Roman Marczak, NP

  • Lafayette, CO
  • Nurse practitioner
NPI1992832976PAC ID9234385071
Medicare patients, 2024
16
Part D claims, 2024
95
Affiliated sites
2
Medical group
1
State license
1
Practice address
280 Exempla Cr, Lafayette, CO 80026
Practice phone
Call (303) 338-3456
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rock Creek Medical Offices

Mammography / Breast Imaging Center · Lafayette, Colorado

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Roman Marczak is a nurse practitioner in Lafayette, Colorado

Roman Marczak practices at Rock Creek Medical Offices in Lafayette, Colorado.

Roman Marczak's NPI, 1992832976, was assigned on February 27, 2007. Roman Marczak holds Colorado license 990384.

NPI and contact details
Medicare PAC ID
9234385071
NPI enumeration date
February 27, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(303) 338-3456
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Roman Marczak practices at Rock Creek Medical Offices in Lafayette, Colorado

Roman Marczak's primary practice is Rock Creek Medical Offices, at 280 Exempla Cr, Lafayette, CO 80026. The practice phone is (303) 338-3456.

  • Rock Creek Medical Offices
    280 Exempla Cr, Lafayette, CO 80026Phone(303) 338-3456

Source: Dmand AI Affiliation Data

Roman Marczak is affiliated with 2 sites of care and 1 medical group

Roman Marczak's primary practice is Rock Creek Medical Offices in Lafayette, Colorado. The medical group on file is Colorado Permanente Medical Group. Dmand AI also links Roman Marczak to 1 more therapy and rehab clinic, named with a free account.

See all 3 affiliations for Roman Marczak

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Roman Marczak's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Roman Marczak practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rock Creek Medical OfficesAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Roman Marczak is one of 866 nurse practitioners in Colorado

Nurse practitioner is Roman Marczak's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Roman Marczak is licensed in Colorado.

Specialties and state licenses

  • Nurse practitioner, ColoradoPrimaryLicense 990384 · taxonomy 363L00000X

Nurse practitioners near Roman Marczak

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Roman Marczak treated 16 Medicare patients in 2024, average age 68

CMS counts 16 Medicare patients who saw Roman Marczak in 2024. 69% of them have high cholesterol. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Roman Marczak's median patient age at 57, with 62% women.

Medicare patients, 202416
Average age68
Average risk score2.14

Chronic conditions among Roman Marczak's Medicare patients, 2024

  1. High cholesterol69%

Share of Medicare patients with each condition. A patient can have several.

Roman Marczak's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women62%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Roman Marczak wrote 95 Medicare Part D claims in 2024

In 2024, Roman Marczak wrote 95 Medicare Part D claims for 64 patients. 80% of them were for generic drugs.

Part D claims, 202495
Part D patients64

Roman Marczak's Part D claims by kind of drug, 2024

  • Generic76 claims80%
  • Brand-name19 claims20%

Drug classes CMS tracks in Roman Marczak's Part D claims, 2024

  • Antibiotics27%26 of 95 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Roman Marczak takes part in Medicare

Roman Marczak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Roman Marczak's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Roman Marczak

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Roman Marczak's NPI number?

Roman Marczak's NPI number is 1992832976. It was assigned on February 27, 2007, and it is active in the NPI Registry.

What does Roman Marczak specialize in?

Roman Marczak is a nurse practitioner in Lafayette, Colorado. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Roman Marczak practice?

Roman Marczak practices at 280 Exempla Cr, Lafayette, CO 80026. Roman Marczak's primary practice is Rock Creek Medical Offices in Lafayette, Colorado. Dmand AI also links Roman Marczak to 1 therapy and rehab clinic.

What is Roman Marczak's office phone number?

The practice phone on file for Roman Marczak is (303) 338-3456.

What is Roman Marczak's medical license number?

Roman Marczak holds Colorado license 990384.

What medical group is Roman Marczak part of?

Roman Marczak is linked to Colorado Permanente Medical Group.

Does Roman Marczak accept Medicare?

Yes. CMS lists Roman Marczak as accepting Medicare assignment.

How many Medicare patients does Roman Marczak see?

CMS counts 16 Medicare patients who saw Roman Marczak in 2024, with an average age of 68.

How long has Roman Marczak been practicing?

Roman Marczak graduated from medical school in 2011, 15 years ago.

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