NPPES file of Aug 9, 2026

Shari B. Diamond, M.D.

Rheumatology Physician · Washington, DC

Shari B. Diamond, M.D. is a rheumatology physician with a practice address in Washington, District of Columbia, and NPI 1326165697, issued on Mar 23, 2007. Check the license (District of Columbia MD034796, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326165697
Name
Shari B. Diamond
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
MD034796 DC
D0065721 MD
Self-reported in NPPES; status is on the state search
Practice location
2021 K St NW Ste 300, Washington, DC 20006
Phone
(301) 942-7600
Enumerated
Mar 23, 2007
Record last updated
Feb 5, 2026
Fax
(202) 419-0418
Medicare enrollment
Enrolled (PECOS I20041016000024); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 2001
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2021 K St NW Ste 300

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

  1. Adey Berhanu, M.D.Rheumatology Physician1417246091
  2. Kiley Golden, PA-CPhysician Assistant1568298222
  3. Marc Phillpotts, M.D.Rheumatology Physician1518300151
  4. Lauren TidwellPhysical Therapist1114517257
  5. Angus Worthing, MDRheumatology Physician1558534925

Verify Shari B. Diamond 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 MD034796
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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56% fewer Medicare Part D claims than the average rheumatology physician in 2024

874 Medicare Part D claims for 177 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Shari Diamond874
  2. Specialty average1,978

Most prescribed

  1. Methotrexate116 claims
  2. Hydroxychloroquine Sulfate82 claims
  3. Alendronate Sodium60 claims
  4. Cyclobenzaprine Hcl56 claims
  5. Prednisone50 claims
  6. Risedronate Sodium50 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%23.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $18.73

1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shari Diamond$18.73
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Arthritis And Rheumatism Associates PCWashington, DC
  2. Suburban/nrh Medical Rehabilitation IncBethesda, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shari B. Diamond among 57 rheumatology physician records in District of Columbia

Shari B. Diamond, M.D. is one of 57 rheumatology physician records with a practice address in District of Columbia. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 46% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2001 · median 2006 among the 29 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X 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).

Rheumatology Physician providers in District of Columbia

There are 57 rheumatology physician records in District of Columbia.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Werner Barth, M.D.Washington, DC 200061659370948
  2. Adey Berhanu, M.D.Washington, DC 200061417246091
  3. David Borenstein, MDWashington, DC 200061366441727
  4. Justin Peng, MDWashington, DC 200061538328141
  5. Marc Phillpotts, M.D.Washington, DC 200061518300151
  6. Angus Worthing, MDWashington, DC 200061558534925
  7. Carol Deane Benedict, MDWashington, DC 200071356575864
  8. Thomas CuppsWashington, DC 200071336147206

Common questions

What is Shari B. Diamond, M.D.'s NPI number?

Shari B. Diamond, M.D.'s National Provider Identifier (NPI) is 1326165697, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Shari B. Diamond, M.D. located?

The NPPES record lists a practice address at 2021 K St NW Ste 300, Washington, DC, 20006. Phone: (301) 942-7600. Providers update this record themselves, so call before visiting.

How can I verify Shari B. Diamond, M.D.'s license?

NPPES lists District of Columbia license number MD034796, 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 Shari B. Diamond, M.D. prescribe under Medicare Part D?

In 2024, Shari B. Diamond, M.D. had 874 Medicare Part D claims for 177 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Shari B. Diamond, M.D.'s MIPS final score?

The 2023 MIPS final score is 77.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.