Dr. David Ryan Markes, DO
- Medicare services, 2024
- 358
- Medicare patients, 2024
- 109
- Part D claims, 2024
- 4,071
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Practice address
- 100 S Bliss Avenue, Tahlequah, OK 74464
- Practice phone
- Call (918) 458-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Markes' professional email, personal email and mobile number
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Dr. David Ryan Markes is a family medicine physician in Tahlequah, Oklahoma
Dr. Markes practices at Cherokee Nation W. W. Hastings Hospital in Tahlequah, Oklahoma, part of Cherokee Nation.
Dr. Markes' NPI, 1154985869, was assigned on April 28, 2019. Dr. Markes graduated from Oklahoma State University College of Osteopathic Medicine in 2019. Dr. Markes holds Oklahoma license 7070.
- NPI
- 1154985869NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941620405
- NPI enumeration date
- April 28, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (918) 458-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Ryan Markes practices at Cherokee Nation W. W. Hastings Hospital in Tahlequah, Oklahoma
Dr. Markes' primary practice is Cherokee Nation W. W. Hastings Hospital, at 100 S Bliss Avenue, Tahlequah, OK 74464 in Cherokee County. The practice phone is (918) 458-3100.
- Cherokee Nation W. W. Hastings Hospital100 S Bliss Avenue, Tahlequah, OK 74464 · Cherokee CountyPhone(918) 458-3100
Source: Dmand AI Affiliation Data
Dr. David Ryan Markes is affiliated with 2 sites of care and 1 medical group
Dr. Markes' primary practice is Cherokee Nation W. W. Hastings Hospital in Tahlequah, Oklahoma, part of Cherokee Nation. The medical group on file is Redbird Smith Health Center. Dmand AI also links Dr. Markes to 1 more home health agency, named with a free account. Dr. Markes' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Ryan Markes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markes practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cherokee Nation W. W. Hastings Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cherokee Nation and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David Ryan Markes is one of 1,964 family medicine physicians in Oklahoma
Family medicine is Dr. Markes' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Markes is licensed in Oklahoma.
Specialties and state licenses
- Family medicine, OklahomaPrimary
Family medicine physicians near Dr. Markes
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. David Ryan Markes billed Medicare for 358 services in 2024
CMS data shows 358 Medicare services from Dr. Markes across 3 procedure codes in 2024, for 109 Medicare patients. Medicare paid $14,837 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Markes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5912024: 20465%
- Other services
- 2023: 02024: 154
Dr. Markes compared with the Oklahoma median for family medicine physicians, 2024
- Dr. Markes
- Oklahoma median
- Medicare services
- 358vs 49528% below
- Medicare patients
- 109vs 17437% below
- Part D claims
- 3,754vs 1,1973.1 times
Medians across 1,938 family medicine physicians in Oklahoma with Dmand AI profiles that report each measure.
Dr. Markes' 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. David Ryan Markes treated 109 Medicare patients in 2024, average age 74
CMS counts 109 Medicare patients who saw Dr. Markes in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Markes' median patient age at 47, with 70% women.
Dr. Markes' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Markes' Medicare patients by sex, 2024
- Women6761%
- Men4239%
Chronic conditions among Dr. Markes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Arthritis44%
- Chronic kidney disease34%
- Ischemic heart disease24%
- Mood disorders22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Markes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women70%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Ryan Markes wrote 4,071 Medicare Part D claims in 2024
In 2024, Dr. Markes wrote 4,071 Medicare Part D claims for 170 patients. 78% of them were for generic drugs. CMS names the drug for 3,754 of them, across 75 drugs with 11 or more claims each, at $348,159 in total drug cost. In 2023, CMS named 4,312 claims across 83 drugs.
Dr. Markes' Part D claims by kind of drug, 2024
- Generic3,178 claims78%
- Brand-name859 claims21%
- Other34 claims1%
Dr. Markes' 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. Markes' Part D claims, 2024
- Opioids1%45 of 4,071 claims
- Antibiotics1%26 of 4,071 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: 4,3122024: 3,75413%
Drugs named by CMS: 75 in 2024, 83 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. David Ryan Markes scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Markes for performance year 2024, reported as part of a group. Dr. Markes accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Markes' MIPS scores, performance year 2024
- 85of 100Final score
- 72.8of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. David Ryan Markes graduated from Oklahoma State University College of Osteopathic Medicine
Dr. Markes graduated from Oklahoma State University College of Osteopathic Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Ryan Markes'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Clinician Public Reporting: Overall MIPS Performance (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. David Ryan Markes
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. David Ryan Markes' NPI number?
Dr. David Ryan Markes' NPI number is 1154985869. It was assigned on April 28, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. David Ryan Markes?
Dr. David Ryan Markes is a family medicine physician in Tahlequah, Oklahoma. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David Ryan Markes practice?
Dr. Markes practices at 100 S Bliss Avenue, Tahlequah, OK 74464. Dr. Markes' primary practice is Cherokee Nation W. W. Hastings Hospital in Tahlequah, Oklahoma, part of Cherokee Nation. Dmand AI also links Dr. Markes to 1 home health agency.
What is Dr. David Ryan Markes' office phone number?
The practice phone on file for Dr. Markes is (918) 458-3100.
What is Dr. David Ryan Markes' medical license number?
Dr. Markes holds Oklahoma license 7070.
Which hospitals is Dr. David Ryan Markes affiliated with?
Dr. Markes practices at Cherokee Nation W. W. Hastings Hospital in Tahlequah, Oklahoma.
What medical group is Dr. David Ryan Markes part of?
Dr. Markes is linked to Redbird Smith Health Center.
Does Dr. David Ryan Markes accept Medicare?
Yes. CMS data shows Dr. Markes billed Medicare for 358 services in 2024, and Dr. Markes accepts Medicare assignment.
What is Dr. David Ryan Markes' MIPS score?
Dr. Markes' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. David Ryan Markes see?
CMS counts 109 Medicare patients who saw Dr. Markes in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. David Ryan Markes bill to Medicare?
In 2024, Dr. Markes' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
Where did Dr. David Ryan Markes go to medical school?
Dr. Markes graduated from Oklahoma State University College of Osteopathic Medicine in 2019.
What drugs does Dr. David Ryan Markes prescribe most?
In 2024 Medicare Part D data, Dr. Markes' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Omeprazole.
How long has Dr. David Ryan Markes been practicing?
Dr. Markes graduated from medical school in 2019, 7 years ago.
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