Dr. Gayleen Kolaczewski, MD
- Medicare services, 2024
- 371
- Medicare patients, 2024
- 140
- Part D claims, 2024
- 6,804
- Hospital affiliations
- 3
- Industry payments
- $5,479
- Practice address
- 1900 23rd Street, Cuyahoga Falls, OH 44223
- Practice phone
- Call (330) 971-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kolaczewski'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. Gayleen Kolaczewski is a gastroenterologist in Cuyahoga Falls, Ohio
Dr. Kolaczewski practices at Western Reserve Hospital in Cuyahoga Falls, Ohio, part of Western Reserve Hospital.
Dr. Kolaczewski's NPI, 1497841845, was assigned on October 5, 2006. Dr. Kolaczewski graduated from Ohio State University College of Medicine in 1981. Dr. Kolaczewski holds Ohio license 35049229.
- NPI
- 1497841845NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395878912
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 971-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gayleen Kolaczewski practices at Western Reserve Hospital in Cuyahoga Falls, Ohio
Dr. Kolaczewski's primary practice is Western Reserve Hospital, at 1900 23rd Street, Cuyahoga Falls, OH 44223 in Summit County. The practice phone is (330) 971-7000.
- Western Reserve Hospital1900 23rd Street, Cuyahoga Falls, OH 44223 · Summit CountyPhone(330) 971-7000
Source: Dmand AI Affiliation Data
Dr. Gayleen Kolaczewski is affiliated with 3 sites of care and 1 medical group
Dr. Kolaczewski's primary practice is Western Reserve Hospital in Cuyahoga Falls, Ohio, part of Western Reserve Hospital. Dr. Kolaczewski is also affiliated with Cleveland Clinic Akron General. The medical group on file is The Blick Center. Dmand AI also links Dr. Kolaczewski to 1 more hospital, named with a free account. Dr. Kolaczewski's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gayleen Kolaczewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kolaczewski practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Western Reserve Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Western Reserve Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gayleen Kolaczewski is one of 692 gastroenterologists in Ohio
Gastroenterology is Dr. Kolaczewski's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Kolaczewski is licensed in Ohio.
Specialties and state licenses
- Gastroenterology, OhioPrimary
Gastroenterologists near Dr. Kolaczewski
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. Gayleen Kolaczewski billed Medicare for 371 services in 2024
CMS data shows 371 Medicare services from Dr. Kolaczewski across 3 procedure codes in 2024, all of them office visits, for 140 Medicare patients. Medicare paid $33,219 for them. Every service was in an office.
Dr. Kolaczewski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3672024: 3711%
- Tests and treatments
- 2023: 222024: 0100%
- Other services
- 2023: 182024: 0100%
Dr. Kolaczewski compared with the Ohio median for gastroenterologists, 2024
- Dr. Kolaczewski
- Ohio median
- Medicare services
- 371vs 4048% below
- Medicare patients
- 140vs 28851% below
- Part D claims
- 6,276vs 40215.6 times
Medians across 687 gastroenterologists in Ohio with Dmand AI profiles that report each measure.
Dr. Kolaczewski'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. Kolaczewski and other gastroenterologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gayleen Kolaczewski treated 140 Medicare patients in 2024, average age 65
CMS counts 140 Medicare patients who saw Dr. Kolaczewski in 2024. The largest group is under 65, with 54 patients. 65% of them have high blood pressure, and 54% have high cholesterol. 51% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kolaczewski's median patient age at 67, with 66% women.
Dr. Kolaczewski's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kolaczewski's Medicare patients by sex, 2024
- Women9266%
- Men4834%
Chronic conditions among Dr. Kolaczewski's Medicare patients, 2024
- High blood pressure65%
- High cholesterol54%
- Arthritis51%
- Anxiety40%
- Mood disorders33%
- Depression29%
- Diabetes26%
- ADHD and conduct disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kolaczewski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women66%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gayleen Kolaczewski wrote 6,804 Medicare Part D claims in 2024
In 2024, Dr. Kolaczewski wrote 6,804 Medicare Part D claims for 301 patients. 91% of them were for generic drugs. CMS names the drug for 6,276 of them, across 136 drugs with 11 or more claims each, at $320,258 in total drug cost. In 2023, CMS named 6,197 claims across 133 drugs.
