Emily Katie Lo, M.D.
Internal Medicine Physician · Washington, DC
Emily Katie Lo, M.D. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1396188538, issued on Apr 8, 2013. Check the license (District of Columbia MD044046, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Emily Katie Lo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD044046 DC
D81360 MD
0101259939 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2300 M St NW, Washington, DC 20037
- Phone
- (202) 741-2222
- Enumerated
- Apr 8, 2013
- Record last updated
- Feb 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220303001592); may accept Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 2300 M St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Emily Katie Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD044046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
126 Medicare Part D claims for 65 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Emily Katie Lo among 901 internal medicine physician records in District of Columbia
Emily Katie Lo, M.D. is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2013 · median 2008 among the 513 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- April Barbour, MDWashington, DC 200371043279052
- Benjamin Blatt, MDWashington, DC 200371578525481
- Elena Boley, MDWashington, DC 200371457310344
- Marie Borum, MDWashington, DC 200371487616397
- Ryan Bosch, MDWashington, DC 200371861451866
- Samia Burton, MDWashington, DC 200371578540662
- Letitia Carlson, MDWashington, DC 200371528021789
- Jehan El-Bayoumi, MDWashington, DC 200371588623409
Common questions
What is Emily Katie Lo, M.D.'s NPI number?
Emily Katie Lo, M.D.'s National Provider Identifier (NPI) is 1396188538, issued on Apr 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Emily Katie Lo, M.D. located?
The NPPES record lists a practice address at 2300 M St NW, Washington, DC, 20037. Phone: (202) 741-2222. Providers update this record themselves, so call before visiting.
How can I verify Emily Katie Lo, M.D.'s license?
NPPES lists District of Columbia license number MD044046, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Emily Katie Lo, M.D. prescribe under Medicare Part D?
In 2024, Emily Katie Lo, M.D. had 126 Medicare Part D claims for 65 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.