Doctor profile · Federal record

Dr. Mary Sidawy

Cytopathology Physician (CMS: Pathology) · Washington, DC

  • NPI 1104802412
  • Accepts Medicare
  • MIPS 75.7 / 100 · 2023
  • 48 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3800 Reservoir RD Nw
Washington, DC 200072113
(202) 444-3627
Mailing address
Po Box 418283
Boston, MA 022418283

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
March 15, 2012
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207ZC0500X — NUCC code
State license (1)
District of Columbia #13514

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104802412. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,151
Distinct HCPCS
10
Medicare allowed
$51,240
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 331 152 $39
88173 Evaluation of fine needle aspirate with interpretation and report 185 78 $75
88112 Cell examination of specimen, selective cellular enhancement technique 122 95 $29
88341 Special stained specimen slides to examine tissue, each additional procedure 117 34 $30
88307 Pathology examination of tissue using a microscope, moderately high complexity 76 24 $88
88360 Microscopic genetic analysis of tumor, manual 62 24 $45
88367 Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure 56 50 $35
88342 Special stained specimen slides to examine tissue, initial procedure 50 40 $37
88373 Microscopic genetic analysis of tissue, computer-assisted technology, each additional procedure 37 33 $27
88312 Special stained specimen slides to identify organisms including interpretation and report 30 14 $28

In context: peer comparison

Among 3 peers in this city , average services per provider: 151. This provider delivers 7.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Sidawy's medical specialty?
Dr. Mary Sidawy practices Cytopathology Physician in Washington, DC.
Where does Dr. Mary Sidawy practice?
Dr. Mary Sidawy practices at 3800 Reservoir RD Nw, Washington, DC 200072113. Office phone: 2024443627.
What is Dr. Mary Sidawy's NPI?
Dr. Mary Sidawy's National Provider Identifier (NPI) is 1104802412, issued by NPPES.
Does Dr. Mary Sidawy accept Medicare assignment?
Yes. Dr. Mary Sidawy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Sidawy commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Evaluation of fine needle aspirate with interpretation and report (HCPCS 88173); Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112). Source: CMS Medicare Physician & Other Practitioners file.