David W. Patterson, MD
Internal Medicine Physician · Washington, DC
David W. Patterson, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1821008517, issued on Aug 8, 2006. Check the license (District of Columbia MD16443, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- David W. Patterson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD16443 DC
16443 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1133 21St St NW Ste 410, Washington, DC 20036
- Phone
- (202) 785-1300
- Enumerated
- Aug 8, 2006
- Record last updated
- Jul 21, 2026
- Fax
- (202) 785-1800
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Verify David W. Patterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD16443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,413 Medicare Part D claims for 278 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium268 claims
- Amlodipine Besylate126 claims
- Rosuvastatin Calcium96 claims
- Losartan Potassium83 claims
- Hydrochlorothiazide72 claims
- Lisinopril69 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.
David W. Patterson among 901 internal medicine physician records in District of Columbia
David W. Patterson, MD 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 67% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 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
- Rhondee Baldi, M.D.Washington, DC 200361104936517
- Charles Bier, MDWashington, DC 200361982639225
- Gilbert Eisner, MDWashington, DC 200361023182722
- Robert Enelow, M.D.Washington, DC 200361336151349
- Darcy Hansen, M.D.Washington, DC 200361346243417
- Carole Horn, MDWashington, DC 200361659445351
- Karen Myers, M.D.Washington, DC 200361316006240
- Jessica Osborn, MDWashington, DC 200361073610887
Common questions
What is David W. Patterson, MD's NPI number?
David W. Patterson, MD's National Provider Identifier (NPI) is 1821008517, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David W. Patterson, MD located?
The NPPES record lists a practice address at 1133 21St St NW Ste 410, Washington, DC, 20036. Phone: (202) 785-1300. Providers update this record themselves, so call before visiting.
How can I verify David W. Patterson, MD's license?
NPPES lists District of Columbia license number MD16443, 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 David W. Patterson, MD prescribe under Medicare Part D?
In 2024, David W. Patterson, MD had 2,413 Medicare Part D claims for 278 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.