NPPES file of Aug 9, 2026

Amy S. Lang, M.D.

Medical Oncology Physician · San Antonio, TX

Amy S. Lang, M.D. is a medical oncology physician with a practice address in San Antonio, Texas, and NPI 1104850486, issued on Jul 10, 2006. Check the license (Texas J2348, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104850486
Name
Amy S. Lang
Credential
M.D.
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
J2348 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
118668602 TX
118668604 TX
Medicare enrollment
Enrolled (PECOS I20091228000067); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 1991
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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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.

  1. Divya Asti, M.B.B.SHematology & Oncology Physician1821475138
  2. Muralidhar Beeram, M.D.Medical Oncology Physician1265426282
  3. Megan Brito, FNP-BCNurse Practitioner1700508504
  4. Neil ChevliRadiation Oncology Physician1376048975
  5. Sara Conde, MDMedical Oncology Physician1093809428
  6. Jeanne Contreras, FNPFamily Nurse Practitioner1467752212

Verify Amy S. Lang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J2348    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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49% fewer Medicare Part D claims than the average medical oncology physician in 2024

362 Medicare Part D claims for 88 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Amy Lang362
  2. Specialty average703

Most prescribed

  1. Anastrozole89 claims
  2. Tamoxifen Citrate80 claims
  3. Ondansetron Hcl22 claims
  4. Exemestane16 claims
  5. Letrozole15 claims
  6. Verzenio14 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.

Industry payments in 2024: $869.67

27 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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.

  1. Amy Lang$870
  2. Specialty average$11,773

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

  1. 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).

Amy S. Lang among 547 medical oncology physician records in Texas

Amy S. Lang, 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
  • Graduated1991 · 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

  1. Muralidhar Beeram, M.D.San Antonio, TX 782291265426282
  2. Ronald Drengler, M.D.San Antonio, TX 782291265459168
  3. Virginia Kaklamani, MDSan Antonio, TX 782291841235439
  4. Anand Karnad, M.D.San Antonio, TX 782291023011624
  5. Charles Lemaistre, M.D.San Antonio, TX 782291033176946
  6. Daruka Mahadevan, MD, PHDSan Antonio, TX 782291841398302
  7. Robert Marciniak, M.D.San Antonio, TX 782291700889201
  8. Monica Mita, MDSan Antonio, TX 782291760450043

Common questions

What is Amy S. Lang, M.D.'s NPI number?

Amy S. Lang, M.D.'s National Provider Identifier (NPI) is 1104850486, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Amy S. Lang, 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 Amy S. Lang, M.D.'s license?

NPPES lists Texas license number J2348, 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 Amy S. Lang, M.D. prescribe under Medicare Part D?

In 2024, Amy S. Lang, M.D. had 362 Medicare Part D claims for 88 beneficiaries; the average among medical oncology physician prescribers was 703. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.