Provider Profile
Mary Sidawy
Unclaimed ProfileAbout Mary Sidawy
Mary Sidawy is a healthcare provider in Washington, DC specializing in cytopathology. According to Medicare claims data, Mary cared for 844 Medicare patients across 1,614 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, evaluation of fine needle aspirate with interpretation and report, and special stained specimen slides to examine tissue, each additional procedure.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (202) 444-3627
- Email not available
Practice Locations
3800 RESERVOIR RD NW
Washington, DC 20007
Conditions Evaluated or Diagnosed
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Iron-deficiency anemia
- Leukemia
- Lymphoma
- Multiple Myeloma
- Sickle cell disease
Cancer
- Bladder cancer
- Bone tumors
- Brain tumor
- Breast cancer
- Cervical cancer
- Colon cancer
- Endometrial cancer
- Kidney cancer
- Liver cancer
- Lung cancer
- Oral cavity cancer
- Ovarian cancer
- Pancreatic cancer
- Prostate cancer
- Soft-tissue sarcoma
- Stomach cancer
- Testicular cancer
- Thyroid cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Procedures & services
Autopsy & Forensic
Blood Tests
- Blood Clotting Tests
- Blood Type Test
- Cholesterol screening
- Complete Blood Count
- Comprehensive Metabolic Panel
- Hemoglobin A1c Test
- Iron Level Blood Test
- Thyroid Blood Test
Cytology
Cytology & Screening
- Fine-needle aspiration of a neck mass
- Human papillomavirus testing
- Pap Smear Test
- Thyroid Nodule Biopsy Review
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
- Cardiac enzyme blood test
- Pregnancy blood test
- Sed rate inflammation test
- Testosterone blood test
- Vitamin D blood test
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
- Bone Marrow Biopsy Interpretation
- Breast Biopsy Analysis
- Cervical biopsy lab review
- Colon Polyp Testing
- Kidney Biopsy Examination
- Liver Biopsy Examination
- Lung biopsy lab review
- Lymph Node Biopsy Analysis
- Oral biopsy lab review
- Prostate Biopsy Analysis
- Skin Biopsy Lab Review
- Stomach biopsy lab review
- Uterine biopsy lab review
Procedures Most Often Billed to Medicare
1,614 services · 844 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of surgical specimen | Imaging | 76098 |
16 | Too few peers to compare |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
494 | More often than most peers in Cytopathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
291 | More than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
213 | More often than most peers in Cytopathology |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
157 | More often than most peers in Cytopathology |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
108 | More often than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
89 | As often as other peers in Cytopathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
57 | As often as other peers in Cytopathology |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
55 | More often than most peers in Cytopathology |
| Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure | Lab test | 88367 |
53 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cytopathology specialists in Washington 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1978 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of surgical specimen 7
Providers in DC who bill this service to Medicare most often.
Common questions
What kind of doctor is Mary Sidawy?
Mary Sidawy is a cytopathology in Washington, DC. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mary Sidawy's address?
Mary Sidawy is listed at 3800 Reservoir Rd Nw, Washington, DC 20007. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary Sidawy?
The number on file is (202) 444-3627. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary Sidawy's NPI number?
Mary Sidawy's National Provider Identifier is 1104802412. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Sidawy train?
Mary Sidawy attended Other, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Sidawy been practicing?
Mary Sidawy has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mary Sidawy perform?
According to Medicare billing data, Mary Sidawy performs imaging including x-ray of surgical specimen, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Sidawy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Sidawy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.