NPPES file of Aug 9, 2026

William Will Kuenstner

Endocrinology, Diabetes & Metabolism Physician · Washington, DC

William Will Kuenstner is an endocrinology, diabetes & metabolism physician with a practice address in Washington, District of Columbia, and NPI 1225615123, issued on Mar 26, 2021. Check the license (District of Columbia MD500003333, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225615123
Name
William Will Kuenstner
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
MD500003333 DC
Self-reported in NPPES; status is on the state search
Practice location
3800 Reservoir RD NW, Washington, DC 20007
Phone
(202) 687-2818
Enumerated
Mar 26, 2021
Record last updated
Jun 10, 2026
Fax
(877) 485-1479
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 3800 Reservoir RD NW

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

  1. Miriam Abadie, M.D.Student in an Organized Health Care Education/Training Program1194168120
  2. Kathleen AbalosInternal Medicine Physician1831451764
  3. Fuad AbbasStudent in an Organized Health Care Education/Training Program1467256834
  4. Valiollah AbbassiPediatric Endocrinology Physician1073511275
  5. Ahmed AbdelfatahStudent in an Organized Health Care Education/Training Program1326918269
  6. Zeinab Abdi, M.D.Pediatrics Physician1861781437

Verify William Will Kuenstner 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 MD500003333
    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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86% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

375 Medicare Part D claims for 112 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. William Kuenstner375
  2. Specialty average2,630

Most prescribed

  1. Ozempic41 claims
  2. Atorvastatin Calcium26 claims
  3. Amlodipine Besylate21 claims
  4. Levothyroxine Sodium20 claims
  5. Jardiance16 claims
  6. Trulicity15 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.

William Will Kuenstner among 61 endocrinology, diabetes & metabolism physician records in District of Columbia

William Will Kuenstner 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 2021, is newer than 98% of them.

  • NPI issued2021 · 98% of these records are older, 0% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% of these records are
  • Record last updated2026 · 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.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Julianna Barsony, M.D.Washington, DC 200071427297233
  2. Ioana Fat, MDWashington, DC 200071205082724
  3. Natasa Janicic-KahricWashington, DC 200071306845748
  4. Jacqueline JonklaasWashington, DC 200071285633636
  5. Joseph VerbalisWashington, DC 200071194724047
  6. Monica Skarulis, M.D.Washington, DC 200081891067138
  7. Teresa Jones, MDWashington, DC 200091114035177
  8. Kenneth Burman, MDWashington, DC 200101790734630

Common questions

What is William Will Kuenstner's NPI number?

William Will Kuenstner's National Provider Identifier (NPI) is 1225615123, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is William Will Kuenstner located?

The NPPES record lists a practice address at 3800 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 687-2818. Providers update this record themselves, so call before visiting.

How can I verify William Will Kuenstner's license?

NPPES lists District of Columbia license number MD500003333, 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 William Will Kuenstner prescribe under Medicare Part D?

In 2024, William Will Kuenstner had 375 Medicare Part D claims for 112 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.