Dr. Nathaniel D. Bayer, MD
- Hospital affiliations
- 1
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2015
- Practice address
- 411 Canisteo Street, Hornell, NY 14843
- Practice phone
- Call (607) 324-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bayer'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. Nathaniel D. Bayer is a hospitalist in Hornell, New York
Dr. Bayer practices at St. James Hospital in Hornell, New York, part of University of Rochester Medical Center.
Dr. Bayer's NPI, 1508246265, was assigned on June 8, 2015. Dr. Bayer graduated from University of Rochester School of Medicine and Dentistry in 2015. Dr. Bayer holds New York license 292895.
- NPI
- 1508246265NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2015
- NPI status
- Active
- Practice phone
- (607) 324-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nathaniel D. Bayer practices at St. James Hospital in Hornell, New York
Dr. Bayer's primary practice is St. James Hospital, at 411 Canisteo Street, Hornell, NY 14843 in Steuben County. The practice phone is (607) 324-8000.
- St. James Hospital411 Canisteo Street, Hornell, NY 14843 · Steuben CountyPhone(607) 324-8000
Source: Dmand AI Affiliation Data
Dr. Nathaniel D. Bayer is affiliated with 1 site of care and 2 medical groups
Dr. Bayer's primary practice is St. James Hospital in Hornell, New York, part of University of Rochester Medical Center. The medical group on file is University of Rochester Medical Faculty Group (URMFG). Dmand AI also links Dr. Bayer to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nathaniel D. Bayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bayer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. James Hospital | Available with a free account |
| +1 medical group | 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 University of Rochester Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nathaniel D. Bayer is one of 1,796 hospitalists in New York
Hospitalist is Dr. Bayer's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dmand AI has Dr. Bayer's licenses on file in 2 states: New York and Pennsylvania.
Specialties and state licenses
- Hospitalist, New YorkPrimary
- Pediatrics, Pennsylvania
Hospitalists near Dr. Bayer
Counts of hospitalists 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. Nathaniel D. Bayer's patients have a median age of 6
Across all payers, Dmand AI patient panel data puts Dr. Bayer's median patient age at 6, with 45% women.
Dr. Bayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 6
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Nathaniel D. Bayer graduated from University of Rochester School of Medicine and Dentistry
Dr. Bayer graduated from University of Rochester School of Medicine and Dentistry in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathaniel D. Bayer'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Nathaniel D. Bayer
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. Nathaniel D. Bayer's NPI number?
Dr. Nathaniel D. Bayer's NPI number is 1508246265. It was assigned on June 8, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathaniel D. Bayer?
Dr. Nathaniel D. Bayer is a hospitalist in Hornell, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Nathaniel D. Bayer practice?
Dr. Bayer practices at 411 Canisteo Street, Hornell, NY 14843. Dr. Bayer's primary practice is St. James Hospital in Hornell, New York, part of University of Rochester Medical Center. Dmand AI also links Dr. Bayer to 1 medical group.
What is Dr. Nathaniel D. Bayer's office phone number?
The practice phone on file for Dr. Bayer is (607) 324-8000.
What is Dr. Nathaniel D. Bayer's medical license number?
Dr. Bayer holds New York license 292895, one of the licenses on file in 2 states.
Which states has Dr. Nathaniel D. Bayer been licensed in?
Dmand AI has state licenses on file for Dr. Bayer in New York and Pennsylvania.
Which hospitals is Dr. Nathaniel D. Bayer affiliated with?
Dr. Bayer practices at St. James Hospital in Hornell, New York.
What medical group is Dr. Nathaniel D. Bayer part of?
Dr. Bayer is linked to University of Rochester Medical Faculty Group (URMFG). Dmand AI links Dr. Bayer to 1 more medical group.
Where did Dr. Nathaniel D. Bayer go to medical school?
Dr. Bayer graduated from University of Rochester School of Medicine and Dentistry in 2015.
How long has Dr. Nathaniel D. Bayer been practicing?
Dr. Bayer graduated from medical school in 2015, 11 years ago.
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