Mark Malyak, MD
Rheumatology Physician · Denver, CO
Mark Malyak, MD is a rheumatology physician with a practice address in Denver, Colorado, and NPI 1659365211, issued on Sep 9, 2005. Check the license (Colorado 31151, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Malyak
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 31151 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2821 E Cedar Ave Apt 4, Denver, CO 80209
- Phone
- (303) 781-4198
- Enumerated
- Sep 9, 2005
- Record last updated
- Jan 22, 2024
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 145 in Colorado → Look up another NPI →
Verify Mark Malyak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 31151Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average rheumatology physician in 2024
172 Medicare Part D claims for 105 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxychloroquine Sulfate32 claims
- Prednisone20 claims
- Methotrexate16 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): 89.3 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: $17.01
1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Mark Malyak among 145 rheumatology physician records in Colorado
Mark Malyak, MD is one of 145 rheumatology physician records with a practice address in Colorado. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Colorado
There are 145 rheumatology physician records in Colorado.
All 145 in Colorado → Every provider in Denver → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Judy Heller, M.D.Denver, CO 802091881818581
- Duane Pearson, M.D.Denver, CO 802091528083631
- Vivianne Allsop, MDDenver, CO 802061215499603
- Bjorn Anderson, MDDenver, CO 802061922521442
- Marc Cohen, M.D.Denver, CO 802061053301739
- Aryeh Fischer, M.D.Denver, CO 802061669436259
- Rebecca Gordon, M.D.Denver, CO 802061316168834
- Ivana IlicDenver, CO 802061285194555
Common questions
What is Mark Malyak, MD's NPI number?
Mark Malyak, MD's National Provider Identifier (NPI) is 1659365211, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Malyak, MD located?
The NPPES record lists a practice address at 2821 E Cedar Ave Apt 4, Denver, CO, 80209. Phone: (303) 781-4198. Providers update this record themselves, so call before visiting.
How can I verify Mark Malyak, MD's license?
NPPES lists Colorado license number 31151, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Malyak, MD prescribe under Medicare Part D?
In 2024, Mark Malyak, MD had 172 Medicare Part D claims for 105 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Mark Malyak, MD's MIPS final score?
The 2023 MIPS final score is 89.3 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.