Dr. Thomas G. Gratzer, MD
- Medicare services, 2023
- 228
- Part D claims, 2024
- 26
- Hospital affiliations
- 1
- Industry payments
- $250
- Medical groups
- 3
- Practice address
- 333 North Smith Avenue, Saint Paul, MN 55102
- Practice phone
- Call (763) 236-8205
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gratzer'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. Thomas G. Gratzer is a psychiatrist in Saint Paul, Minnesota
Dr. Gratzer practices at United Hospital in Saint Paul, Minnesota, part of Sutter Health.
Dr. Gratzer's NPI, 1871566331, was assigned on February 7, 2006. Dr. Gratzer holds Minnesota license 37982.
- NPI
- 1871566331NPI Registry (opens in a new tab)
- NPI enumeration date
- February 7, 2006
- NPI status
- Active
- Practice phone
- (763) 236-8205
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Thomas G. Gratzer practices at United Hospital in Saint Paul, Minnesota
Dr. Gratzer's primary practice is United Hospital, at 333 North Smith Avenue, Saint Paul, MN 55102 in Ramsey County. The practice phone is (763) 236-8205.
- United Hospital333 North Smith Avenue, Saint Paul, MN 55102 · Ramsey CountyPhone(763) 236-8205
Source: Dmand AI Affiliation Data
Dr. Thomas G. Gratzer is affiliated with 3 sites of care and 3 medical groups
Dr. Gratzer's primary practice is United Hospital in Saint Paul, Minnesota, part of Sutter Health. The medical group on file is HealthPartners. Dmand AI also links Dr. Gratzer to 2 more medical groups, 1 group practice or clinic and 1 urgent care center, 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. Thomas G. Gratzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gratzer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| United Hospital | 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. Thomas G. Gratzer is one of 742 psychiatrists in Minnesota
Psychiatry is Dr. Gratzer's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Gratzer is licensed in Minnesota.
Specialties and state licenses
- Psychiatry, MinnesotaPrimary
Psychiatrists near Dr. Gratzer
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. Thomas G. Gratzer billed Medicare for 228 services in 2023
CMS data shows 228 Medicare services from Dr. Gratzer across 1 procedure code in 2023, all of them office visits. Medicare paid $12,622 for them. Every service was in an office.
Dr. Gratzer's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 5632023: 22860%
Dr. Gratzer compared with the Minnesota median for psychiatrists, 2023
- Dr. Gratzer
- Minnesota median
- Medicare services
- 228vs 16043% above
- Part D claims
- 2,115vs 15014.1 times
Medians across 752 psychiatrists in Minnesota with Dmand AI profiles that report each measure.
Dr. Gratzer'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. Gratzer and other psychiatrists in Minnesota.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas G. Gratzer's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Gratzer's median patient age at 54, with 100% women.
Dr. Gratzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Thomas G. Gratzer wrote 26 Medicare Part D claims in 2024
In 2024, Dr. Gratzer wrote 26 Medicare Part D claims for 20 patients. 100% of them were for generic drugs. They cover 37 drugs, with $68,792 in total drug cost. In 2022, CMS named 3,597 claims across 48 drugs.
Dr. Gratzer's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3,5972023: 2,11541%
Drugs named by CMS: 37 in 2023, 48 in 2022.
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. Thomas G. Gratzer received $250 in industry payments from 2018 to 2022
CMS Open Payments shows 19 general payments to Dr. Gratzer from 12 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $38.
General payments to Dr. Gratzer by program year, 2018 to 2022
Companies that paid Dr. Gratzer the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas G. Gratzer'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) |
| 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. Thomas G. Gratzer
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. Thomas G. Gratzer's NPI number?
Dr. Thomas G. Gratzer's NPI number is 1871566331. It was assigned on February 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas G. Gratzer?
Dr. Thomas G. Gratzer is a psychiatrist in Saint Paul, Minnesota. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Thomas G. Gratzer practice?
Dr. Gratzer practices at 333 North Smith Avenue, Saint Paul, MN 55102. Dr. Gratzer's primary practice is United Hospital in Saint Paul, Minnesota, part of Sutter Health. Dmand AI also links Dr. Gratzer to 2 medical groups, 1 group practice or clinic and 1 urgent care center.
What is Dr. Thomas G. Gratzer's office phone number?
The practice phone on file for Dr. Gratzer is (763) 236-8205.
What is Dr. Thomas G. Gratzer's medical license number?
Dr. Gratzer holds Minnesota license 37982.
Which hospitals is Dr. Thomas G. Gratzer affiliated with?
Dr. Gratzer practices at United Hospital in Saint Paul, Minnesota.
What medical group is Dr. Thomas G. Gratzer part of?
Dr. Gratzer is linked to HealthPartners. Dmand AI links Dr. Gratzer to 2 more medical groups.
Does Dr. Thomas G. Gratzer accept Medicare?
Yes. CMS data shows Dr. Gratzer billed Medicare for 228 services in 2023.
What services does Dr. Thomas G. Gratzer bill to Medicare?
In 2023, Dr. Gratzer's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Thomas G. Gratzer prescribe most?
In 2023 Medicare Part D data, Dr. Gratzer's most prescribed drugs by claims were Escitalopram Oxalate, Alprazolam and Quetiapine Fumarate.
Has Dr. Thomas G. Gratzer received payments from drug or device companies?
CMS Open Payments shows $250 in general payments to Dr. Gratzer from 12 companies from 2018 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Thomas G. Gratzer been practicing?
Dr. Gratzer graduated from medical school in 1989, 37 years ago.
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