NPPES file of Aug 9, 2026

Mary Sidawy

Cytopathology Physician · Washington, DC

Mary Sidawy is a cytopathology physician with a practice address in Washington, District of Columbia, and NPI 1104802412, issued on Dec 19, 2005. Check the license (District of Columbia 13514, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104802412
Name
Mary Sidawy
Primary taxonomy
Cytopathology Physician 207ZC0500X
License number
13514 DC
Self-reported in NPPES; status is on the state search
Practice location
3800 Reservoir RD NW, Washington, DC 20007
Phone
(202) 444-3627
Enumerated
Dec 19, 2005
Record last updated
Mar 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050922000800); accepts Medicare assignment
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 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 Mary Sidawy 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 13514
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 76.6 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. Qualityout of 100 · 30% of the final score63.2
  2. Costout of 100 · 30%55.9
  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).

Bills Medicare through one group practice

  1. Medstar Medical Group II LLCWashington, DC

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

Cytopathology Physician providers in District of Columbia

There are 6 cytopathology physician records in District of Columbia.

Other cytopathology physician records in District of Columbia

  1. Anne Busseniers, MDWashington, DC1679558043
  2. Barbara Crothers, D.O.Washington, DC1487629713
  3. Maryam Foroughi, MDWashington, DC1497252993
  4. Andrea Richardson, MD PHDWashington, DC1023069523
  5. Jay Zeck, M.D,Washington, DC1891921532

Common questions

What is Mary Sidawy's NPI number?

Mary Sidawy's National Provider Identifier (NPI) is 1104802412, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary Sidawy located?

The NPPES record lists a practice address at 3800 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 444-3627. Providers update this record themselves, so call before visiting.

How can I verify Mary Sidawy's license?

NPPES lists District of Columbia license number 13514, 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.

What is Mary Sidawy's MIPS final score?

The 2023 MIPS final score is 76.6 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.