Dr. Katherine Roseanne Walter, MD
- Hospital affiliations
- 1
- Industry payments
- $113
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Walter'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. Katherine Roseanne Walter is an internist in Saint Louis, Missouri
Dr. Walter practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Walter's NPI, 1437726346, was assigned on June 9, 2021. Dr. Walter holds Missouri license 2021020841.
- NPI
- 1437726346NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931672722
- NPI enumeration date
- June 9, 2021
- NPI status
- Active
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Roseanne Walter practices at 2 locations in Saint Louis, Missouri
Dr. Walter's primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. The NPI Registry lists Dr. Walter's practice address as 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- NPI Registry address1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 205-6050
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Katherine Roseanne Walter is affiliated with 1 site of care and 2 medical groups
Dr. Walter's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Walter to 1 more 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. Katherine Roseanne Walter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walter practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish 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 Roseanne Walter is one of 2,114 internists in Missouri
Internal medicine is Dr. Walter's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Walter is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Walter
Counts of internists 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 Roseanne Walter's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Walter's median patient age at 79, with 100% women.
Dr. Walter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Katherine Roseanne Walter received $113 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Walter from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $113.
Companies that paid Dr. Walter the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Katherine Roseanne Walter'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Katherine Roseanne Walter
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 Roseanne Walter's NPI number?
Dr. Katherine Roseanne Walter's NPI number is 1437726346. It was assigned on June 9, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Roseanne Walter?
Dr. Katherine Roseanne Walter is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Katherine Roseanne Walter practice?
Dr. Walter practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Walter also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Walter's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Walter to 1 medical group.
What is Dr. Katherine Roseanne Walter's office phone number?
The practice phone on file for Dr. Walter is (314) 747-3000.
What is Dr. Katherine Roseanne Walter's medical license number?
Dr. Walter holds Missouri license 2021020841.
Which hospitals is Dr. Katherine Roseanne Walter affiliated with?
Dr. Walter practices at Barnes-Jewish Hospital in Saint Louis, Missouri.
What medical group is Dr. Katherine Roseanne Walter part of?
Dr. Walter is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Walter to 1 more medical group.
Has Dr. Katherine Roseanne Walter received payments from drug or device companies?
CMS Open Payments shows $113 in general payments to Dr. Walter from 1 company from 2023 to 2023. The largest total came from Inari Medical, Inc.
How long has Dr. Katherine Roseanne Walter been practicing?
Dr. Walter's NPI was assigned in 2021.
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