Joseph A. Ludwig, M.D.
Medical Oncology Physician · Houston, TX
Joseph A. Ludwig, M.D. is a medical oncology physician with a practice address in Houston, Texas, and NPI 1881729473, issued on Feb 22, 2007. Check the license (Texas M5340, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph A. Ludwig
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- M5340 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Feb 22, 2007
- Record last updated
- Jul 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 185327701 TX
- Medicare enrollment
- Enrolled (PECOS I20070523000206); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 547 in Texas → Look up another NPI →
Verify Joseph A. Ludwig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M5340Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average medical oncology physician in 2024
60 Medicare Part D claims for 22 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
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 practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Physicians Referral ServiceHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph A. Ludwig among 547 medical oncology physician records in Texas
Joseph A. Ludwig, 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 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 34% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1998 · median 2000 among the 414 with a school on file
- Record last updated2012 · 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 Houston → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Matthew Ellis, MD PHDHouston, TX 770301669495685
- Daniel Epner, M.D.Houston, TX 770301083637151
- Jianjun Gao, M.D.Houston, TX 770301053356873
- Christopher Garrett, MDHouston, TX 770301861417115
- Maura Gillison, MDHouston, TX 770301760436927
- Anneliese Gonzalez, M.D.Houston, TX 770301245234889
- Kirk Heyne, MDHouston, TX 770301346227816
- Milind Javle, MDHouston, TX 770301831196252
Common questions
What is Joseph A. Ludwig, M.D.'s NPI number?
Joseph A. Ludwig, M.D.'s National Provider Identifier (NPI) is 1881729473, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph A. Ludwig, M.D. located?
The NPPES record lists a practice address at 1515 Holcombe Blvvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Joseph A. Ludwig, M.D.'s license?
NPPES lists Texas license number M5340, 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 Joseph A. Ludwig, M.D. prescribe under Medicare Part D?
In 2024, Joseph A. Ludwig, M.D. had 60 Medicare Part D claims for 22 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Joseph A. Ludwig, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. 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.