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Pathologists
Coverage
Medicare + 6 Networks
Telehealth
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About Dr. Christy Perez Valles
Background and practice information
Dr. Christy Perez Valles is a pathologist with over 14 years of clinical experience serving patients in the Modesto, CA area. She completed her medical training at University Of California, San Francisco School Of Medicine and has been in practice since 2012. She currently practices at Yosemite Pathology Medical Group Inc.
Dr. Christy Perez Valles's clinical practice focuses on providing surgical procedures.
Dr. Christy Perez Valles has earned an outstanding quality rating from the Centers for Medicare & Medicaid Services, scoring 91.6 out of 100 on the MIPS quality assessment — placing her among the top-performing providers in her specialty. Dr. Christy Perez Valles is in-network with 6 insurance providers, including Aetna, Cigna, Medicare, and 3 more. Patients are encouraged to verify coverage with her office before scheduling an appointment.
At a Glance
Education
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Claim this profilePractice Locations
1 location
Yosemite Pathology Medical Group Inc
Primary4301 N Star Way
Modesto, CA 95356
(209) 577-1200
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Christy Perez Valles
Services & Procedures
Dr. Christy Perez Valles's clinical practice encompasses diagnostic testing. Based on Medicare utilization data, Dr. Christy Perez Valles has provided a substantial volume of services, reflecting an active and established practice in pathology.
Diagnostic Testing
3,235 servicesDr. Christy Perez Valles orders and interprets diagnostic tests to support clinical decision-making, including tissue staining, pathology examination of tissue using a microscope, moderately low complexity, and other related services. Medicare patients typically pay significantly less than the standard charge for these services, with Medicare-approved rates averaging 62% below the billed amount.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Christy Perez Valles accepts 40 plans from 6 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Safety
CMS quality performance and patient safety measures
Exceptional
CMS Quality Score · Out of 100
Dr. Perez Valles received an overall quality score of 91.6 out of 100 from the Centers for Medicare & Medicaid Services (CMS), reflecting exceptional performance across clinical quality, patient safety, and care coordination. This score places Dr. Perez Valles among the highest-performing pathologists in Modesto, CA and nationwide. When searching for a top-rated pathologist, a CMS quality score at this level indicates a strong commitment to evidence-based, high-quality patient care.
Clinical Quality
85.1/100Measures the quality of care provided based on clinical outcomes and patient safety
Health IT Adoption
96.9/100Measures adoption of electronic health records and patient access to health information
Care Improvement
40.0/40Reflects participation in activities that improve clinical practice and patient engagement
Source: CMS Merit-based Incentive Payment System
Financial Transparency
Industry payment disclosures
Pharmaceutical and medical device companies disclosed $114 in payments to Dr. Christy Perez Valles in 2024, primarily from Inari Medical, Inc. for food and beverage. These disclosures are required by federal law under the Physician Payments Sunshine Act.
Top Paying Companies
Source: CMS Open Payments, 2024.
Patient Reviews
Reviews and ratings from patients
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About Pathology
Specialty overview and common conditions
A pathologist is a physician who specializes in diagnosing disease by examining tissues, cells, and body fluids. These medical experts analyze biopsy specimens, perform autopsies, oversee clinical laboratory operations, and provide critical diagnostic information that guides treatment decisions. Pat...
Common conditions treated by pathology specialists:
- Cancer Diagnosis and Staging
- Biopsy Interpretation
- Cytology and Pap Smear Analysis
- Molecular Pathology and Genetic Testing
Frequently Asked Questions
Common questions about Christy Perez Valles
Does Dr. Perez Valles accept Medicare?
Yes, Dr. Perez Valles accepts Medicare assignment. Patients with Medicare coverage can see Dr. Perez Valles and typically pay less out of pocket when using a provider who accepts Medicare assignment.
What insurance does Dr. Perez Valles accept?
Dr. Perez Valles is in-network with 6 insurance providers, including Aetna, Cigna, Medicare, Oxford Health Plans (UHC), UMR, and 1 more. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Perez Valles's office before scheduling.
Does Dr. Perez Valles offer telehealth or virtual appointments?
Dr. Perez Valles does not currently list telehealth services. For virtual care options, contact the office directly or consider other pathology providers in Modesto who offer telehealth.
What conditions does Dr. Perez Valles treat?
As a pathology specialist, Dr. Perez Valles commonly treats conditions including cancer diagnosis and staging, biopsy interpretation, cytology and pap smear analysis, molecular pathology and genetic testing, clinical laboratory medicine, and other related health concerns. Contact the office to discuss your specific healthcare needs.
What is Dr. Perez Valles's quality rating?
Dr. Perez Valles has received an outstanding quality score of 91.6 out of 100 from the Centers for Medicare & Medicaid Services (CMS) through the Merit-based Incentive Payment System (MIPS). This score reflects performance across quality measures, promoting interoperability, improvement activities, and cost efficiency.
Where did Dr. Perez Valles go to medical school?
Dr. Perez Valles completed medical training at University Of California, San Francisco School Of Medicine and has been practicing since 2012, bringing over 14 years of clinical experience.
Where is Dr. Perez Valles's office located?
Dr. Perez Valles practices at 4301 N STAR WAY, Modesto, CA 95356 at YOSEMITE PATHOLOGY MEDICAL GROUP INC. You can reach the office by calling (209) 577-1200.
How do I make an appointment with Dr. Perez Valles?
To schedule an appointment with Dr. Perez Valles, call the office at (209) 577-1200. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
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Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards