Physician Profile
Jeffrey A. Hamilton, M.D.
Unclaimed ProfileAbout Dr. Hamilton
Based in West Islip, NY, Jeffrey A. Hamilton, M.D. is listed in the NPI registry under anatomic & clinical pathology. Jeffrey graduated from State University of New York Downstate Medical Center in 1991. According to Medicare claims data, Jeffrey cared for 1,596 Medicare patients across 3,268 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, each additional procedure, and special stained specimen slides to examine tissue, initial procedure.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (631) 376-3000
- Email not available
Practice Locations
1000 MONTAUK HWY
West Islip, NY 11795
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
- Autoimmune Disease Markers
- Gout
Blood cancer
- Lymphoma
- Multiple Myeloma
Blood chemistry
- High calcium
- Low sodium or electrolyte imbalance
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Hemochromatosis
- High White Blood Cell Count
- Iron-deficiency anemia
Blood disorders
- High Platelet Count
- Low Platelets
- Low White Blood Cell Count
Cancer & Tumors
- Breast Cancer Biopsy Findings
- Leukemia
- Lipoma
- Prostate Cancer Biopsy Results
- Suspicious Lung Spot
- Swollen Lymph Nodes
Cervical & Women's Health
- Endometrial hyperplasia
Cervical Health
- Abnormal cervical cells and cervical dysplasia
Digestive pathology
- Barrett's esophagus
Digestive System
- Abnormal Liver Enzymes
- Celiac disease
- H. pylori infection
- Inflammatory bowel disease
- Precancerous Colon Polyps
Hormones
- Testosterone deficiency
Hormones & Metabolism
- High cholesterol
- Hypothyroidism
- Prediabetes
- Thyroid nodules
- Vitamin D deficiency
Infections
- Sepsis or blood infection
- Sexually transmitted infections
- UTI
Infectious disease
- HPV infection risk
- Lyme disease
Kidney & Urinary
- Bladder cancer
- High creatinine levels
Liver pathology
- Fatty liver disease
Prostate
- High PSA levels
Skin
- Precancerous sun spot
- Skin cancer
Skin pathology
- Moles and atypical moles
Urine & kidney
- Blood in the urine
- Kidney Disease
Procedures & services
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
- Iron Level Blood Test
Cancer & Genetic Testing
- Chromosome And Genetic Testing
- Flow Cytometry Test
- Liquid Biopsy
- Tumor Biomarker Testing
- Tumor Marker Testing
Cancer screening
- Prostate cancer blood test
Cardiac testing
- Troponin blood test
Cervical & Women's Health
- Pap Smear Test
Fertility testing
- Sperm count test
Hormone testing
- Cortisol blood test
- Testosterone blood test
Immunology
- Immune System Blood Test
Infection & Microbiology Tests
- Blood Culture Test
- Colon cancer screening consult
- H. Pylori Breath Test
- STI and STD Screening
- Urine sediment test
Infectious disease
- Lyme disease test
Inflammation testing
- Inflammation Blood Tests
- Sed rate inflammation test
Pathology Consultations
- Biopsy Second Opinion
- Second Opinion For Cancer
Post-Mortem & Forensic
- Paternity DNA Test
- Private Autopsy Service
Routine blood testing
- Basic metabolic panel
- Complete Blood Count
- Comprehensive Metabolic Panel
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
- Allergy Blood Testing
- Autoimmune Blood Panel
- Celiac Disease Blood Test
- Urine Drug Screen
Tissue biopsy
- Breast tissue biopsy test
- Cervical biopsy test
- Lymph node biopsy review
Toxicology
- Heavy metals blood test
Transfusion testing
- Blood Type Test
Urine testing
- Urinalysis
Procedures Most Often Billed to Medicare
3,268 services · 1,596 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
1,365 | More often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
666 | More than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
194 | More often than most peers in Anatomic & Clinical Pathology |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
184 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
182 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
104 | More often than most peers in Anatomic & Clinical Pathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
95 | More often than most peers in Anatomic & Clinical Pathology |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
94 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of specimen during surgery, first tissue block | Lab test | 88331 |
82 | More often than most peers in Anatomic & Clinical Pathology |
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
69 | More 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 West Islip 7
Same specialty, same city.
Trained at State University of New York Downstate Medical Center 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1991 at State University of New York Downstate Medical Center 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Jeffrey A. Hamilton specialize in?
Jeffrey A. Hamilton is an anatomic & clinical pathology in West Islip, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Jeffrey A. Hamilton located?
Jeffrey A. Hamilton is listed at 1000 Montauk Hwy, West Islip, NY 11795. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jeffrey A. Hamilton's phone number?
The number on file is (631) 376-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Jeffrey A. Hamilton's NPI number?
Jeffrey A. Hamilton's National Provider Identifier is 1982696548. 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 Jeffrey A. Hamilton train?
Jeffrey A. Hamilton attended State University of New York Downstate Medical Center, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Jeffrey A. Hamilton been practicing?
Jeffrey A. Hamilton has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Jeffrey A. Hamilton do most often?
According to Medicare billing data, Jeffrey A. Hamilton 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
Has Jeffrey A. Hamilton confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jeffrey A. Hamilton. 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.