Doctor profile · Federal record

Dr. Mark Malyak, MD

Rheumatology Physician · Denver, CO

  • NPI 1659365211
  • MIPS 89.3 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2821 E Cedar Ave Apt 4
Denver, CO 802093397
(303) 781-4198
Additional location
7111 E Lowry Blvd Ste 200
Denver, CO 802307360
(303) 394-2828
fax (303) 320-0242
Mailing address
7111 E Lowry Blvd Ste 200
Denver, CO 802307360

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 22, 2024
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Colorado #31151

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659365211. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
91,787
Distinct HCPCS
10
Medicare allowed
$1,549,232
HCPCS Description Services Patients Avg allowed
J3262 Injection, tocilizumab, 1 mg 61,320 15 $6
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 14,550 33 $42
J1745 Injection, infliximab, excludes biosimilar, 10 mg 6,410 21 $33
J0897 Injection, denosumab, 1 mg 6,240 64 $23
99213 Established patient office or other outpatient visit, 20-29 minutes 754 331 $91
96413 Administration of chemotherapy into vein, 1 hour or less 539 84 $137
J7050 Infusion, normal saline solution, 250 cc 374 73 $1
36415 Insertion of needle into vein for collection of blood sample 344 95 $8
96415 Administration of chemotherapy into vein, each additional hour 170 30 $29
J1740 Injection, ibandronate sodium, 1 mg 168 22 $28

In context: peer comparison

Among 19 peers in this city , average services per provider: 2,043. This provider delivers 45× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $17.01

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,558
Patients
425
Total drug cost
$1,125,823
Drug Type Claims Patients Total cost
Prednisone Generic 308 110 $5,305
Hydroxychloroquine Sulfate Generic 292 88 $23,246
Tramadol Hcl Generic 191 58 $1,407
Methotrexate (Methotrexate Sodium) Brand 163 42 $6,148
Sulfasalazine Dr (Sulfasalazine) Brand 97 23 $5,214
Leflunomide Generic 76 19 $5,609
Sulfasalazine Generic 71 12 $2,062
Folic Acid Generic 61 16 $351
Enbrel Sureclick (Etanercept) Brand 59 0 $451,786
Alendronate Sodium Generic 48 14 $476

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Malyak's medical specialty?
Dr. Mark Malyak practices Rheumatology Physician in Denver, CO.
Where does Dr. Mark Malyak practice?
Dr. Mark Malyak practices at 2821 E Cedar Ave Apt 4, Denver, CO 802093397. Office phone: 3037814198.
What is Dr. Mark Malyak's NPI?
Dr. Mark Malyak's National Provider Identifier (NPI) is 1659365211, issued by NPPES.
What procedures does Dr. Mark Malyak commonly perform?
Top Medicare-reported procedures in 2023: Injection, tocilizumab, 1 mg (HCPCS J3262); Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0129); Injection, infliximab, excludes biosimilar, 10 mg (HCPCS J1745). Source: CMS Medicare Physician & Other Practitioners file.