Dr. Robert C. Semidey, MD
- Medicare services, 2023
- 58
- Hospital affiliations
- 3
- Industry payments
- $209
- Medical groups
- 3
- State license
- 1
- Practice address
- 100 High St., Buffalo, NY 14203
- Practice phone
- Call (716) 859-2556
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaleida Health - Unit
Acute Care Hospital-Unit · Buffalo, New York
Find Dr. Semidey's professional email, personal email and mobile number
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Dr. Robert C. Semidey is an anesthesiologist in Buffalo, New York
Dr. Semidey practices at Kaleida Health - Unit in Buffalo, New York.
Dr. Semidey's NPI, 1942696257, was assigned on April 13, 2015. Dr. Semidey graduated from State University of New York at Buffalo School of Medicine in 2015. Dr. Semidey holds New York license 296396.
- NPI
- 1942696257NPI Registry (opens in a new tab)
- NPI enumeration date
- April 13, 2015
- NPI status
- Active
- Practice phone
- (716) 859-2556
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert C. Semidey practices at Kaleida Health - Unit in Buffalo, New York
Dr. Semidey's primary practice is Kaleida Health - Unit, at 100 High St., Buffalo, NY 14203 in Erie County. The practice phone is (716) 859-2556.
- Kaleida Health - Unit100 High St., Buffalo, NY 14203 · Erie CountyPhone(716) 859-2556
Source: Dmand AI Affiliation Data
Dr. Robert C. Semidey is affiliated with 3 sites of care and 3 medical groups
Dr. Semidey's primary practice is Kaleida Health - Unit in Buffalo, New York. Dr. Semidey is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Great Lakes Anesthesiology. Dmand AI also links Dr. Semidey to 1 more hospital and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert C. Semidey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Semidey practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaleida Health - Unit | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert C. Semidey is one of 3,858 anesthesiologists in New York
Anesthesiology is Dr. Semidey's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Semidey is licensed in New York.
Specialties and state licenses
- Anesthesiology, New YorkPrimary
Anesthesiologists near Dr. Semidey
Counts of anesthesiologists 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. Robert C. Semidey billed Medicare for 58 services in 2023
CMS data shows 58 Medicare services from Dr. Semidey across 3 procedure codes in 2023. Medicare paid $7,182 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Semidey's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 1062023: 3468%
- Surgery
- 2022: 622023: 2461%
- Imaging
- 2022: 742023: 0100%
Dr. Semidey compared with the New York median for anesthesiologists, 2023
- Dr. Semidey
- New York median
- Medicare services
- 58vs 7624% below
Medians across 3,723 anesthesiologists in New York with Dmand AI profiles that report each measure.
Dr. Semidey's most billed Medicare procedure codes, 2023
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. Semidey and other anesthesiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert C. Semidey's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Semidey's median patient age at 62, with 47% women.
Dr. Semidey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women47%
- Men51%
Source: Dmand AI Patient Panel Data
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Dr. Robert C. Semidey received $209 in industry payments from 2019 to 2024
CMS Open Payments shows 3 general payments to Dr. Semidey from 2 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $119.
General payments to Dr. Semidey by program year, 2019 to 2024
Companies that paid Dr. Semidey the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert C. Semidey graduated from State University of New York at Buffalo School of Medicine
Dr. Semidey graduated from State University of New York at Buffalo School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert C. Semidey'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 Data |
| 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. Robert C. Semidey
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. Robert C. Semidey's NPI number?
Dr. Robert C. Semidey's NPI number is 1942696257. It was assigned on April 13, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert C. Semidey?
Dr. Robert C. Semidey is an anesthesiologist in Buffalo, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Robert C. Semidey practice?
Dr. Semidey practices at 100 High St., Buffalo, NY 14203. Dr. Semidey's primary practice is Kaleida Health - Unit in Buffalo, New York. Dmand AI also links Dr. Semidey to 1 hospital and 2 medical groups.
What is Dr. Robert C. Semidey's office phone number?
The practice phone on file for Dr. Semidey is (716) 859-2556.
What is Dr. Robert C. Semidey's medical license number?
Dr. Semidey holds New York license 296396.
Which hospitals is Dr. Robert C. Semidey affiliated with?
Dr. Semidey is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Semidey to 2 more hospitals.
What medical group is Dr. Robert C. Semidey part of?
Dr. Semidey is linked to Great Lakes Anesthesiology. Dmand AI links Dr. Semidey to 2 more medical groups.
Does Dr. Robert C. Semidey accept Medicare?
Yes. CMS data shows Dr. Semidey billed Medicare for 58 services in 2023.
What services does Dr. Robert C. Semidey bill to Medicare?
In 2023, Dr. Semidey's most billed Medicare services were surgery: brain, spine and nerves (64447), anesthesia (01402) and anesthesia (00811).
Where did Dr. Robert C. Semidey go to medical school?
Dr. Semidey graduated from State University of New York at Buffalo School of Medicine in 2015.
Has Dr. Robert C. Semidey received payments from drug or device companies?
CMS Open Payments shows $209 in general payments to Dr. Semidey from 2 companies from 2019 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Robert C. Semidey been practicing?
Dr. Semidey graduated from medical school in 2015, 11 years ago.
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