Doctor Profile
Gregory S. Holst
Eureka, CA 95501
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💳 Check Plan Coverage 📞 Call Office 🗺️ Get Directions 🏛️ Verify on Medicare.govReviewed by: Wes Ward, Founder & Data Lead • View our methodology
Important: We are not affiliated with Medicare, CMS, or Gregory S. Holst's practice. This page displays publicly available CMS data to help you research Medicare providers. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.
Medicare Plans That Cover Dr. Holst
See which plans Dr. Holst accepts
We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for California, the fastest way to find a Medicare plan that covers Dr. Holst is to compare every Medicare Advantage and Part D plan available near 95501, CA — the Family Practice's office can quickly confirm which of the top local plans they accept.
Compare Medicare Plans near 95501, CA →Or call the office at (707) 443-9371 to confirm acceptance directly.
What Dr. Holst Does
Dr. Holst served 1,252 Medicare patients across 2,299 services in the latest CMS reporting year. That's 134% above the average Family Practice in California (536 patients across 6,367 doctors).
| Procedure | Services | Medicare Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes (99214) | 1,133 | 467 |
| Destruction of precancer skin growth, 2-14 growths (17003) | 254 | 51 |
| Established patient office or other outpatient visit, 20-29 minutes (99213) | 197 | 165 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211) | 142 | 63 |
| Administration of influenza virus vaccine (G0008) | 105 | 101 |
How to read this: "Services" are the total times Dr. Holst billed Medicare for each procedure in the latest reporting year. "Patients" counts unique Medicare beneficiaries. Procedures are shown in plain English; the underlying HCPCS codes are available on request.
Hospital Affiliations
Dr. Holst is affiliated with 2 hospitals according to CMS Physician Compare. Below are the 2 hospitals with full quality profiles on our site. Hospital network status depends on your Medicare Advantage plan — always verify before enrolling.
Mad River Community Hospital
Providence St Joseph Hospital
Practice Location & Telehealth Readiness
Dr. Holst practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Holst offers telehealth — broadband availability at your home matters for virtual visits.
Address: 2280 HARRISON AVE, Eureka, CA 95501
Phone: (707) 443-9371
Practice Accessibility
Average commute time in this zip · 79% of residents drive to work. Practical context for patients deciding whether to make the trip. See the full neighborhood profile at BestNeighborhood.org.
Telehealth Readiness
Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.
Other Primary Care Doctors near 95501, CA
If Dr. Holst isn't accepting new patients or isn't in your plan's network, these are the closest primary care doctors near 95501, CA:
| Doctor | Specialty | Medicare Patients / yr | Distance |
|---|---|---|---|
| Aishwarya Sharma | Family Practice | 267 | <1 mi |
| Rodabeh H. Mirian | Nurse Practitioner | 12 | <1 mi |
| Kimberlee K. Adams | Nurse Practitioner | — | <1 mi |
| Bethany A. Miteiko | Physician Assistant | 105 | <1 mi |
| Mary Mahoney | General Practice | 126 | <1 mi |
| Daryn T. Longman | Physician Assistant | — | <1 mi |
How to Use This Information
Choosing a Medicare plan that covers Dr. Holst takes three steps:
- Verify network status. Medicare Advantage plans each have their own provider networks. The same doctor may be in-network for one plan and out-of-network for another. Compare all Medicare plans near 95501, CA →
- Confirm directly with the office. Call Dr. Holst's office at (707) 443-9371 to verify they're accepting new patients and which plans they currently accept. Use our printable question list →
- Check enrollment windows. You can only switch Medicare plans during specific periods. Missing a deadline can cost you a year of coverage. Review enrollment dates →
Gregory S. Holst: Common Questions
Does Dr. Holst accept Medicare?
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About the Reviewer
Wes Ward
Founder & Data Lead
Wes Ward reviews all doctor profiles and methodology for data accuracy. Every Medicare provider page on this site — including the utilization statistics, hospital affiliations, and geocoded practice address — goes through his data-validation pipeline before publication. We display only publicly available CMS data; you never need to enter personal information to see any of it.
With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to healthcare transparency. He is also a co-founder of BestNeighborhood.org (neighborhood data), CrimeGrade.org (block-level safety analytics), and ISPReports.org (broadband availability for telehealth). Those sister sites power the location and telehealth-readiness context on this page.
View full profile → • LinkedIn
Data sources: CMS NPPES (2026), CMS Medicare Provider Utilization & Payment Data (2023), CMS Physician Compare, CrimeGrade.org, BestNeighborhood.org, ISPReports.org. This page is for informational purposes only. Always verify coverage directly with the plan and practice. Read our full methodology → • Privacy policy
Medicare Resources
Choosing the right Medicare plan involves more than just doctor coverage. These guides help you evaluate the full picture:
How to Choose a Medicare Plan
In-depth guide to plan types, Star Ratings, drug tiers, and costs.
Enrollment Checklist
Printable step-by-step guide to gather your info and enroll.
Enrollment Dates & Deadlines
Key periods, timelines, and penalty calculations.
Questions for Your Doctor
Printable list to discuss Medicare with Dr. Holst or any physician.
Medicare Glossary
Definitions for 40+ complex Medicare terms.
Our Methodology
Learn how we source and verify CMS data for accuracy.
Medicare Plans for Conditions Treated by Primary Care Specialists
See which Medicare plans score highest for conditions commonly managed by this specialty in 95501, CA: