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Dr. Marlena Marie Szewczyk, MD
NPI1275065427PAC ID7719238823
- Medicare services, 2024
- 116
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 1,474
- Publications
- 3
- Hospital affiliations
- 4
- Practice address
- 3655 Lutheran Pkwy, Wheatridge, CO 80033
- Practice phone
- Call (303) 318-2460
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Intermountain Medical Group Denver
Wheatridge, Colorado
Find Dr. Szewczyk's professional email, personal email and mobile number
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Dr. Marlena Marie Szewczyk is an internist in Wheatridge, Colorado
Dr. Szewczyk practices at Intermountain Medical Group Denver in Wheatridge, Colorado.
Dr. Szewczyk's NPI, 1275065427, was assigned on March 28, 2017. Dr. Szewczyk graduated from University of Missouri, Columbia School of Medicine in 2017. Dr. Szewczyk holds Colorado license DR.0067579.
NPI and contact details
- NPI
- 1275065427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719238823
- NPI enumeration date
- March 28, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (303) 318-2460
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marlena Marie Szewczyk practices at Intermountain Medical Group Denver in Wheatridge, Colorado
Dr. Szewczyk's primary practice is Intermountain Medical Group Denver, at 3655 Lutheran Pkwy, Wheatridge, CO 80033 in Jefferson County. The practice phone is (303) 318-2460.
- Intermountain Medical Group Denver3655 Lutheran Pkwy, Wheatridge, CO 80033 · Jefferson CountyPhone(303) 318-2460
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marlena Marie Szewczyk is affiliated with 7 sites of care and 2 medical groups
Dr. Szewczyk's primary practice is Intermountain Medical Group Denver in Wheatridge, Colorado. Dr. Szewczyk is also affiliated with Lutheran Hospital. The medical group on file is Intermountain Health. Dmand AI also links Dr. Szewczyk to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Intermountain Medical Group DenverPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marlena Marie Szewczyk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Szewczyk practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Intermountain Medical Group Denver | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marlena Marie Szewczyk is one of 1,668 internists in Colorado
Internal medicine is Dr. Szewczyk's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Szewczyk is licensed in Colorado.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
Internists near Dr. Szewczyk
Counts of internists 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
Dr. Marlena Marie Szewczyk billed Medicare for 116 services in 2024
CMS data shows 116 Medicare services from Dr. Szewczyk across 1 procedure code in 2024, all of them office visits, for 129 Medicare patients. Medicare paid $10,610 for them. Every service was in an office.
Medicare services, 2024116
Medicare patients129
Paid by Medicare$10,610
Procedure codes1
Dr. Szewczyk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2232024: 11648%
- Tests and treatments
- 2023: 822024: 0100%
- Other services
- 2023: 892024: 0100%
Dr. Szewczyk compared with the Colorado median for internists, 2024
- Dr. Szewczyk
- Colorado median
- Medicare services
- 116vs 37769% below
- Medicare patients
- 129vs 18631% below
- Part D claims
- 943vs 3183.0 times
Medians across 1,630 internists in Colorado with Dmand AI profiles that report each measure.
Dr. Szewczyk's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marlena Marie Szewczyk treated 129 Medicare patients in 2024, average age 74
CMS counts 129 Medicare patients who saw Dr. Szewczyk in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Szewczyk's median patient age at 68, with 61% women.
Medicare patients, 2024129
Average age74
Average risk score1.42
Also on Medicaid16%
Dr. Szewczyk's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Szewczyk's Medicare patients by sex, 2024
- Women8969%
- Men4031%
Chronic conditions among Dr. Szewczyk's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis43%
- Mood disorders34%
- Chronic kidney disease33%
- Diabetes33%
- Ischemic heart disease33%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Szewczyk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marlena Marie Szewczyk wrote 1,474 Medicare Part D claims in 2024
In 2024, Dr. Szewczyk wrote 1,474 Medicare Part D claims for 408 patients. 87% of them were for generic drugs. CMS names the drug for 943 of them, across 36 drugs with 11 or more claims each, at $43,773 in total drug cost. In 2023, CMS named 1,678 claims across 54 drugs.
