Timothy Shannon Harlan, M.D.
Internal Medicine Physician · Washington, DC
Timothy Shannon Harlan, M.D. is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1962569657, issued on Jan 2, 2007. Check the license on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Timothy Shannon Harlan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- LA 201361 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Pennsylvania Avenue, NW, Washington, DC 20037
- Phone
- (202) 741-2222
- Enumerated
- Jan 2, 2007
- Record last updated
- Oct 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 5837294 VA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at 2150 Pennsylvania Avenue, NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy Shannon Harlan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,378 Medicare Part D claims for 114 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium118 claims
- Amlodipine Besylate104 claims
- Lisinopril57 claims
- Famotidine49 claims
- Metformin Hcl49 claims
- Trulicity39 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.
Industry payments in 2024: $98.08
1 payment: food and beverage; the largest payer was Nevro Corp. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Timothy Shannon Harlan among 901 internal medicine physician records in District of Columbia
Timothy Shannon Harlan, 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- 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 →
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- Letitia Carlson, MDWashington, DC 200371528021789
- Jehan El-Bayoumi, MDWashington, DC 200371588623409
Common questions
What is Timothy Shannon Harlan, M.D.'s NPI number?
Timothy Shannon Harlan, M.D.'s National Provider Identifier (NPI) is 1962569657, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Shannon Harlan, M.D. located?
The NPPES record lists a practice address at 2150 Pennsylvania Avenue, NW, Washington, DC, 20037. Phone: (202) 741-2222. Providers update this record themselves, so call before visiting.
How can I verify Timothy Shannon Harlan, M.D.'s license?
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 Timothy Shannon Harlan, M.D. prescribe under Medicare Part D?
In 2024, Timothy Shannon Harlan, M.D. had 1,378 Medicare Part D claims for 114 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.