Mark Ryan Wisthoff, D.O.
Family Medicine Physician · Denver, CO
Mark Ryan Wisthoff, D.O. is a family medicine physician with a practice address in Denver, Colorado, and NPI 1730407321, issued on May 6, 2010. Check the license (Colorado DR.0050751, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Ryan Wisthoff
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DR.0050751 CO
50751 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4660 Yosemite St Ste 100, Denver, CO 80238
- Phone
- (720) 516-8902
- Enumerated
- May 6, 2010
- Record last updated
- May 30, 2023
- Fax
- (720) 516-8903
- Medicaid ID
- 18780083 CO
- Medicare enrollment
- Enrolled (PECOS I20160215001125); accepts Medicare assignment
- Medical or professional school
- Mid West Medical College, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,563 in Colorado → Look up another NPI →
Also registered at 4660 Yosemite St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan Bonini, PT, DPTPhysical Therapist1588217855
- Ashley Doepker, FNP-CFamily Nurse Practitioner1942676929
- Abigail Hardt, LCSWClinical Social Worker1346948676
- Samantha Harmon, PT, DPTPhysical Therapist1710495775
- Mollie Harsch, NPFamily Nurse Practitioner1609582428
- Meghan Lovely, DPTPhysical Therapist1306547971
Verify Mark Ryan Wisthoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0050751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average family medicine physician in 2024
1,990 Medicare Part D claims for 216 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 79 claims were for opioids.
Most prescribed
- Atorvastatin Calcium110 claims
- Levothyroxine Sodium76 claims
- Lisinopril72 claims
- Amlodipine Besylate70 claims
- Losartan Potassium67 claims
- Albuterol Sulfate Hfa48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Poudre Valley Medical Group LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Ryan Wisthoff among 3,563 family medicine physician records in Colorado
Mark Ryan Wisthoff, D.O. is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2010 · median 2008 among the 2,077 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
457 family medicine physician records list a practice address in Denver
They are 457 of the 25,068 NPPES records with a practice address in Denver, and 3,563 family medicine physician records in Colorado.
All 3,563 in Colorado → Every provider in Denver → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Colleen Conry, MDDenver, CO 802381407961485
- Lisa Davidson, D.O.Denver, CO 802381235185406
- Frank Degruy, MDDenver, CO 802381932214913
- Perry Dickinson, MDDenver, CO 802381205941283
- Barbara Kelly, MDDenver, CO 802381578678553
Common questions
What is Mark Ryan Wisthoff, D.O.'s NPI number?
Mark Ryan Wisthoff, D.O.'s National Provider Identifier (NPI) is 1730407321, issued on May 6, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ryan Wisthoff, D.O. located?
The NPPES record lists a practice address at 4660 Yosemite St Ste 100, Denver, CO, 80238. Phone: (720) 516-8902. Providers update this record themselves, so call before visiting.
How can I verify Mark Ryan Wisthoff, D.O.'s license?
NPPES lists Colorado license number DR.0050751, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Ryan Wisthoff, D.O. prescribe under Medicare Part D?
In 2024, Mark Ryan Wisthoff, D.O. had 1,990 Medicare Part D claims for 216 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mark Ryan Wisthoff, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.