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Dr. Mark Ryan Wisthoff, DO
NPI1730407321PAC ID7012211824
- Medicare services, 2024
- 610
- Medicare patients, 2024
- 114
- Part D claims, 2024
- 1,990
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 2695 Rocky Mountain Ave, Loveland, CO 80538
- Practice phone
- Call (970) 624-4443
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCHealth Medical Group
Loveland, Colorado
Find Dr. Wisthoff's professional email, personal email and mobile number
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Dr. Mark Ryan Wisthoff is a family medicine physician in Loveland, Colorado
Dr. Wisthoff practices at UCHealth Medical Group in Loveland, Colorado.
Dr. Wisthoff's NPI, 1730407321, was assigned on May 6, 2010. Dr. Wisthoff graduated from Mid West Medical College in 2010. Dr. Wisthoff holds Colorado license DR.0050751.
NPI and contact details
- NPI
- 1730407321NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012211824
- NPI enumeration date
- May 6, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (970) 624-4443
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Ryan Wisthoff practices at UCHealth Medical Group in Loveland, Colorado
Dr. Wisthoff's primary practice is UCHealth Medical Group, at 2695 Rocky Mountain Ave, Loveland, CO 80538 in Larimer County. The practice phone is (970) 624-4443.
- UCHealth Medical Group2695 Rocky Mountain Ave, Loveland, CO 80538 · Larimer CountyPhone(970) 624-4443
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Ryan Wisthoff is affiliated with 3 sites of care and 1 medical group
Dr. Wisthoff's primary practice is UCHealth Medical Group in Loveland, Colorado. Dr. Wisthoff is also affiliated with UCHealth University of Colorado Hospital. The medical group on file is UCHealth Medical Group. Dmand AI also links Dr. Wisthoff to 1 more hospital, named with a free account.
UCHealth Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Ryan Wisthoff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wisthoff practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth Medical Group | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Ryan Wisthoff is one of 2,952 family medicine physicians in Colorado
Family medicine is Dr. Wisthoff's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Wisthoff is licensed in Colorado.
Specialties and state licenses
- Family medicine, ColoradoPrimary
Family medicine physicians near Dr. Wisthoff
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Ryan Wisthoff billed Medicare for 610 services in 2024
CMS data shows 610 Medicare services from Dr. Wisthoff across 9 procedure codes in 2024, for 114 Medicare patients. Medicare paid $23,644 for them. Every service was in an office.
Medicare services, 2024610
Medicare patients114
Paid by Medicare$23,644
Procedure codes9
Dr. Wisthoff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4072024: 30226%
- Office and hospital visits
- 2023: 1112024: 19979%
- Other services
- 2023: 02024: 73
- Surgery
- 2023: 462024: 3622%
Dr. Wisthoff compared with the Colorado median for family medicine physicians, 2024
- Dr. Wisthoff
- Colorado median
- Medicare services
- 610vs 2722.2 times
- Medicare patients
- 114vs 1248% below
- Part D claims
- 1,500vs 6802.2 times
Medians across 2,975 family medicine physicians in Colorado with Dmand AI profiles that report each measure.
Dr. Wisthoff's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Ryan Wisthoff treated 114 Medicare patients in 2024, average age 70
CMS counts 114 Medicare patients who saw Dr. Wisthoff in 2024. The largest group is 65 to 74, with 59 patients. 64% of them have high blood pressure, and 61% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wisthoff's median patient age at 56, with 43% women.
Medicare patients, 2024114
Average age70
Average risk score1.24
Also on Medicaid21%
Dr. Wisthoff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wisthoff's Medicare patients by sex, 2024
- Women5346%
- Men6154%
Chronic conditions among Dr. Wisthoff's Medicare patients, 2024
- High blood pressure64%
- High cholesterol61%
- Arthritis48%
- Anxiety26%
- Depression25%
- Mood disorders25%
- Ischemic heart disease24%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wisthoff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Ryan Wisthoff wrote 1,990 Medicare Part D claims in 2024
In 2024, Dr. Wisthoff wrote 1,990 Medicare Part D claims for 216 patients. 84% of them were for generic drugs. CMS names the drug for 1,500 of them, across 56 drugs with 11 or more claims each, at $152,327 in total drug cost. In 2023, CMS named 1,076 claims across 48 drugs.
Part D claims, 20241,990
Drugs named by CMS56
Total drug cost$152,327
Part D patients216
Dr. Wisthoff's Part D claims by kind of drug, 2024
- Generic1,677 claims84%
- Brand-name and other313 claims16%
Dr. Wisthoff's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Wisthoff's Part D claims, 2024
- Opioids4%79 of 1,990 claims
- Antibiotics3%55 of 1,990 claims
- Antipsychotics, patients 65 and over1%19 of 1,990 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0762024: 1,50039%
Drugs named by CMS: 56 in 2024, 48 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mark Ryan Wisthoff offers telehealth to Medicare patients
Dr. Wisthoff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wisthoff as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mark Ryan Wisthoff has 2 publications on record
Dmand AI links 2 papers to Dr. Wisthoff, published from 2011 to 2012. The most frequent topics are Breast Neoplasms, Dietary Carbohydrates and Dietary Fats. Dr. Wisthoff's most frequent co-authors are Scot M. Sedlacek, MD and Devchand Paul, DO, PhD.
Papers2
Years published2011 to 2012
Topics Dr. Wisthoff writes about most
- Breast Neoplasms
- Dietary Carbohydrates
- Dietary Fats
- Diet, Reducing
- Obesity
- Survivors
Dr. Wisthoff's most frequent co-authors
Recent publications by Dr. Wisthoff
See who Dr. Wisthoff researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wisthoff works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Ryan Wisthoff received $266 in industry payments from 2016 to 2023
CMS Open Payments shows 15 general payments to Dr. Wisthoff from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Flexion Therapeutics, Inc. paid the most, $101.
General payments to Dr. Wisthoff by program year, 2016 to 2023
Companies that paid Dr. Wisthoff the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Ryan Wisthoff graduated from Mid West Medical College
Dr. Wisthoff graduated from Mid West Medical College in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Ryan Wisthoff's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Ryan Wisthoff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark Ryan Wisthoff's NPI number?
Dr. Mark Ryan Wisthoff's NPI number is 1730407321. It was assigned on May 6, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Ryan Wisthoff?
Dr. Mark Ryan Wisthoff is a family medicine physician in Loveland, Colorado. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mark Ryan Wisthoff practice?
Dr. Wisthoff practices at 2695 Rocky Mountain Ave, Loveland, CO 80538. Dr. Wisthoff's primary practice is UCHealth Medical Group in Loveland, Colorado. Dmand AI also links Dr. Wisthoff to 1 hospital.
What is Dr. Mark Ryan Wisthoff's office phone number?
The practice phone on file for Dr. Wisthoff is (970) 624-4443.
What is Dr. Mark Ryan Wisthoff's medical license number?
Dr. Wisthoff holds Colorado license DR.0050751.
Which hospitals is Dr. Mark Ryan Wisthoff affiliated with?
Dr. Wisthoff is affiliated with UCHealth University of Colorado Hospital. Dmand AI links Dr. Wisthoff to 1 more hospital.
What medical group is Dr. Mark Ryan Wisthoff part of?
Dr. Wisthoff is linked to UCHealth Medical Group.
Does Dr. Mark Ryan Wisthoff accept Medicare?
Yes. CMS data shows Dr. Wisthoff billed Medicare for 610 services in 2024, and Dr. Wisthoff accepts Medicare assignment.
Does Dr. Mark Ryan Wisthoff offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wisthoff as offering telehealth services.
How many Medicare patients does Dr. Mark Ryan Wisthoff see?
CMS counts 114 Medicare patients who saw Dr. Wisthoff in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
What services does Dr. Mark Ryan Wisthoff bill to Medicare?
In 2024, Dr. Wisthoff's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Mark Ryan Wisthoff go to medical school?
Dr. Wisthoff graduated from Mid West Medical College in 2010.
What drugs does Dr. Mark Ryan Wisthoff prescribe most?
In 2024 Medicare Part D data, Dr. Wisthoff's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Mark Ryan Wisthoff received payments from drug or device companies?
CMS Open Payments shows $266 in general payments to Dr. Wisthoff from 7 companies from 2016 to 2023. The largest total came from Flexion Therapeutics, Inc.
How long has Dr. Mark Ryan Wisthoff been practicing?
Dr. Wisthoff graduated from medical school in 2010, 16 years ago.
Does Dr. Mark Ryan Wisthoff do research?
Dmand AI links 2 publications to Dr. Wisthoff, published from 2011 to 2012.
Who does Dr. Mark Ryan Wisthoff publish with?
Dr. Wisthoff's most frequent co-authors are Scot M. Sedlacek, MD (2 shared papers) and Devchand Paul, DO, PhD (1 shared paper).
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