Ann Lb Williams, MD
Gastroenterology Physician · Washington, DC
Ann Lb Williams, MD is a gastroenterology physician with a practice address in Washington, District of Columbia, and NPI 1265526164, issued on Oct 3, 2006. Check the license (District of Columbia 5822, as entered in NPPES) on the District of Columbia Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ann Lb Williams
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 5822 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1145 19TH St NW, Washington, DC 20036
- Phone
- (202) 466-4619
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (202) 466-5773
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 89 in District of Columbia → Look up another NPI →
Also registered at 1145 19TH St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Abraham, MDObstetrics & Gynecology Physician1003963554
- Stephen Barsky, DDSDentist1043227937
- Amy Bender, MS, FNP-BCNurse Practitioner1780087692
- Kathryn Blanchette, WHNP-BCWomen's Health Nurse Practitioner1306384169
- Pamela Brady, DDSGeneral Practice Dentistry1760508782
- Cary Chavis, DDSGeneral Practice Dentistry1952462970
Verify Ann Lb Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license 5822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ann Lb Williams among 89 gastroenterology physician records in District of Columbia
Ann Lb Williams, MD is one of 89 gastroenterology physician records with a practice address in District of Columbia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 49% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X 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).
Gastroenterology Physician providers in District of Columbia
There are 89 gastroenterology physician records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 89 in District of Columbia → Every provider in Washington → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- James Frank, M.D.Washington, DC 200361356326524
- William Park, MDWashington, DC 200361710446026
- Bedoor AlabbasWashington, DC 200371952751182
- Philip Assatourians, M.D.Washington, DC 200371104912617
- Paul Chang, MDWashington, DC 200371265492409
- Hemanth Gavini, MDWashington, DC 200371073522504
- Raymond JanowskiWashington, DC 200371477972131
- Antoinette Saddler, MDWashington, DC 200371437105533
Common questions
What is Ann Lb Williams, MD's NPI number?
Ann Lb Williams, MD's National Provider Identifier (NPI) is 1265526164, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Lb Williams, MD located?
The NPPES record lists a practice address at 1145 19TH St NW, Washington, DC, 20036. Phone: (202) 466-4619. Providers update this record themselves, so call before visiting.
How can I verify Ann Lb Williams, MD's license?
NPPES lists District of Columbia license number 5822, 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. 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.