Isaac Chan
Medical Oncology Physician · Dallas, TX
Isaac Chan is a medical oncology physician with a practice address in Dallas, Texas, and NPI 1356752646, issued on May 8, 2014. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isaac Chan
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- D84660 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2201 Inwood Road 3RD Floor NC3.500, Dallas, TX 75390
- Phone
- (214) 645-4673
- Enumerated
- May 8, 2014
- Record last updated
- Nov 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210114000066); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 547 in Texas → Look up another NPI →
Also registered at 2201 Inwood Road 3RD Floor NC3.500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Hsieh, M.D.Medical Oncology Physician1396184354
- Heather McArthur, M.D.Medical Oncology Physician1790940385
Verify Isaac Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average medical oncology physician in 2024
51 Medicare Part D claims for 17 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Kisqali13 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: $135.50
3 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, 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).
Isaac Chan among 547 medical oncology physician records in Texas
Isaac Chan 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 2014, is newer than 87% of them.
- NPI issued2014 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2014 · median 2000 among the 414 with a school on file
- Record last updated2020 · 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
- Joshua Gruber, M.D.Dallas, TX 753901437441904
- Hans Hammers, M.D., PH.D.Dallas, TX 753901851437909
- David Hsieh, M.D.Dallas, TX 753901396184354
Common questions
What is Isaac Chan's NPI number?
Isaac Chan's National Provider Identifier (NPI) is 1356752646, issued on May 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Chan located?
The NPPES record lists a practice address at 2201 Inwood Road 3RD Floor NC3.500, Dallas, TX, 75390. Phone: (214) 645-4673. Providers update this record themselves, so call before visiting.
How can I verify Isaac Chan's license?
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 Isaac Chan prescribe under Medicare Part D?
In 2024, Isaac Chan had 51 Medicare Part D claims for 17 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Isaac Chan'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.