Doctor Profile

Dermatology · Dermatology

Sofia Guelfand Warnken

MD · Dermatology
PO BOX
SUITE 110429
Aurora, CO 80042
✓ Accepts Medicare
Medicare Patients / yr
Procedures Billed
5
Years Practicing
0
Hospital Affiliations
Data Source: Identity from NPPES (2026). Procedure & patient volume from CMS Medicare Provider Utilization & Payment Data (2023). Hospital affiliations from CMS Physician Compare. We display publicly reported data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare, CMS, or Sofia Guelfand Warnken'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. Guelfand Warnken

See which plans Dr. Guelfand Warnken accepts

We're pulling plan acceptance data directly from insurance carrier provider directories. Until that feed is live for Colorado, the fastest way to find a Medicare plan that covers Dr. Guelfand Warnken is to compare every Medicare Advantage and Part D plan available near 73947, CO — the Dermatology's office can quickly confirm which of the top local plans they accept.

Compare Medicare Plans near 73947, CO →

Or call the office at to confirm acceptance directly.

What Dr. Guelfand Warnken Does

Dr. Guelfand WarnkenCMS has not published utilization data for Dr. Guelfand Warnken in the latest reporting year. This can happen for newer physicians, low-volume providers, or practitioners who bill primarily through a group PAC ID. Hospital affiliations and plan coverage below are still accurate.

How to read this: "Services" are the total times Dr. Guelfand Warnken 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

CMS does not list any hospital affiliations for Dr. Guelfand Warnken. This is common for office-based practitioners who don't admit patients to hospitals.

Practice Location & Telehealth Readiness

Dr. Guelfand Warnken practices at the address below. If you're evaluating Medicare coverage, location matters for in-network access and — when Dr. Guelfand Warnken offers telehealth — broadband availability at your home matters for virtual visits.

Address: PO BOX, SUITE 110429, Aurora, CO 80042
Phone:

Area Safety Grade

D-

Block-level crime analysis from CrimeGrade.org.

Practice Accessibility

16 min

Average commute time in this zip · 54% 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

89.0995

Households with fiber broadband — important for reliable virtual visits. Check your address at ISPReports.org.

Get directions on Google Maps →

Other Dermatology Doctors near 73947, CO

If Dr. Guelfand Warnken isn't accepting new patients or isn't in your plan's network, these are the closest dermatology doctors near 73947, CO:

DoctorSpecialtyMedicare Patients / yrDistance
Sharron D. BlaylockDermatology1.4K346.8 mi
Jordan B. LaneDermatology573.5 mi
Leslie A. MarshallDermatology2.0K573.5 mi
Jaldeep H. DaulatDermatology1.1K656.4 mi
Wallace A. SmithDermatology5.8K656.4 mi
Tanner J. ParrentDermatology1.8K816.1 mi

View all dermatology doctors near 73947, CO →

How to Use This Information

Choosing a Medicare plan that covers Dr. Guelfand Warnken 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 73947, CO →
  • Confirm directly with the office. Call Dr. Guelfand Warnken's office at 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 →
Compare Medicare Plans near 73947, CO → All Doctors near 73947, CO

Sofia Guelfand Warnken: Common Questions

Does Dr. Guelfand Warnken accept Medicare?
Yes. Dr. Guelfand Warnken is enrolled with Medicare and listed in the CMS Provider Enrollment, Chain, and Ownership System (PECOS). Whether a specific Medicare Advantage plan covers Dr. Guelfand Warnken depends on that plan's provider network. Compare Medicare plans near 73947, CO →
Where is Dr. Guelfand Warnken's office?
Dr. Guelfand Warnken practices at PO BOX, SUITE 110429, Aurora, CO 80042. Phone: .
What Medicare plans does Dr. Guelfand Warnken accept?
Original Medicare (Parts A & B) is accepted. Medicare Advantage plan acceptance varies by carrier and plan year. Call the office at to confirm your specific plan is accepted, or compare all Medicare plans near 73947, CO to see available options.
Does Dr. Guelfand Warnken offer telehealth visits?
CMS does not currently list Dr. Guelfand Warnken as offering telehealth. Call the office at to confirm whether virtual visits are available.
How experienced is Dr. Guelfand Warnken?
Dr. Guelfand Warnken graduated in 2021 and has been practicing for approximately 5 years.
How do I know if Dr. Guelfand Warnken is in-network for my Medicare plan?
Network status varies by plan. The best verification steps: (1) check your plan's provider directory at the carrier's website, (2) call the office at and ask which plans they currently accept, and (3) call the number on the back of your Medicare card. Print our doctor questions checklist →

About the Reviewer

Wes Ward

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:

Does your Medicare plan cover Dr. Guelfand Warnken?

Compare Plans near 73947, CO →