Katherine D. Holtzman
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 110 Irving Street NW, Washington, DC 20010
- Practice phone
- Call (202) 877-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Katherine Holtzman'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.
Katherine D. Holtzman is a speech-language pathologist in Washington, District of Columbia
Katherine Holtzman practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Katherine Holtzman's NPI, 1124539911, was assigned on October 19, 2017.
- NPI
- 1124539911NPI Registry (opens in a new tab)
- NPI enumeration date
- October 19, 2017
- NPI status
- Active
- Practice phone
- (202) 877-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Katherine D. Holtzman practices at MedStar Washington Hospital Center in Washington, District of Columbia
Katherine Holtzman's primary practice is MedStar Washington Hospital Center, at 110 Irving Street NW, Washington, DC 20010 in The District County. The practice phone is (202) 877-7000.
- MedStar Washington Hospital Center110 Irving Street NW, Washington, DC 20010 · The District CountyPhone(202) 877-7000
Source: Dmand AI Affiliation Data
Katherine D. Holtzman is affiliated with 1 site of care
Katherine Holtzman's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katherine D. Holtzman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Holtzman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Washington Hospital Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across MedStar Health and 6.2K+ hospitals, with verified contacts in the same login.
Katherine D. Holtzman is one of 106 speech-language pathologists in District of Columbia
Speech-language pathologist is Katherine Holtzman's primary specialty in the NPI Registry, under taxonomy code 235Z00000X.
Specialties and state licenses
- Speech-language pathologistPrimary
Speech-language pathologists near Katherine Holtzman
Counts of speech-language pathologists 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
Katherine D. Holtzman's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Katherine Holtzman's median patient age at 43, with 76% women.
Katherine Holtzman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women76%
- Men24%
Source: Dmand AI Patient Panel Data
Sources for Katherine D. Holtzman'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 patients and the all-payer patient panel | Dmand AI Patient Panel 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 Katherine D. Holtzman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine D. Holtzman's NPI number?
Katherine D. Holtzman's NPI number is 1124539911. It was assigned on October 19, 2017, and it is active in the NPI Registry.
What does Katherine D. Holtzman specialize in?
Katherine D. Holtzman is a speech-language pathologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Speech-Language Pathologist (taxonomy code 235Z00000X).
Where does Katherine D. Holtzman practice?
Katherine Holtzman practices at 110 Irving Street NW, Washington, DC 20010. Katherine Holtzman's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
What is Katherine D. Holtzman's office phone number?
The practice phone on file for Katherine Holtzman is (202) 877-7000.
Which hospitals is Katherine D. Holtzman affiliated with?
Katherine Holtzman practices at MedStar Washington Hospital Center in Washington, District of Columbia.
How long has Katherine D. Holtzman been practicing?
Katherine Holtzman's NPI was assigned in 2017.
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