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Edit this profileAt a glance
- 8901 Wisconsin Avenue, Bethesda, MD 20889
About Dr. Gilstad
Based in Bethesda, MD, Colleen Gilstad, MD is listed in the NPI registry under anatomic & clinical pathology. Medicare claims data shows Colleen provided 420 services to 252 patients. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, blood bank physician services for cross match and/or evaluation and written report, and blood bank physician services for investigation of transfusion reaction with written report. NPI 1538141403 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (301) 319-4073
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
8901 WISCONSIN AVENUE
Bethesda, MD 20889
Conditions Evaluated or Diagnosed
Within Anatomic & Clinical 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 & Joint
Blood cancer
Blood chemistry
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Hemochromatosis
- High White Blood Cell Count
- Iron-deficiency anemia
Blood disorders
Cancer & Tumors
- Breast Cancer Biopsy Findings
- Leukemia
- Lipoma
- Prostate Cancer Biopsy Results
- Suspicious Lung Spot
- Swollen Lymph Nodes
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
- Abnormal Liver Enzymes
- Celiac disease
- H. pylori infection
- Inflammatory bowel disease
- Precancerous Colon Polyps
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Procedures & services
Pathology Consultations
Biopsy & Tissue Testing
- Bone Marrow Biopsy Testing
- Colon Polyp Biopsy Examination
- Fine Needle Aspiration Biopsy
- Frozen Section During Surgery
- Skin Biopsy Lab Review
- Special Tissue Staining
- Thyroid Biopsy Examination
Blood chemistry
Cancer & Genetic Testing
- Chromosome And Genetic Testing
- Flow Cytometry Test
- Liquid Biopsy
- Tumor Biomarker Testing
- Tumor Marker Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
- Blood Culture Test
- Colon cancer screening consult
- H. Pylori Breath Test
- STI and STD Screening
- Urine sediment test
Infectious disease
Inflammation testing
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
- Blood Clotting Test
- Cholesterol screening
- Hemoglobin A1c Test
- Kidney Function Blood Test
- Liver Function Blood Test
- Routine blood work
- Thyroid Blood Test
Specialty Lab Panels
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
Procedures Most Often Billed to Medicare
420 services · 252 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
275 | Less often than most peers in Anatomic & Clinical Pathology |
| Blood bank physician services for cross match and/or evaluation and written report | Lab test | 86077 |
119 | More often than most peers in Anatomic & Clinical Pathology |
| Blood bank physician services for investigation of transfusion reaction with written report | Lab test | 86078 |
14 | Less often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
12 | Less often than most peers in Anatomic & Clinical Pathology |
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 anatomic & clinical pathology specialists in Bethesda 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Gilstad's specialty?
Dr. Gilstad is an anatomic & clinical pathology in Bethesda, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Gilstad?
Dr. Gilstad is listed at 8901 Wisconsin Avenue, Bethesda, MD 20889. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gilstad?
The number on file is (301) 319-4073. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Gilstad?
Dr. Gilstad's National Provider Identifier is 1538141403. 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
What is Dr. Gilstad's medical education?
Dr. Gilstad attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gilstad have?
Dr. Gilstad has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gilstad known for?
According to Medicare billing data, Dr. Gilstad the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gilstad's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gilstad. If this is you, claiming it is free.
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