Dr. Mary A. Kovalak, MD
- Medicare services, 2024
- 208
- Medicare patients, 2024
- 110
- Part D claims, 2024
- 347
- Hospital affiliations
- 1
- Industry payments
- $1,422
- Practice address
- 499 E Hampden Ave, Englewood, CO 80113
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Denver Endoscopy Center - HOPD
Acute Care Hospital outpatient department · Englewood, Colorado
Find Dr. Kovalak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mary A. Kovalak is a gastroenterologist in Englewood, Colorado
Dr. Kovalak practices at South Denver Endoscopy Center - HOPD in Englewood, Colorado.
Dr. Kovalak's NPI, 1003861030, was assigned on May 25, 2006. Dr. Kovalak graduated from Michigan State University College of Human Medicine in 2002. Dr. Kovalak holds Colorado license 48189.
- NPI
- 1003861030NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335165398
- NPI enumeration date
- May 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary A. Kovalak practices at South Denver Endoscopy Center - HOPD in Englewood, Colorado
Dr. Kovalak's primary practice is South Denver Endoscopy Center - HOPD, at 499 E Hampden Ave, Englewood, CO 80113.
- South Denver Endoscopy Center - HOPD499 E Hampden Ave, Englewood, CO 80113
Source: Dmand AI Affiliation Data
Dr. Mary A. Kovalak is affiliated with 3 sites of care and 1 medical group
Dr. Kovalak's primary practice is South Denver Endoscopy Center - HOPD in Englewood, Colorado. Dr. Kovalak is also affiliated with HCA HealthONE Swedish. The medical group on file is South Denver Gastroenterology. Dmand AI also links Dr. Kovalak to 1 more ambulatory surgery center, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mary A. Kovalak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kovalak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Denver Endoscopy Center - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary A. Kovalak is one of 282 gastroenterologists in Colorado
Gastroenterology is Dr. Kovalak's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Kovalak is licensed in Colorado.
Specialties and state licenses
- Gastroenterology, ColoradoPrimary
Gastroenterologists near Dr. Kovalak
Counts of gastroenterologists 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. Mary A. Kovalak billed Medicare for 208 services in 2024
CMS data shows 208 Medicare services from Dr. Kovalak across 6 procedure codes in 2024, for 110 Medicare patients. Medicare paid $21,096 for them.
Dr. Kovalak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 862024: 9814%
- Surgery
- 2023: 1172024: 9618%
- Other services
- 2023: 02024: 14
Where Dr. Kovalak's Medicare services took place, 2024
- In an office9847%
- In a facility11053%
Dr. Kovalak compared with the Colorado median for gastroenterologists, 2024
- Dr. Kovalak
- Colorado median
- Medicare services
- 208vs 36843% below
- Medicare patients
- 110vs 25657% below
- Part D claims
- 255vs 32121% below
Medians across 280 gastroenterologists in Colorado with Dmand AI profiles that report each measure.
Dr. Kovalak'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kovalak and other gastroenterologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary A. Kovalak treated 110 Medicare patients in 2024, average age 73
CMS counts 110 Medicare patients who saw Dr. Kovalak in 2024. The largest group is 65 to 74, with 53 patients. 66% of them have high cholesterol, and 50% have arthritis. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kovalak's median patient age at 61, with 64% women.
Dr. Kovalak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kovalak's Medicare patients by sex, 2024
- Women8275%
- Men2825%
Chronic conditions among Dr. Kovalak's Medicare patients, 2024
- High cholesterol66%
- Arthritis50%
- High blood pressure45%
- Mood disorders31%
- Depression25%
- Osteoporosis24%
- Anxiety22%
- COPD21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kovalak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women64%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary A. Kovalak wrote 347 Medicare Part D claims in 2024
In 2024, Dr. Kovalak wrote 347 Medicare Part D claims for 115 patients. 77% of them were for generic drugs. CMS names the drug for 255 of them, across 10 drugs with 11 or more claims each, at $16,034 in total drug cost. In 2023, CMS named 193 claims across 6 drugs.
Dr. Kovalak's Part D claims by kind of drug, 2024
- Generic267 claims77%
- Brand-name80 claims23%
Dr. Kovalak'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. Kovalak's Part D claims, 2024
- Antibiotics5%18 of 347 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: 1932024: 25532%
Drugs named by CMS: 10 in 2024, 6 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. Mary A. Kovalak ranks in the 56th percentile for colonoscopy in Medicare
Dr. Kovalak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kovalak as offering telehealth. CMS counts 34 procedures of colonoscopy by Dr. Kovalak, more than 56% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Kovalak ranks in Medicare procedure volume
- Colonoscopy
- 56th percentile34 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 51st percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mary A. Kovalak received $1,422 in industry payments from 2016 to 2025
CMS Open Payments shows 47 general payments to Dr. Kovalak from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $687.
General payments to Dr. Kovalak by program year, 2016 to 2025
General payments to Dr. Kovalak by kind, 2016 to 2025
- Food and beverage$1,40599%
- Education$171%
Companies that paid Dr. Kovalak the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary A. Kovalak graduated from Michigan State University College of Human Medicine
Dr. Kovalak graduated from Michigan State University College of Human Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary A. Kovalak'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. Mary A. Kovalak
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. Mary A. Kovalak's NPI number?
Dr. Mary A. Kovalak's NPI number is 1003861030. It was assigned on May 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary A. Kovalak?
Dr. Mary A. Kovalak is a gastroenterologist in Englewood, Colorado. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mary A. Kovalak practice?
Dr. Kovalak practices at 499 E Hampden Ave, Englewood, CO 80113. Dr. Kovalak's primary practice is South Denver Endoscopy Center - HOPD in Englewood, Colorado. Dmand AI also links Dr. Kovalak to 1 ambulatory surgery center.
What is Dr. Mary A. Kovalak's medical license number?
Dr. Kovalak holds Colorado license 48189.
Which hospitals is Dr. Mary A. Kovalak affiliated with?
Dr. Kovalak is affiliated with HCA HealthONE Swedish.
What medical group is Dr. Mary A. Kovalak part of?
Dr. Kovalak is linked to South Denver Gastroenterology.
Does Dr. Mary A. Kovalak accept Medicare?
Yes. CMS data shows Dr. Kovalak billed Medicare for 208 services in 2024, and Dr. Kovalak accepts Medicare assignment.
Does Dr. Mary A. Kovalak offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kovalak as offering telehealth services.
How many Medicare patients does Dr. Mary A. Kovalak see?
CMS counts 110 Medicare patients who saw Dr. Kovalak in 2024, with an average age of 73.
What services does Dr. Mary A. Kovalak bill to Medicare?
In 2024, Dr. Kovalak's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45380) and surgery: digestive system (45385).
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Where did Dr. Mary A. Kovalak go to medical school?
Dr. Kovalak graduated from Michigan State University College of Human Medicine in 2002.
What drugs does Dr. Mary A. Kovalak prescribe most?
In 2024 Medicare Part D data, Dr. Kovalak's most prescribed drugs by claims were Lansoprazole, Omeprazole and Sutab.
Has Dr. Mary A. Kovalak received payments from drug or device companies?
CMS Open Payments shows $1,422 in general payments to Dr. Kovalak from 17 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Mary A. Kovalak been practicing?
Dr. Kovalak graduated from medical school in 2002, 24 years ago.
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