Krishnakumar R. Muthu, MD
Internal Medicine Physician · Dallas, TX
Krishnakumar R. Muthu, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1407056906, issued on Jul 23, 2007. Check the license (Texas N6517, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Krishnakumar R. Muthu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- N6517 TX
7091 SD
Self-reported in NPPES; status is on the state search - Practice location
- 12221 Merit Drive, Dallas, TX 75251
- Phone
- (214) 217-1911
- Enumerated
- Jul 23, 2007
- Record last updated
- Jun 9, 2023
- Fax
- (214) 217-1912
- Medicaid IDs
- 140756906 IA
6005702 SD
6005700 SD
46022474331 NE - Medicare enrollment
- Enrolled (PECOS I20131204001742); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 12221 Merit Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Krishnakumar R. Muthu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N6517Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
43 Medicare Part D claims for 17 beneficiaries, against an average of 3,176 among the 108,855 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.
Industry payments in 2024: $24.98
1 payment: food and beverage; the largest payer was Pfizer 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.
Bills Medicare through 2 group practices
- Hospitalist Medicine Physicians OF Texas - Burnet PLLCDenison, TX
- Hospitalist Medicine Physicians OF Texas PLLCFort Worth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Krishnakumar R. Muthu among 9,175 internal medicine physician records in Texas
Krishnakumar R. Muthu, 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2004 among the 6,088 with a school on file
- Record last updated2023 · 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).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- James Ikemba, MDDallas, TX 752511124055579
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- Zulfiqar Jussa, MDDallas, TX 752511265490544
- Hadi Ladak, M.D.Dallas, TX 752511275583973
Common questions
What is Krishnakumar R. Muthu, MD's NPI number?
Krishnakumar R. Muthu, MD's National Provider Identifier (NPI) is 1407056906, issued on Jul 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Krishnakumar R. Muthu, MD located?
The NPPES record lists a practice address at 12221 Merit Drive, Dallas, TX, 75251. Phone: (214) 217-1911. Providers update this record themselves, so call before visiting.
How can I verify Krishnakumar R. Muthu, MD's license?
NPPES lists Texas license number N6517, 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 Krishnakumar R. Muthu, MD prescribe under Medicare Part D?
In 2024, Krishnakumar R. Muthu, MD had 43 Medicare Part D claims for 17 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.