MARK RYAN WISTHOFF D.O.
NPI 1730407321
Family Medicine in Denver, CO
About Mark Ryan Wisthoff D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK RYAN WISTHOFF D.O. (NPI 1730407321) is an individual family medicine provider in Denver, Colorado, licensed in Colorado (DR.0050751) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of Mid West Medical College (2010).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Ryan Wisthoff D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mark Wisthoff reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Loveland, CO 80538
- Reassigned Medicare billing, Colorado enrollment
- 2,596 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80238 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Wisthoff's NPI number?
The NPI number for Mark Wisthoff is 1730407321. It was assigned to this individual provider in the NPPES registry on May 6, 2010.
Where is Mark Wisthoff located?
Mark Wisthoff practices at 4660 Yosemite St Ste 100, Denver, CO 80238. The listed phone number is (720) 516-8902.
What is Mark Wisthoff's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Wisthoff enrolled in Medicare?
Yes. Mark Wisthoff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mark Wisthoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Wisthoff reassigns Medicare benefits to Poudre Valley Medical Group, LLC (Loveland, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Wisthoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Wisthoff accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Select Health and UnitedHealthcare list Mark Wisthoff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Wisthoff was last updated on May 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark Ryan Wisthoff, D.O. · NPI 1730407321
Family Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since May 6, 2010.
## Identity
- **NPI:** 1730407321 (Entity type: Individual)
- **Enumerated:** May 6, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** DR.0050751 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 4660 YOSEMITE ST STE 100, Denver, CO 80238-4481
- **Phone:** (720) 516-8902 · **Fax:** (720) 516-8903
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Poudre Valley Medical Group, LLC (NPI 1366763260, Loveland, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Mid West Medical College, class of 2010
## Record status
- **NPPES last updated:** May 30, 2023
- **Other identifiers:** Medicaid 18780083 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1730407321) · Data from the CMS NPPES public registry.