.D.San Antonio, TX 782291265426282
- Ronald Drengler, M.D.San Antonio, TX 782291265459168
- Virginia Kaklamani, MDSan Antonio, TX 782291841235439
- Anand Karnad, M.D.San Antonio, TX 782291023011624
- Amy Lang, M.D.San Antonio, TX 782291104850486
- Charles Lemaistre, M.D.San Antonio, TX 782291033176946
- Daruka Mahadevan, MD, PHDSan Antonio, TX 782291841398302
- Robert Marciniak, M.D.San Antonio, TX 782291700889201
Common questions
What is Lon S. Smith, M.D.'s NPI number?
Lon S. Smith, M.D.'s National Provider Identifier (NPI) is 1649204090, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lon S. Smith, M.D. located?
The NPPES record lists a practice address at 4383 Medical Dr, San Antonio, TX, 78229. Phone: (210) 593-5700. Providers update this record themselves, so call before visiting.
How can I verify Lon S. Smith, M.D.'s license?
NPPES lists Texas license number G0544, 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 Lon S. Smith, M.D. prescribe under Medicare Part D?
In 2024, Lon S. Smith, M.D. had 1,061 Medicare Part D claims for 118 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Lon S. Smith, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.