Isaac Matthew Chambers, MD
Hematology & Oncology Physician · Hays, KS
Isaac Matthew Chambers, MD is a hematology & oncology physician with a practice address in Hays, Kansas, and NPI 1497168777, issued on Jun 4, 2014. Check the license (Kansas 0438241, as entered in NPPES) on the Kansas State Board of Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Isaac Matthew Chambers
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 0438241 KS
Self-reported in NPPES; status is on the state search - Practice location
- 2220 Canterbury Dr, Hays, KS 67601
- Phone
- (785) 623-5775
- Enumerated
- Jun 4, 2014
- Record last updated
- Aug 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (785) 623-5774
- Medicare enrollment
- Enrolled (PECOS I20151020002582); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 113 in Kansas → Look up another NPI →
Also registered at 2220 Canterbury Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anthony Accurso, MDHematology & Oncology Physician1295098424
- Mark Ackerman, CRNACertified Registered Nurse Anesthetist1679518609
- Alexa BasgallOncology Registered Nurse1487573440
- Jana BieberleCertified Registered Nurse Anesthetist1295369494
- Michaela Bird, CRNACertified Registered Nurse Anesthetist1912437005
- Babe Breit, APRNNurse Practitioner1992808570
Verify Isaac Matthew Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKansas State Board of Healing Arts
Search for license 0438241Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
658 Medicare Part D claims for 138 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Anastrozole66 claims
- Prochlorperazine Maleate45 claims
- Letrozole43 claims
- Tamoxifen Citrate42 claims
- Prednisone35 claims
- Gabapentin33 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 MIPS final score for 2023 (Medicare payment program): 81.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,057.31
107 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Hays Medical Center IncHays, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Matthew Chambers among 113 hematology & oncology physician records in Kansas
Isaac Matthew Chambers, MD is one of 113 hematology & oncology physician records with a practice address in Kansas. 90% 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 70% of them.
- NPI issued2014 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2014 · median 2006 among the 85 with a school on file
- Record last updated2020 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Kansas
There are 113 hematology & oncology physician records in Kansas.
All 113 in Kansas → Every provider in Hays → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Anthony Accurso, MDHays, KS 676011295098424
- George Pikler, MDHays, KS 676011902974603
- Sawsan Amireh, MDHutchinson, KS 675021548652514
- Fadi Estephan, MDHutchinson, KS 675021013987924
- Seth Page, M.D.McPherson, KS 674601518974948
- Larry Beck, M.D.Salina, KS 674011851356042
- Jeffrey Geitz, M.D.Salina, KS 674011124246855
- Peeran Sandhu, M.D.Salina, KS 674011003957788
Common questions
What is Isaac Matthew Chambers, MD's NPI number?
Isaac Matthew Chambers, MD's National Provider Identifier (NPI) is 1497168777, issued on Jun 4, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Matthew Chambers, MD located?
The NPPES record lists a practice address at 2220 Canterbury Dr, Hays, KS, 67601. Phone: (785) 623-5775. Providers update this record themselves, so call before visiting.
How can I verify Isaac Matthew Chambers, MD's license?
NPPES lists Kansas license number 0438241, as entered by the provider. Search the Kansas State Board of Healing Arts at https://www.ksbha.ks.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isaac Matthew Chambers, MD prescribe under Medicare Part D?
In 2024, Isaac Matthew Chambers, MD had 658 Medicare Part D claims for 138 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Isaac Matthew Chambers, MD's MIPS final score?
The 2023 MIPS final score is 81.8 of 100. 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.