Dr. Katherine Mariko Markin, MD
- Part D claims, 2024
- 32
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 900 23rd St NW, Washington, DC 20037
- Practice phone
- Call (202) 716-4605
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Markin'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 Mariko Markin is an emergency medicine physician in Washington, District of Columbia
Dr. Markin practices at The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.
Dr. Markin's NPI, 1851033237, was assigned on April 7, 2022. Dr. Markin holds New York license 342730.
- NPI
- 1851033237NPI Registry (opens in a new tab)
- NPI enumeration date
- April 7, 2022
- NPI status
- Active
- Practice phone
- (202) 716-4605
- 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
Dr. Katherine Mariko Markin practices at The George Washington University Hospital in Washington, District of Columbia
Dr. Markin's primary practice is The George Washington University Hospital, at 900 23rd St NW, Washington, DC 20037 in The District County. The practice phone is (202) 716-4605.
- The George Washington University Hospital900 23rd St NW, Washington, DC 20037 · The District CountyPhone(202) 716-4605
Source: Dmand AI Affiliation Data
Dr. Katherine Mariko Markin is affiliated with 1 site of care
Dr. Markin's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine Mariko Markin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The George Washington University Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Mariko Markin is one of 233 emergency medicine physicians in District of Columbia
Emergency medicine is Dr. Markin's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Markin is licensed in New York.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
Emergency medicine physicians near Dr. Markin
Counts of emergency medicine physicians 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 Mariko Markin's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Markin's median patient age at 55, with 52% women.
Dr. Markin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women52%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Katherine Mariko Markin wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Markin wrote 32 Medicare Part D claims for 27 patients. 94% of them were for generic drugs.
Dr. Markin's Part D claims by kind of drug, 2024
- Generic30 claims94%
- Brand-name and other2 claims6%
Drug classes CMS tracks in Dr. Markin's Part D claims, 2024
- Antibiotics53%17 of 32 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Dr. Katherine Mariko Markin'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Mariko Markin
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 Mariko Markin's NPI number?
Dr. Katherine Mariko Markin's NPI number is 1851033237. It was assigned on April 7, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Mariko Markin?
Dr. Katherine Mariko Markin is an emergency medicine physician in Washington, District of Columbia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Katherine Mariko Markin practice?
Dr. Markin practices at 900 23rd St NW, Washington, DC 20037. Dr. Markin's primary practice is The George Washington University Hospital in Washington, District of Columbia, part of Universal Health Services.
What is Dr. Katherine Mariko Markin's office phone number?
The practice phone on file for Dr. Markin is (202) 716-4605.
What is Dr. Katherine Mariko Markin's medical license number?
Dr. Markin holds New York license 342730.
Which hospitals is Dr. Katherine Mariko Markin affiliated with?
Dr. Markin practices at The George Washington University Hospital in Washington, District of Columbia.
How long has Dr. Katherine Mariko Markin been practicing?
Dr. Markin's NPI was assigned in 2022.
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