Pathology Sciences Medical Group

What Pathology Sciences Medical Group does

Pathology Sciences Medical Group (PSMG) is an independently owned, CAP-accredited anatomic pathology laboratory headquartered at 183 East 8th Avenue, Chico, California, serving eight rural Northern California counties (Butte, Glenn, Sutter, Yuba, Tehama, Shasta, Colusa, and Plumas). Founded circa 1964, the group operates a single-site laboratory with 11-50 employees and a roster of eight board-certified pathologists holding subspecialty fellowships in Cytopathology, Hematopathology, Dermatopathology, Surgical Pathology, and Liver/GI Pathology.

The company's diagnostic offering spans surgical tissue and biopsy pathology, gynecologic cytology (BD SurePath liquid-based Pap testing with FocalPoint automated screening), non-gynecologic cytology (FNA, body fluids, urine, CSF), and molecular diagnostics including Respiratory Viral Panel, C. trachomatis/N. gonorrhoeae, Trichomonas, HPV, and BD MAX Vaginitis Panel. Results are delivered to referring physicians through a password-protected online portal (Cortex Courier) and specimens are collected from client facilities via an internal courier network. Ancillary tests can be added to existing specimens, supporting incremental per-case revenue.

PSMG's business model is sales-led B2B, billable to Medicare (CLIA ID 05D0883963, Provider ZZZ88620Z), Medicaid (LAB83963F), commercial insurers, and patients via a PatientNotebook online bill-pay portal. Customer payors are physicians, osteopaths, dentists, and chiropractors across the North State service area; patients access billing through a self-service portal. The firm holds CAP accreditation (LAB 2517702), CLIA certification, a California Clinical Laboratory license (CDF00010112), and HIPAA-compliant PHI handling. There is no disclosed parent company, venture capital, private equity backing, or M&A activity in available sources.

Name

Pathology Sciences Medical Group

Legal name

Pathology Sciences Medical Group

Website

https://pathologysciences.com

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

11–50 employees

Short description

Pathology Sciences Medical Group is an independently owned, CAP-accredited anatomic pathology laboratory in Chico, California, providing surgical pathology, cytology, molecular diagnostics, dermatopathology, and hematopathology services to non-hospital healthcare providers across eight Northern California counties.

Ownership category

akta.pro rank

Product category

Anatomic Pathology Laboratory Services

NAICS

Medical Laboratories (621511)

SIC

Services-Medical Laboratories (8071)

akta.pro primary industry

Anatomic Pathology (Histopathology & Cytopathology) (HLAFAMAA)

akta.pro secondary industry

Cytology & Histopathology Diagnostics (IHC, ISH, tissue-based assays) (HLAAALAI)

Keywords

• Anatomic pathology services
• Surgical biopsy pathology
• Molecular diagnostic testing
• Cytology screening services
• Clinical laboratory diagnostics

Headquarters

HQ city

Chico

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Supply Chain

Revenue model

1. Pathology Testing Services: Laboratory diagnostic testing services billed to healthcare providers, insurance companies, Medicare, and Medicaid. Services include surgical pathology, cytology, molecular diagnostics, and clinical pathology testing.
2. Online Patient Bill Pay: Patients can access billing statements and pay for services through the Patient Notebook online portal.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Pathology Sciences Medical Group (PSMG) is an independent CAP-accredited anatomic pathology laboratory providing diagnostic testing services to healthcare providers across eight Northern California counties. Core offerings include surgical tissue/biopsy pathology, cytology (PAP and non-Gyn), molecular diagnostics (respiratory viral panels, STI testing, HPV, vaginitis panels), hematopathology, and dermatopathology, supported by courier specimen pickup and a password-protected physician results portal.

Product overview

Pathology Sciences Medical Group is an independently owned CAP-accredited anatomic pathology laboratory offering a comprehensive range of diagnostic testing services. The core offerings include surgical tissue/biopsy pathology analysis, cytology services with liquid-based PAP testing using BD SurePath technology, molecular diagnostics (respiratory panels, STI testing, HPV testing, vaginitis panel), and non-gyn cytology. Supporting infrastructure includes a password-protected Physician Result Portal for secure report access, online bill pay for patients, and supply ordering for specimen collection materials. The laboratory has served Northern California's North State counties for over 60 years.

Differentiator

Problem solved

Functional benefit

Products and services

• Surgical Tissue/Biopsy Pathology Services Surgical tissue and biopsy pathology analysis using 10% Neutral Buffered Formalin fixative, with specialized handling for breast tissue, fresh tissue for flow cytometry, and frozen sections. Designed for healthcare providers submitting patient specimens for diagnostic interpretation.
• Cytology Services (PAP Testing) Liquid-based cytology services using BD SurePath technology combined with the FocalPoint Slide Profiler for automated analysis. Includes ancillary testing for Gonorrhoeae/Chlamydia, HPV, and HSV I/II. Provided to OB/GYN and primary care physicians for cervical cancer screening.
• Molecular Diagnostic Testing

Quantifiable outcome

• 60+ years of continuous operation in Northern California

Named customers1 record

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Laboratory Corporation of America (LabCorp): Major national clinical laboratory with deep physician-office outreach and a broad anatomic pathology offering. Represents the dominant large-cap competitor for community pathology referrals in PSMG's territory.
• NeoGenomics: Specialized oncology-focused clinical and anatomic pathology lab with broad U.S. footprint. Adjacent competitor particularly for molecular and hematopathology referrals that PSMG currently captures.
• Quest Diagnostics: Largest U.S. clinical reference laboratory. Competes with PSMG on outreach logistics and test menu breadth, but operates a national scale that PSMG cannot match; key competitive threat for community physician referrals.
• Sonic Healthcare USA: Global pathology operator with a large U.S. anatomic pathology footprint (including the former Aurora Diagnostics). Competes for community pathology referrals through multi-state infrastructure and subspecialty expertise.

Direct peers

• CellNetix Pathology & Laboratories: Pacific Northwest–based, physician-owned anatomic pathology group with multi-subspecialty services. Closely mirrors PSMG's model — independent pathologist practice with hospital and community physician channels.
• Inform Diagnostics: Specialty anatomic pathology lab focused on GI, dermatopathology, and urology. Comparable to PSMG in offering subspecialty surgical pathology to community physicians, though at national scale.
• ProPath: Independent, physician-owned anatomic pathology practice with subspecialty expertise serving community physicians. Highly comparable in operating model — small, pathologist-led, multi-subspecialty lab.
• PathGroup: Large, physician-led independent anatomic and clinical pathology group serving hospitals and physicians across multiple U.S. states. Closest analog in business model — multi-subspecialty pathologist-owned lab serving community providers.
• Histo-Scientific Research Laboratories (HSRL): Independent anatomic pathology laboratory serving dermatology and community practices. Closely matches PSMG's dermatopathology and community physician service model.

Emerging players

• Caris Life Sciences: Molecular and anatomic pathology company focused on oncology diagnostics and precision medicine. Comparable to PSMG's molecular diagnostics menu but with a higher-acuity, specialty-focused go-to-market.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Pathology Sciences Medical Group