Physician Profile
Stanley R. Hamilton, M.D. is a healthcare provider in Duarte, CA specializing in anatomic & clinical pathology. Medicare claims data shows Stanley provided 1,118 services to 452 patients. The services billed most often include special stained specimen slides to examine tissue, each additional procedure, special stained specimen slides to examine tissue, initial procedure, and pathology examination of tissue using a microscope, intermediate complexity.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1500 DUARTE RD
Duarte, CA 91010
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.
Autoimmune & Joint
Blood cancer
Blood chemistry
Blood Disorders
Blood disorders
Cancer & Tumors
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Biopsy & Tissue Testing
Blood chemistry
Cancer & Genetic Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
Infectious disease
Inflammation testing
Pathology Consultations
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
Specialty Lab Panels
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
1,118 services · 452 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
338 | More often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
122 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
120 | |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
104 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
93 | |
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
63 | More than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
61 | As often as other peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, high complexity | Lab test | 88309 |
44 | More than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue including interpretation and report | Lab test | 88313 |
41 | As often as other peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
32 | 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.
Stanley R. Hamilton is an anatomic & clinical pathology in Duarte, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Stanley R. Hamilton is listed at 1500 Duarte Rd, Duarte, CA 91010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 256-4673. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Stanley R. Hamilton's National Provider Identifier is 1730275637. 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
Stanley R. Hamilton attended Other, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
Stanley R. Hamilton has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Stanley R. 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
Not yet. This profile is built from public federal data and has not been confirmed by Stanley R. 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.