Physician Profile
Based in New Haven, CT, Sean X. Gu, MD, PhD is listed in the NPI registry under hematopathology. Sean graduated from University of Iowa, Rj & L Carver College of Medicine in 2017. Sean is also listed as specializing in pathology — clinical. According to Medicare claims data, Sean cared for 341 Medicare patients across 383 services. The services billed most often include flow cytometry technique for dna or cell analysis, 16 or more markers, flow cytometry technique for dna or cell analysis, 9 to 15 markers, and molecular pathology procedure; physician interpretation and report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
20 YORK STREET YNHH AND DEPARTMENT OF LABORATORY MEDICINE
New Haven, CT 06510
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.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
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Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
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Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
383 services · 341 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Flow cytometry technique for dna or cell analysis, 16 or more markers | Lab test | 88189 |
101 |
| Flow cytometry technique for dna or cell analysis, 9 to 15 markers | Lab test | 88188 |
88 |
| Molecular pathology procedure; physician interpretation and report | Billing code | G0452 |
86 |
| Flow cytometry technique for dna or cell analysis, 2 to 8 markers | Lab test | 88187 |
43 |
| Coagulation function screening test with interpretation and report | Lab test | 85390 |
33 |
| Blood smear interpretation by physician with written report | Lab test | 85060 |
32 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Gu is a hematopathology in New Haven, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Gu is listed at 20 York Street Ynhh and Department of Laboratory Medicine, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (203) 688-4242. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Gu's National Provider Identifier is 1497245930. 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
Dr. Gu attended University of Iowa, Rj & L Carver College of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. Gu has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Gu 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gu. 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.