James John Lettenberger, M.D.
Psychiatry Physician · Washington, DC
James John Lettenberger, M.D. is a psychiatry physician with a practice address in Washington, District of Columbia, and NPI 1639297856, issued on Mar 26, 2007. Check the license (District of Columbia MD22026, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- James John Lettenberger
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD22026 DC
Self-reported in NPPES; status is on the state search - Practice location
- 2440 M St NW, Washington, DC 20037
- Phone
- (202) 862-8422
- Enumerated
- Mar 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (202) 862-8522
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 474 in District of Columbia → Look up another NPI →
Also registered at 2440 M St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rafat Abbasi, M.D.Specialist1114004496
- Iman Abdel Mohsen Khalil, MDGeneral Practice Physician1982233763
- Kianoush Alem, D.M.D., M.S.Dentist1669823027
- Bruce Ames, MDGynecology Physician1912927898
- Paula Atkinson, LICSW, E-RYT 500Clinical Social Worker1952767600
- Becky Bailey, PH.D.Psychologist1891848495
Verify James John Lettenberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD22026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average psychiatry physician in 2024
201 Medicare Part D claims for 23 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Clonazepam20 claims
- Escitalopram Oxalate20 claims
- Bupropion Xl16 claims
- Zolpidem Tartrate15 claims
- Lamotrigine12 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.
James John Lettenberger among 474 psychiatry physician records in District of Columbia
James John Lettenberger, M.D. is one of 474 psychiatry physician records with a practice address in District of Columbia. 58% 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 25% of them.
- NPI issued2007 · 25% of these records are older, 53% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · 26% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X 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).
467 psychiatry physician records list a practice address in Washington
They are 467 of the 45,857 NPPES records with a practice address in Washington, and 474 psychiatry physician records in District of Columbia.
All 474 in District of Columbia → Every provider in Washington → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jeffrey Akman, MDWashington, DC 200371811961691
- Benedicto Borja, M.D.Washington, DC 200371891716940
- Morris Chalick, M.D.Washington, DC 200371114949633
- Todd Cox, M.D.Washington, DC 200371770683369
- Sinan Duzyurek, M.D.Washington, DC 200371730198201
- Natalia Eisenberg, MDWashington, DC 200371790742419
- Lynne Gaby, MDWashington, DC 200371902870777
- Katina Hatten, MDWashington, DC 200371437210895
Common questions
What is James John Lettenberger, M.D.'s NPI number?
James John Lettenberger, M.D.'s National Provider Identifier (NPI) is 1639297856, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James John Lettenberger, M.D. located?
The NPPES record lists a practice address at 2440 M St NW, Washington, DC, 20037. Phone: (202) 862-8422. Providers update this record themselves, so call before visiting.
How can I verify James John Lettenberger, M.D.'s license?
NPPES lists District of Columbia license number MD22026, 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 James John Lettenberger, M.D. prescribe under Medicare Part D?
In 2024, James John Lettenberger, M.D. had 201 Medicare Part D claims for 23 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.