NPPES file of Aug 9, 2026

Timothy Richard Koch, M.D.

Gastroenterology Physician · Washington, DC

Timothy Richard Koch, M.D. is a gastroenterology physician with a practice address in Washington, District of Columbia, and NPI 1104801729, issued on Dec 7, 2005. Check the license on the District of Columbia Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104801729
Name
Timothy Richard Koch
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
0101242696 VA
Self-reported in NPPES; status is on the state search
Practice location
106 Irving St NW Ste 301, Washington, DC 20010
Phone
(202) 877-7788
Enumerated
Dec 7, 2005
Record last updated
Nov 6, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(877) 680-8198
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 106 Irving St NW Ste 301

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Deena Babu, P.A.Physician Assistant1326407784

Verify Timothy Richard Koch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the District of Columbia license search

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Timothy Richard Koch among 89 gastroenterology physician records in District of Columbia

Timothy Richard Koch, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2018 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Ghassan Alzayer, MDWashington, DC 200101396144804
  2. Nikiya Asamoah-Clark, M.D.Washington, DC 200101336464478
  3. Roshan Bashir, M.D.Washington, DC 200101104838515
  4. Michele Fischer, MDWashington, DC 200101063975118
  5. Lauren George, M.D.Washington, DC 200101023384948
  6. Michael Gold, MDWashington, DC 200101710938253
  7. Javad Khalilzadeh, MDWashington, DC 200101376528026
  8. Susan Laessig, MDWashington, DC 200101073525465

Common questions

What is Timothy Richard Koch, M.D.'s NPI number?

Timothy Richard Koch, M.D.'s National Provider Identifier (NPI) is 1104801729, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Richard Koch, M.D. located?

The NPPES record lists a practice address at 106 Irving St NW Ste 301, Washington, DC, 20010. Phone: (202) 877-7788. Providers update this record themselves, so call before visiting.

How can I verify Timothy Richard Koch, 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.

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.