David R. Murdock, MD
Internal Medicine Physician · Houston, TX
David R. Murdock, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1083906598, issued on May 3, 2011. Check the license (Texas R5603, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- David R. Murdock
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R5603 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin St., Houston, TX 77030
- Phone
- (713) 500-6715
- Enumerated
- May 3, 2011
- Record last updated
- Oct 4, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 6431 Fannin St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David R. Murdock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R5603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
13 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 practice group's MIPS final score for 2023 (Medicare payment program): 82.4 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).
Industry payments in 2024: $75.22
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
David R. Murdock among 9,175 internal medicine physician records in Texas
David R. Murdock, 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2022 · 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).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
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Common questions
What is David R. Murdock, MD's NPI number?
David R. Murdock, MD's National Provider Identifier (NPI) is 1083906598, issued on May 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David R. Murdock, MD located?
The NPPES record lists a practice address at 6431 Fannin St., Houston, TX, 77030. Phone: (713) 500-6715. Providers update this record themselves, so call before visiting.
How can I verify David R. Murdock, MD's license?
NPPES lists Texas license number R5603, 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 David R. Murdock, MD prescribe under Medicare Part D?
In 2024, David R. Murdock, MD had 13 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is David R. Murdock, MD's MIPS final score?
The 2023 MIPS final score is 82.4 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.