Katherine Tan
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2026
- Practice locations
- 2
- 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 Tan'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 Tan is an acute care nurse practitioner in Washington, District of Columbia
Katherine Tan practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Katherine Tan's NPI, 1790635159, was assigned on February 3, 2026. Katherine Tan holds District of Columbia license 2025045817.
- NPI
- 1790635159NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012484611
- NPI enumeration date
- February 3, 2026
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Tan practices at 2 locations in Washington, District of Columbia
Katherine Tan'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. The NPI Registry lists Katherine Tan's practice address as 450 K St Nw Apt 218, Washington, DC 20001.
- MedStar Washington Hospital CenterPrimary110 Irving Street NW, Washington, DC 20010 · The District CountyPhone(202) 877-7000
- NPI Registry address450 K St Nw Apt 218, Washington, DC 20001Phone(631) 357-0289
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Katherine Tan is affiliated with 1 site of care and 1 medical group
Katherine Tan's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. The medical group on file is MedStar Medical Group.
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 Katherine Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Tan 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 Tan is one of 129 acute care nurse practitioners in District of Columbia
Acute care is Katherine Tan's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Katherine Tan is licensed in District of Columbia.
Specialties and state licenses
- Acute care nurse practitioner, District of ColumbiaPrimary
Acute care nurse practitioners near Katherine Tan
Counts of acute care nurse practitioners 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
How Katherine Tan takes part in Medicare
Katherine Tan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Katherine Tan'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Katherine Tan
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 Tan's NPI number?
Katherine Tan's NPI number is 1790635159. It was assigned on February 3, 2026, and it is active in the NPI Registry.
What does Katherine Tan specialize in?
Katherine Tan is an acute care nurse practitioner in Washington, District of Columbia. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Katherine Tan practice?
Katherine Tan practices at 110 Irving Street NW, Washington, DC 20010. Katherine Tan also practices at 450 K St Nw Apt 218, Washington, DC 20001. Katherine Tan's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
What is Katherine Tan's office phone number?
The practice phone on file for Katherine Tan is (202) 877-7000.
What is Katherine Tan's medical license number?
Katherine Tan holds District of Columbia license 2025045817.
Which hospitals is Katherine Tan affiliated with?
Katherine Tan practices at MedStar Washington Hospital Center in Washington, District of Columbia.
What medical group is Katherine Tan part of?
Katherine Tan is linked to MedStar Medical Group.
Does Katherine Tan accept Medicare?
Yes. CMS lists Katherine Tan as accepting Medicare assignment.
How long has Katherine Tan been practicing?
Katherine Tan's NPI was assigned in 2026.
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