Creticus P. Marak, MD
Critical Care Medicine (Internal Medicine) Physician · Denver, CO
Creticus P. Marak, MD is a critical care medicine (internal medicine) physician with a practice address in Denver, Colorado, and NPI 1215163514, issued on Jun 2, 2009. Check the license (Colorado 53521, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Creticus P. Marak
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 53521 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Jackson St, Denver, CO 80206
- Phone
- (303) 388-4461
- Enumerated
- Jun 2, 2009
- Record last updated
- Jun 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (303) 270-2174
- Medicaid ID
- 97306347 CO
- Medicare enrollment
- Enrolled (PECOS I20130924000189); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 149 in Colorado → Look up another NPI →
Also registered at 1400 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rafeul Alam, MDAllergy & Immunology Physician1790730687
- Jon Allison, PACMedical Physician Assistant1609812668
- Vivianne Allsop, MDRheumatology Physician1215499603
- Mark Aloia, MDPsychiatry Physician1295842607
Verify Creticus P. Marak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 53521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
829 Medicare Part D claims for 185 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Trelegy Ellipta196 claims
- Spiriva Respimat97 claims
- Wixela Inhub57 claims
- Albuterol Sulfate Hfa41 claims
- Fluticasone Propionate40 claims
- Jardiance34 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): 91.2 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).
One hospital affiliation
- Northeastern Health SystemTahlequah, OK · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Creticus P. Marak among 149 critical care medicine (internal medicine) physician records in Colorado
Creticus P. Marak, MD is one of 149 critical care medicine (internal medicine) physician records with a practice address in Colorado. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2000 · median 2005 among the 123 with a school on file
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Colorado
There are 149 critical care medicine (internal medicine) physician records in Colorado.
All 149 in Colorado → Every provider in Denver → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Amy Cacace, M.D.Denver, CO 802061891050233
- Gregory Cosgrove, MDDenver, CO 802061396835187
- Vanessa Craig, M.D.Denver, CO 802061548295579
- David Hsia, M.D.Denver, CO 802061548310840
- Patrick Hume, MD, PHDDenver, CO 802061962840934
- Mark Kearns, MDDenver, CO 802061770539116
- Kenneth Lyn-Kew, M.D.Denver, CO 802061154441533
- Ikue Nakayama, MDDenver, CO 802061538324868
Common questions
What is Creticus P. Marak, MD's NPI number?
Creticus P. Marak, MD's National Provider Identifier (NPI) is 1215163514, issued on Jun 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Creticus P. Marak, MD located?
The NPPES record lists a practice address at 1400 Jackson St, Denver, CO, 80206. Phone: (303) 388-4461. Providers update this record themselves, so call before visiting.
How can I verify Creticus P. Marak, MD's license?
NPPES lists Colorado license number 53521, 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 Creticus P. Marak, MD prescribe under Medicare Part D?
In 2024, Creticus P. Marak, MD had 829 Medicare Part D claims for 185 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Creticus P. Marak, MD's MIPS final score?
The 2023 MIPS final score is 91.2 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.