Dr. Kolaczewski's Part D claims by kind of drug, 2024
- Generic6,200 claims91%
- Brand-name590 claims9%
- Other14 claims0%
Dr. Kolaczewski'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. Kolaczewski's Part D claims, 2024
- Opioids3%237 of 6,804 claims
- Antibiotics5%324 of 6,804 claims
- Antipsychotics, patients 65 and over1%58 of 6,804 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: 6,1972024: 6,2761%
Drugs named by CMS: 136 in 2024, 133 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. Gayleen Kolaczewski ranks in the 57th percentile for colonoscopy in Medicare
Dr. Kolaczewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 37 procedures of colonoscopy by Dr. Kolaczewski, more than 57% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kolaczewski ranks in Medicare procedure volume
- Colonoscopy
- 57th percentile37 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gayleen Kolaczewski received $5,479 in industry payments from 2016 to 2025
CMS Open Payments shows 257 general payments to Dr. Kolaczewski from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $1,214.
General payments to Dr. Kolaczewski by program year, 2016 to 2025
General payments to Dr. Kolaczewski by kind, 2016 to 2025
- Food and beverage$5,16894%
- Education$3116%
Companies that paid Dr. Kolaczewski 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. Gayleen Kolaczewski graduated from Ohio State University College of Medicine
Dr. Kolaczewski graduated from Ohio State University College of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gayleen Kolaczewski'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 DataDmand AI Org Hierarchy 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. Gayleen Kolaczewski
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. Gayleen Kolaczewski's NPI number?
Dr. Gayleen Kolaczewski's NPI number is 1497841845. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gayleen Kolaczewski?
Dr. Gayleen Kolaczewski is a gastroenterologist in Cuyahoga Falls, Ohio. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Gayleen Kolaczewski practice?
Dr. Kolaczewski practices at 1900 23rd Street, Cuyahoga Falls, OH 44223. Dr. Kolaczewski's primary practice is Western Reserve Hospital in Cuyahoga Falls, Ohio, part of Western Reserve Hospital. Dmand AI also links Dr. Kolaczewski to 1 hospital.
What is Dr. Gayleen Kolaczewski's office phone number?
The practice phone on file for Dr. Kolaczewski is (330) 971-7000.
What is Dr. Gayleen Kolaczewski's medical license number?
Dr. Kolaczewski holds Ohio license 35049229.
Which hospitals is Dr. Gayleen Kolaczewski affiliated with?
Dr. Kolaczewski practices at Western Reserve Hospital in Cuyahoga Falls, Ohio. Dr. Kolaczewski is also affiliated with Cleveland Clinic Akron General. Dmand AI links Dr. Kolaczewski to 1 more hospital.
What medical group is Dr. Gayleen Kolaczewski part of?
Dr. Kolaczewski is linked to The Blick Center.
Does Dr. Gayleen Kolaczewski accept Medicare?
Yes. CMS data shows Dr. Kolaczewski billed Medicare for 371 services in 2024, and Dr. Kolaczewski accepts Medicare assignment.
How many Medicare patients does Dr. Gayleen Kolaczewski see?
CMS counts 140 Medicare patients who saw Dr. Kolaczewski in 2024, with an average age of 65.
What services does Dr. Gayleen Kolaczewski bill to Medicare?
In 2024, Dr. Kolaczewski's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Gayleen Kolaczewski go to medical school?
Dr. Kolaczewski graduated from Ohio State University College of Medicine in 1981.
What drugs does Dr. Gayleen Kolaczewski prescribe most?
In 2024 Medicare Part D data, Dr. Kolaczewski's most prescribed drugs by claims were Levothyroxine Sodium, Omeprazole and Metformin HCl.
Has Dr. Gayleen Kolaczewski received payments from drug or device companies?
CMS Open Payments shows $5,479 in general payments to Dr. Kolaczewski from 32 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Gayleen Kolaczewski been practicing?
Dr. Kolaczewski graduated from medical school in 1981, 45 years ago.
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