Dr. Katherine A. Sundstrom, MD
- Medicare services, 2023
- 57
- Part D claims, 2024
- 148
- Industry payments
- $2,439
- Medical groups
- 2
- State licenses
- 3
- Practice address
- 24 Hospital Ave, Danbury, CT 06810
- Practice phone
- Call (203) 739-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Danbury Hospital
Danbury, Connecticut
Find Dr. Sundstrom's professional email, personal email and mobile number
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Dr. Katherine A. Sundstrom is a psychiatrist in Danbury, Connecticut
Dr. Sundstrom practices at Danbury Hospital in Danbury, Connecticut.
Dr. Sundstrom's NPI, 1316149222, was assigned on June 3, 2007. Dr. Sundstrom graduated from University of Mississippi School of Medicine in 1977. Dr. Sundstrom holds Connecticut license 47087.
- NPI
- 1316149222NPI Registry (opens in a new tab)
- NPI enumeration date
- June 3, 2007
- NPI status
- Active
- Practice phone
- (203) 739-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Katherine A. Sundstrom practices at Danbury Hospital in Danbury, Connecticut
Dr. Sundstrom's primary practice is Danbury Hospital, at 24 Hospital Ave, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 739-7000.
- Danbury Hospital24 Hospital Ave, Danbury, CT 06810 · Western Ct CountyPhone(203) 739-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katherine A. Sundstrom is affiliated with 1 site of care and 2 medical groups
Dr. Sundstrom's primary practice is Danbury Hospital in Danbury, Connecticut. The medical group on file is Connecticut Valley Hospital. Dmand AI also links Dr. Sundstrom to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katherine A. Sundstrom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sundstrom practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Danbury 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. Katherine A. Sundstrom is one of 828 psychiatrists in Connecticut
Psychiatry is Dr. Sundstrom's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. Sundstrom's licenses on file in 3 states: Connecticut, Mississippi and New York.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
- Mississippi license
- Child and adolescent psychiatry, New York
Psychiatrists near Dr. Sundstrom
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. Katherine A. Sundstrom billed Medicare for 57 services in 2023
CMS data shows 57 Medicare services from Dr. Sundstrom across 1 procedure code in 2023, all of them office visits. Medicare paid $4,337 for them. Every service was in an office.
Dr. Sundstrom's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1322023: 5757%
Dr. Sundstrom compared with the Connecticut median for psychiatrists, 2023
- Dr. Sundstrom
- Connecticut median
- Medicare services
- 57vs 11149% below
- Part D claims
- 47vs 14267% below
Medians across 886 psychiatrists in Connecticut with Dmand AI profiles that report each measure.
Dr. Sundstrom'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. Sundstrom and other psychiatrists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine A. Sundstrom's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Dr. Sundstrom's median patient age at 39, with 0% women.
Dr. Sundstrom's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Katherine A. Sundstrom wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Sundstrom wrote 148 Medicare Part D claims for 39 patients. 87% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $377 in total drug cost. In 2023, CMS named 1,107 claims across 41 drugs.
Dr. Sundstrom's Part D claims by kind of drug, 2024
- Generic129 claims87%
- Brand-name19 claims13%
Dr. Sundstrom'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. Sundstrom's Part D claims, 2024
- Antipsychotics, patients 65 and over15%22 of 148 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: 1,1072024: 4796%
Drugs named by CMS: 3 in 2024, 41 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. Katherine A. Sundstrom received $2,439 in industry payments from 2016 to 2025
CMS Open Payments shows 63 general payments to Dr. Sundstrom from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $989.
General payments to Dr. Sundstrom by program year, 2016 to 2025
General payments to Dr. Sundstrom by kind, 2016 to 2025
- Food and beverage$2,436100%
- Education$30%
Companies that paid Dr. Sundstrom the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine A. Sundstrom graduated from University of Mississippi School of Medicine
Dr. Sundstrom graduated from University of Mississippi School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine A. Sundstrom'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 |
| 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. Katherine A. Sundstrom
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. Katherine A. Sundstrom's NPI number?
Dr. Katherine A. Sundstrom's NPI number is 1316149222. It was assigned on June 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine A. Sundstrom?
Dr. Katherine A. Sundstrom is a psychiatrist in Danbury, Connecticut. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Katherine A. Sundstrom practice?
Dr. Sundstrom practices at 24 Hospital Ave, Danbury, CT 06810. Dr. Sundstrom's primary practice is Danbury Hospital in Danbury, Connecticut. Dmand AI also links Dr. Sundstrom to 1 medical group.
What is Dr. Katherine A. Sundstrom's office phone number?
The practice phone on file for Dr. Sundstrom is (203) 739-7000.
What is Dr. Katherine A. Sundstrom's medical license number?
Dr. Sundstrom holds Connecticut license 47087, one of the licenses on file in 3 states.
Which states has Dr. Katherine A. Sundstrom been licensed in?
Dmand AI has state licenses on file for Dr. Sundstrom in Connecticut, Mississippi and New York.
What medical group is Dr. Katherine A. Sundstrom part of?
Dr. Sundstrom is linked to Connecticut Valley Hospital. Dmand AI links Dr. Sundstrom to 1 more medical group.
Does Dr. Katherine A. Sundstrom accept Medicare?
Yes. CMS data shows Dr. Sundstrom billed Medicare for 57 services in 2023.
What services does Dr. Katherine A. Sundstrom bill to Medicare?
In 2023, Dr. Sundstrom's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Katherine A. Sundstrom go to medical school?
Dr. Sundstrom graduated from University of Mississippi School of Medicine in 1977.
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What drugs does Dr. Katherine A. Sundstrom prescribe most?
In 2024 Medicare Part D data, Dr. Sundstrom's most prescribed drugs by claims were Risperidone, Benztropine Mesylate and Quetiapine Fumarate.
Has Dr. Katherine A. Sundstrom received payments from drug or device companies?
CMS Open Payments shows $2,439 in general payments to Dr. Sundstrom from 11 companies from 2016 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Katherine A. Sundstrom been practicing?
Dr. Sundstrom graduated from medical school in 1977, 49 years ago.
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