Part D claims, 20241,474
Drugs named by CMS36
Total drug cost$43,773
Part D patients408
Dr. Szewczyk's Part D claims by kind of drug, 2024
- Generic1,281 claims87%
- Brand-name178 claims12%
- Other15 claims1%
Dr. Szewczyk's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Szewczyk's Part D claims, 2024
- Opioids2%28 of 1,474 claims
- Antibiotics4%63 of 1,474 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,6782024: 94344%
Drugs named by CMS: 36 in 2024, 54 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Marlena Marie Szewczyk offers telehealth to Medicare patients
Dr. Szewczyk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Szewczyk as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marlena Marie Szewczyk has 3 publications on record
Dmand AI links 3 papers to Dr. Szewczyk, published from 2014 to 2021. Dr. Szewczyk's most frequent co-authors are Bradford Zitsch, MD, Brayton Ballenger, MD and Laura Marie Dooley, MD.
Papers3
Years published2014 to 2021
Dr. Szewczyk's papers by year, 2014 to 2021
Dr. Szewczyk's most frequent co-authors
- Bradford Zitsch, MD2 shared papers
- Brayton Ballenger, MD1 shared paper
- Laura Marie Dooley, MD1 shared paper
Recent publications by Dr. Szewczyk
See who Dr. Szewczyk researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Szewczyk works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marlena Marie Szewczyk received $270 in industry payments from 2018 to 2024
CMS Open Payments shows 7 general payments to Dr. Szewczyk from 6 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 85% of the total. Akcea Therapeutics, Inc. paid the most, $146.
General payments to Dr. Szewczyk by program year, 2018 to 2024
General payments to Dr. Szewczyk by kind, 2018 to 2024
$270in total
- Food and beverage$22985%
- Education$4115%
Companies that paid Dr. Szewczyk the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marlena Marie Szewczyk graduated from University of Missouri, Columbia School of Medicine
Dr. Szewczyk graduated from University of Missouri, Columbia School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marlena Marie Szewczyk's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marlena Marie Szewczyk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marlena Marie Szewczyk's NPI number?
Dr. Marlena Marie Szewczyk's NPI number is 1275065427. It was assigned on March 28, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Marlena Marie Szewczyk?
Dr. Marlena Marie Szewczyk is an internist in Wheatridge, Colorado. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marlena Marie Szewczyk practice?
Dr. Szewczyk practices at 3655 Lutheran Pkwy, Wheatridge, CO 80033. Dr. Szewczyk's primary practice is Intermountain Medical Group Denver in Wheatridge, Colorado. Dmand AI also links Dr. Szewczyk to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Marlena Marie Szewczyk's office phone number?
The practice phone on file for Dr. Szewczyk is (303) 318-2460.
What is Dr. Marlena Marie Szewczyk's medical license number?
Dr. Szewczyk holds Colorado license DR.0067579.
Which hospitals is Dr. Marlena Marie Szewczyk affiliated with?
Dr. Szewczyk is affiliated with Lutheran Hospital. Dmand AI links Dr. Szewczyk to 3 more hospitals.
What medical group is Dr. Marlena Marie Szewczyk part of?
Dr. Szewczyk is linked to Intermountain Health. Dmand AI links Dr. Szewczyk to 1 more medical group.
Does Dr. Marlena Marie Szewczyk accept Medicare?
Yes. CMS data shows Dr. Szewczyk billed Medicare for 116 services in 2024, and Dr. Szewczyk accepts Medicare assignment.
Does Dr. Marlena Marie Szewczyk offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Szewczyk as offering telehealth services.
How many Medicare patients does Dr. Marlena Marie Szewczyk see?
CMS counts 129 Medicare patients who saw Dr. Szewczyk in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Marlena Marie Szewczyk bill to Medicare?
In 2024, Dr. Szewczyk's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Marlena Marie Szewczyk go to medical school?
Dr. Szewczyk graduated from University of Missouri, Columbia School of Medicine in 2017.
What drugs does Dr. Marlena Marie Szewczyk prescribe most?
In 2024 Medicare Part D data, Dr. Szewczyk's most prescribed drugs by claims were Losartan Potassium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Marlena Marie Szewczyk received payments from drug or device companies?
CMS Open Payments shows $270 in general payments to Dr. Szewczyk from 6 companies from 2018 to 2024. The largest total came from Akcea Therapeutics, Inc.
How long has Dr. Marlena Marie Szewczyk been practicing?
Dr. Szewczyk graduated from medical school in 2017, 9 years ago.
Does Dr. Marlena Marie Szewczyk do research?
Dmand AI links 3 publications to Dr. Szewczyk, published from 2014 to 2021.
Who does Dr. Marlena Marie Szewczyk publish with?
Dr. Szewczyk's most frequent co-authors are Bradford Zitsch, MD (2 shared papers), Brayton Ballenger, MD (1 shared paper) and Laura Marie Dooley, MD (1 shared paper).
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