Dr. Ronald Thesee, MD
- Medicare services, 2022
- 296
- Part D claims, 2024
- 1,032
- Hospital affiliations
- 2
- Industry payments
- $213
- Medical group
- 1
- Practice address
- 101 Dates Drive, Ithaca, NY 14850
- Practice phone
- Call (607) 274-4401
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Ronald Thesee is a psychiatrist in Ithaca, New York
Dr. Thesee practices at Cayuga Medical Center in Ithaca, New York, part of Centralus Health.
Dr. Thesee's NPI, 1295850105, was assigned on March 20, 2007. Dr. Thesee graduated from Universidad Nordestana Faculty of Medicine in 1986. Dr. Thesee holds New York license P27342.
- NPI
- 1295850105NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2007
- NPI status
- Active
- Practice phone
- (607) 274-4401
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Ronald Thesee practices at Cayuga Medical Center in Ithaca, New York
Dr. Thesee's primary practice is Cayuga Medical Center, at 101 Dates Drive, Ithaca, NY 14850 in Tompkins County. The practice phone is (607) 274-4401.
- Cayuga Medical Center101 Dates Drive, Ithaca, NY 14850 · Tompkins CountyPhone(607) 274-4401
Source: Dmand AI Affiliation Data
Dr. Ronald Thesee is affiliated with 4 sites of care and 1 medical group
Dr. Thesee's primary practice is Cayuga Medical Center in Ithaca, New York, part of Centralus Health. The medical group on file is The Neighborhood Center. Dmand AI also links Dr. Thesee to 1 more hospital, 1 community health center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ronald Thesee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thesee practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cayuga Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ronald Thesee is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Thesee's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Thesee is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Dr. Thesee
Counts of psychiatrists 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. Ronald Thesee billed Medicare for 296 services in 2022
CMS data shows 296 Medicare services from Dr. Thesee across 3 procedure codes in 2022. Medicare paid $18,349 for them. Every service was in an office.
Dr. Thesee's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 3402022: 29613%
- Office and hospital visits
- 2021: 522022: 0100%
Dr. Thesee compared with the New York median for psychiatrists, 2022
- Dr. Thesee
- New York median
- Medicare services
- 296vs 1422.1 times
- Part D claims
- 759vs 1246.1 times
Medians across 5,024 psychiatrists in New York with Dmand AI profiles that report each measure.
Dr. Thesee's most billed Medicare procedure codes, 2022
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. Thesee and other psychiatrists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ronald Thesee's patients have a median age of 27
Across all payers, Dmand AI patient panel data puts Dr. Thesee's median patient age at 27, with 0% women.
Dr. Thesee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 27
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Ronald Thesee wrote 1,032 Medicare Part D claims in 2024
In 2024, Dr. Thesee wrote 1,032 Medicare Part D claims for 143 patients. 90% of them were for generic drugs. CMS names the drug for 759 of them, across 30 drugs with 11 or more claims each, at $173,182 in total drug cost. In 2023, CMS named 329 claims across 17 drugs.
Dr. Thesee's Part D claims by kind of drug, 2024
- Generic933 claims90%
- Brand-name99 claims10%
Dr. Thesee'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. Thesee's Part D claims, 2024
- Antipsychotics, patients 65 and over7%74 of 1,032 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: 3292024: 759131%
Drugs named by CMS: 30 in 2024, 17 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
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Dr. Ronald Thesee received $213 in industry payments from 2016 to 2022
CMS Open Payments shows 11 general payments to Dr. Thesee from 1 drug or device company from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $213.
General payments to Dr. Thesee by program year, 2016 to 2022
Companies that paid Dr. Thesee the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ronald Thesee graduated from Universidad Nordestana Faculty of Medicine
Dr. Thesee graduated from Universidad Nordestana Faculty of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald Thesee'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 Data |
| 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) |
| 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. Ronald Thesee
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. Ronald Thesee's NPI number?
Dr. Ronald Thesee's NPI number is 1295850105. It was assigned on March 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald Thesee?
Dr. Ronald Thesee is a psychiatrist in Ithaca, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ronald Thesee practice?
Dr. Thesee practices at 101 Dates Drive, Ithaca, NY 14850. Dr. Thesee's primary practice is Cayuga Medical Center in Ithaca, New York, part of Centralus Health. Dmand AI also links Dr. Thesee to 1 hospital, 1 community health center and 1 group practice or clinic.
What is Dr. Ronald Thesee's office phone number?
The practice phone on file for Dr. Thesee is (607) 274-4401.
What is Dr. Ronald Thesee's medical license number?
Dr. Thesee holds New York license P27342.
Which hospitals is Dr. Ronald Thesee affiliated with?
Dr. Thesee practices at Cayuga Medical Center in Ithaca, New York. Dmand AI links Dr. Thesee to 1 more hospital.
What medical group is Dr. Ronald Thesee part of?
Dr. Thesee is linked to The Neighborhood Center.
Does Dr. Ronald Thesee accept Medicare?
Yes. CMS data shows Dr. Thesee billed Medicare for 296 services in 2022.
What services does Dr. Ronald Thesee bill to Medicare?
In 2022, Dr. Thesee's most billed Medicare services were psychiatric service (90834), psychiatric service (90832) and psychiatric service (90791).
Where did Dr. Ronald Thesee go to medical school?
Dr. Thesee graduated from Universidad Nordestana Faculty of Medicine in 1986.
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What drugs does Dr. Ronald Thesee prescribe most?
In 2024 Medicare Part D data, Dr. Thesee's most prescribed drugs by claims were Lorazepam, Invega Sustenna and Olanzapine.
Has Dr. Ronald Thesee received payments from drug or device companies?
CMS Open Payments shows $213 in general payments to Dr. Thesee from 1 company from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Ronald Thesee been practicing?
Dr. Thesee graduated from medical school in 1986, 40 years ago.
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