Robert W. Lash, MD
Endocrinology, Diabetes & Metabolism Physician · Washington, DC
Robert W. Lash, MD is an endocrinology, diabetes & metabolism physician with a practice address in Washington, District of Columbia, and NPI 1053494989, issued on Oct 23, 2006. Check the license (District of Columbia MD046176, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert W. Lash
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- MD046176 DC
4301066858 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2300 M St NW, Washington, DC 20037
- Phone
- (202) 741-2302
- Enumerated
- Oct 23, 2006
- Record last updated
- Jul 24, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 3293686 MI
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 61 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.
- Suzanne Adler, M.D.Endocrinology, Diabetes & Metabolism Physician1164607057
- Taylor AlzabenFamily Nurse Practitioner1003560434
- Gelareh Atefi, MDRheumatology Physician1700190956
- Monica Baena, NPAdult Health Nurse Practitioner1043882111
- Maikel Benitez Barzaga, MDStudent in an Organized Health Care Education/Training Program1447839329
- Tara Biagi, M.S.Genetic Counselor (M.S.)1568851376
Verify Robert W. Lash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD046176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $31.20
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Robert W. Lash among 61 endocrinology, diabetes & metabolism physician records in District of Columbia
Robert W. Lash, MD is one of 61 endocrinology, diabetes & metabolism physician records with a practice address in District of Columbia. 70% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2018 · 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 207RE0101X 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).
Endocrinology, Diabetes & Metabolism Physician providers in District of Columbia
There are 61 endocrinology, diabetes & metabolism physician records in District of Columbia.
All 61 in District of Columbia → Every provider in Washington → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jamil Addas, M.D.Washington, DC 200371831401322
- Suzanne Adler, M.D.Washington, DC 200371164607057
- Joshua Cohen, MDWashington, DC 200371750340378
- Sandeep Dhaliwal, MDWashington, DC 200371811108103
- Nadine El Asmar, M.DWashington, DC 200371649568080
- Diala El-Maouche, MD, MSWashington, DC 200371487817821
- Adline Ghazi, M.D.Washington, DC 200371609033869
- Rasha Haykal, M.D.Washington, DC 200371922455815
Common questions
What is Robert W. Lash, MD's NPI number?
Robert W. Lash, MD's National Provider Identifier (NPI) is 1053494989, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert W. Lash, MD located?
The NPPES record lists a practice address at 2300 M St NW, Washington, DC, 20037. Phone: (202) 741-2302. Providers update this record themselves, so call before visiting.
How can I verify Robert W. Lash, MD's license?
NPPES lists District of Columbia license number MD046176, 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.
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.