NPPES file of Aug 9, 2026

Diane Sim, M.D.

Anesthesiology Physician · Washington, DC

Diane Sim, M.D. is an anesthesiology physician with a practice address in Washington, District of Columbia, and NPI 1295821841, issued on Oct 4, 2006. Check the license (District of Columbia MD13082, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1295821841
Name
Diane Sim
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MD13082 DC
Self-reported in NPPES; status is on the state search
Practice location
1145 - 19TH Street, NW, Washington, DC 20036
Phone
(202) 223-9040
Enumerated
Oct 4, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(202) 223-9047
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 1145 - 19TH Street, NW

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

  1. Kyung Ahn, M.D.Anesthesiology Physician1689768327
  2. William Heron, M.D.Anesthesiology Physician1720174097

Verify Diane Sim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD13082
    Check 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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Diane Sim among 317 anesthesiology physician records in District of Columbia

Diane Sim, M.D. is one of 317 anesthesiology physician records with a practice address in District of Columbia. 74% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 51% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X 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).

Anesthesiology Physician providers in District of Columbia

There are 317 anesthesiology physician records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Kyung Ahn, M.D.Washington, DC 200361689768327
  2. Purita Gonzales, M.D.Washington, DC 200361770679383
  3. William Heron, M.D.Washington, DC 200361720174097
  4. Stephen Luck, MDWashington Dc, DC 200361386634830
  5. Jeffrey Berger, M.D., M.B.A.Washington, DC 200371881684090
  6. Wendell Boulware, MDWashington, DC 200371336111392
  7. Paul Dangerfield, MDWashington, DC 200371568430940
  8. Ronald Guritzky, MDWashington, DC 200371164490546

Common questions

What is Diane Sim, M.D.'s NPI number?

Diane Sim, M.D.'s National Provider Identifier (NPI) is 1295821841, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diane Sim, M.D. located?

The NPPES record lists a practice address at 1145 - 19TH Street, NW, Washington, DC, 20036. Phone: (202) 223-9040. Providers update this record themselves, so call before visiting.

How can I verify Diane Sim, M.D.'s license?

NPPES lists District of Columbia license number MD13082, 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.