Physician Profile
Based in Riverhead, NY, Ranjana Mathur, M.D. is listed in the NPI registry under anatomic & clinical pathology. According to Medicare claims data, Ranjana cared for 808 Medicare patients across 1,212 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, preparation of tissue for examination by removing any calcium present, and pathology examination of tissue using a microscope, moderately low 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.
1300 ROANOKE AVE
Riverhead, NY 11901
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
1,212 services · 808 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
550 | As often as other peers in Anatomic & Clinical Pathology |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
161 | More than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
158 | More than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue including interpretation and report | Lab test | 88313 |
86 | As often as other peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
86 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
52 | |
| Pathology examination of tissue using a microscope, limited examination | Lab test | 88300 |
48 | More often than most peers in Anatomic & Clinical Pathology |
| Cell examination of specimen, concentration technique | Lab test | 88108 |
45 | As often as other peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope | Lab test | 88302 |
26 | 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.
Ranjana Mathur is an anatomic & clinical pathology in Riverhead, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Ranjana Mathur is listed at 1300 Roanoke Ave, Riverhead, NY 11901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 548-6146. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Ranjana Mathur's National Provider Identifier is 1801994868. 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
Ranjana Mathur attended Other, graduating in 1976. This comes from the CMS National Downloadable File.
CMS public data
Ranjana Mathur has 50 years experience. Calculated from a graduation year of 1976, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Ranjana Mathur 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 Ranjana Mathur. 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.