Joshua James Gruber, M.D.
Medical Oncology Physician · Dallas, TX
Joshua James Gruber, M.D. is a medical oncology physician with a practice address in Dallas, Texas, and NPI 1437441904, issued on May 3, 2011. Check the license (Texas T2614, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joshua James Gruber
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- T2614 TX
A122149 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6201 Harry Hines Blvd, Dallas, TX 75390
- Phone
- (214) 633-5555
- Enumerated
- May 3, 2011
- Record last updated
- Jul 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210804001791); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2011
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 547 in Texas → Look up another NPI →
Also registered at 6201 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joshua James Gruber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T2614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average medical oncology physician in 2024
82 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.
Most prescribed
- Anastrozole32 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): 74.6 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: $258.98
5 payments; by number, the most common kind was food and beverage; the largest payer was Stemline Therapeutics 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
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua James Gruber among 547 medical oncology physician records in Texas
Joshua James Gruber, 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 2011, is newer than 80% of them.
- NPI issued2011 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2011 · median 2000 among the 414 with a school on file
- Record last updated2021 · 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 Dallas → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Salwan Al Mutar, M.DDallas, TX 753901508285313
- Carlos Arteaga, MDDallas, TX 753901902980014
- Yu Cao, MDDallas, TX 753901942566070
- Suzanne Conzen, MDDallas, TX 753901518029073
- David Gerber, M.D.Dallas, TX 753901336295039
- Hans Hammers, M.D., PH.D.Dallas, TX 753901851437909
- David Hsieh, M.D.Dallas, TX 753901396184354
- Heather McArthur, M.D.Dallas, TX 753901790940385
Common questions
What is Joshua James Gruber, M.D.'s NPI number?
Joshua James Gruber, M.D.'s National Provider Identifier (NPI) is 1437441904, issued on May 3, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joshua James Gruber, M.D. located?
The NPPES record lists a practice address at 6201 Harry Hines Blvd, Dallas, TX, 75390. Phone: (214) 633-5555. Providers update this record themselves, so call before visiting.
How can I verify Joshua James Gruber, M.D.'s license?
NPPES lists Texas license number T2614, 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 Joshua James Gruber, M.D. prescribe under Medicare Part D?
In 2024, Joshua James Gruber, M.D. had 82 Medicare Part D claims for 22 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Joshua James Gruber, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.6 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.