Dr. Gregory Raphael Kotnis, MD
- Medicare services, 2024
- 480
- Medicare patients, 2024
- 181
- Hospital affiliations
- 4
- Industry payments
- $15,677
- Medical group
- 1
- Practice address
- 20 Northpointe Pkwy, Buffalo, NY 14228
- Practice phone
- Call (716) 862-1833
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eastern Great Lakes Pathology
Buffalo, New York
Find Dr. Kotnis' 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. Gregory Raphael Kotnis is a pathologist in Buffalo, New York
Dr. Kotnis practices at Eastern Great Lakes Pathology in Buffalo, New York.
Dr. Kotnis' NPI, 1740336429, was assigned on January 26, 2007. Dr. Kotnis holds Colorado license DR.0050096.
- NPI
- 1740336429NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567627649
- NPI enumeration date
- January 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 862-1833
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Raphael Kotnis practices at Eastern Great Lakes Pathology in Buffalo, New York
Dr. Kotnis' primary practice is Eastern Great Lakes Pathology, at 20 Northpointe Pkwy, Buffalo, NY 14228 in Erie County. The practice phone is (716) 862-1833.
- Eastern Great Lakes Pathology20 Northpointe Pkwy, Buffalo, NY 14228 · Erie CountyPhone(716) 862-1833
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Raphael Kotnis is affiliated with 6 sites of care and 1 medical group
Dr. Kotnis' primary practice is Eastern Great Lakes Pathology in Buffalo, New York. Dr. Kotnis is also affiliated with Sisters of Charity Hospital. The medical group on file is Eastern Great Lakes Pathology, P.C. Dmand AI also links Dr. Kotnis to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Raphael Kotnis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kotnis practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eastern Great Lakes Pathology | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Raphael Kotnis is one of 722 pathologists in New York
Anatomic pathology and clinical pathology is Dr. Kotnis' primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dmand AI has Dr. Kotnis' licenses on file in 2 states: Colorado and Virginia.
Specialties and state licenses
- Anatomic pathology and clinical pathology, ColoradoPrimary
- Virginia license
Pathologists near Dr. Kotnis
Counts of pathologists 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. Gregory Raphael Kotnis billed Medicare for 480 services in 2024
CMS data shows 480 Medicare services from Dr. Kotnis across 9 procedure codes in 2024, for 181 Medicare patients. Medicare paid $12,100 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kotnis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,6192024: 48070%
Dr. Kotnis compared with the New York median for pathologists, 2024
- Dr. Kotnis
- New York median
- Medicare services
- 480vs 1,02253% below
- Medicare patients
- 181vs 36550% below
Medians across 735 pathologists in New York with Dmand AI profiles that report each measure.
Dr. Kotnis' 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. Kotnis and other pathologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Raphael Kotnis treated 181 Medicare patients in 2024, average age 72
CMS counts 181 Medicare patients who saw Dr. Kotnis in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kotnis' median patient age at 64, with 57% women.
Dr. Kotnis' Medicare patients by age, 2024
Dr. Kotnis' Medicare patients by sex, 2024
- Women9552%
- Men8648%
Chronic conditions among Dr. Kotnis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Anxiety38%
- Chronic kidney disease38%
- Diabetes36%
- Mood disorders35%
- Ischemic heart disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kotnis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gregory Raphael Kotnis takes part in Medicare
Dr. Kotnis 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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Dr. Gregory Raphael Kotnis received $15,677 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Kotnis from 6 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 54% of the total. AstraZeneca Pharmaceuticals LP paid the most, $15,485.
General payments to Dr. Kotnis by program year, 2016 to 2025
General payments to Dr. Kotnis by kind, 2016 to 2025
- Consulting fees$8,50054%
- Speaker and faculty fees$5,35034%
- Travel and lodging$1,1727%
- Food and beverage$6554%
Companies that paid Dr. Kotnis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory Raphael Kotnis'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Gregory Raphael Kotnis
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. Gregory Raphael Kotnis' NPI number?
Dr. Gregory Raphael Kotnis' NPI number is 1740336429. It was assigned on January 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Raphael Kotnis?
Dr. Gregory Raphael Kotnis is a pathologist in Buffalo, New York. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Gregory Raphael Kotnis practice?
Dr. Kotnis practices at 20 Northpointe Pkwy, Buffalo, NY 14228. Dr. Kotnis' primary practice is Eastern Great Lakes Pathology in Buffalo, New York. Dmand AI also links Dr. Kotnis to 3 hospitals and 1 group practice or clinic.
What is Dr. Gregory Raphael Kotnis' office phone number?
The practice phone on file for Dr. Kotnis is (716) 862-1833.
What is Dr. Gregory Raphael Kotnis' medical license number?
Dr. Kotnis holds Colorado license DR.0050096, one of the licenses on file in 2 states.
Which states has Dr. Gregory Raphael Kotnis been licensed in?
Dmand AI has state licenses on file for Dr. Kotnis in Colorado and Virginia.
Which hospitals is Dr. Gregory Raphael Kotnis affiliated with?
Dr. Kotnis is affiliated with Sisters of Charity Hospital. Dmand AI links Dr. Kotnis to 3 more hospitals.
What medical group is Dr. Gregory Raphael Kotnis part of?
Dr. Kotnis is linked to Eastern Great Lakes Pathology, P.C.
Does Dr. Gregory Raphael Kotnis accept Medicare?
Yes. CMS data shows Dr. Kotnis billed Medicare for 480 services in 2024, and Dr. Kotnis accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Raphael Kotnis see?
CMS counts 181 Medicare patients who saw Dr. Kotnis in 2024, with an average age of 72.
Show 3 more questionsShow fewer questions
What services does Dr. Gregory Raphael Kotnis bill to Medicare?
In 2024, Dr. Kotnis' most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).
Has Dr. Gregory Raphael Kotnis received payments from drug or device companies?
CMS Open Payments shows $15,677 in general payments to Dr. Kotnis from 6 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gregory Raphael Kotnis been practicing?
Dr. Kotnis graduated from medical school in 2006, 20 years ago.
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