Dr. Terrence J. Gaynor, MD
- Medicare services, 2023
- 69
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 791 E Summit Ave, Oconomowoc, WI 53066
- Practice phone
- Call (262) 569-9400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gaynor's professional email, personal email and mobile number
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Dr. Terrence J. Gaynor is an anesthesiologist in Milwaukee, Wisconsin
Dr. Gaynor practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care.
Dr. Gaynor's NPI, 1114066719, was assigned on February 6, 2007. Dr. Gaynor holds Wisconsin license 26969-020.
- NPI
- 1114066719NPI Registry (opens in a new tab)
- NPI enumeration date
- February 6, 2007
- NPI status
- Active
- Practice phone
- (262) 569-9400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Terrence J. Gaynor practices in Oconomowoc and Milwaukee
Dr. Gaynor's primary practice is ProHealth Oconomowoc Memorial Hospital, at 791 E Summit Ave, Oconomowoc, WI 53066 in Waukesha County. The practice phone is (262) 569-9400. The NPI Registry lists Dr. Gaynor's practice address as 2356 S 102nd St, Milwaukee, WI 53227.
- ProHealth Oconomowoc Memorial HospitalPrimary791 E Summit Ave, Oconomowoc, WI 53066 · Waukesha CountyPhone(262) 569-9400
- NPI Registry address2356 S 102nd St, Milwaukee, WI 53227 · Milwaukee CountyPhone(262) 569-9400
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Terrence J. Gaynor is affiliated with 1 site of care and 1 medical group
Dr. Gaynor's primary practice is ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care. Dmand AI also links Dr. Gaynor to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Terrence J. Gaynor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gaynor practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ProHealth Oconomowoc Memorial Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Terrence J. Gaynor is one of 1,001 anesthesiologists in Wisconsin
Anesthesiology is Dr. Gaynor's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Gaynor is licensed in Wisconsin.
Specialties and state licenses
- Anesthesiology, WisconsinPrimary
Anesthesiologists near Dr. Gaynor
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. Terrence J. Gaynor billed Medicare for 69 services in 2023
CMS data shows 69 Medicare services from Dr. Gaynor across 1 procedure code in 2023. Medicare paid $5,782 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gaynor's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 1352023: 6949%
Dr. Gaynor compared with the Wisconsin median for anesthesiologists, 2023
- Dr. Gaynor
- Wisconsin median
- Medicare services
- 69vs 4844% above
Medians across 995 anesthesiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Gaynor'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. Gaynor and other anesthesiologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Sources for Dr. Terrence J. Gaynor'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 |
| 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. Terrence J. Gaynor
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. Terrence J. Gaynor's NPI number?
Dr. Terrence J. Gaynor's NPI number is 1114066719. It was assigned on February 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Terrence J. Gaynor?
Dr. Terrence J. Gaynor is an anesthesiologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Terrence J. Gaynor practice?
Dr. Gaynor practices at 791 E Summit Ave, Oconomowoc, WI 53066. Dr. Gaynor also practices at 2356 S 102nd St, Milwaukee, WI 53227. Dr. Gaynor's primary practice is ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care. Dmand AI also links Dr. Gaynor to 1 medical group.
What is Dr. Terrence J. Gaynor's office phone number?
The practice phone on file for Dr. Gaynor is (262) 569-9400.
What is Dr. Terrence J. Gaynor's medical license number?
Dr. Gaynor holds Wisconsin license 26969-020.
Which hospitals is Dr. Terrence J. Gaynor affiliated with?
Dr. Gaynor practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin.
Does Dr. Terrence J. Gaynor accept Medicare?
Yes. CMS data shows Dr. Gaynor billed Medicare for 69 services in 2023.
What services does Dr. Terrence J. Gaynor bill to Medicare?
In 2023, Dr. Gaynor's most billed Medicare services were anesthesia (00142).
How long has Dr. Terrence J. Gaynor been practicing?
Dr. Gaynor's NPI was assigned in 2007.
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