Ryan Michael Whitaker, MD
Radiation Oncology Physician · Dickson, TN
Ryan Michael Whitaker, MD is a radiation oncology physician with a practice address in Dickson, Tennessee, and NPI 1194266304, issued on Mar 20, 2017. Check the license (Tennessee 58544, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ryan Michael Whitaker
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 58544 TN
Self-reported in NPPES; status is on the state search - Practice location
- 105 Natchez Park Dr, Dickson, TN 37055
- Phone
- (615) 326-3000
- Enumerated
- Mar 20, 2017
- Record last updated
- Sep 16, 2025
- Fax
- (615) 326-3031
- Medicare enrollment
- Enrolled (PECOS I20220715001863); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 132 in Tennessee → Look up another NPI →
Also registered at 105 Natchez Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arthur Collie, M.D.Radiation Oncology Physician1467442210
Verify Ryan Michael Whitaker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 58544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average radiation oncology physician in 2024
140 Medicare Part D claims for 50 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 19 claims were for opioids.
Most prescribed
- Ondansetron Odt14 claims
- Oxycodone Hcl14 claims
- Dexamethasone12 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): 97.1 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).
Industry payments in 2024: $217.18
3 payments; by number, the most common kind was food and beverage; the largest payer was RefleXion Medical, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tennessee Oncology PLLCDickson, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Michael Whitaker among 132 radiation oncology physician records in Tennessee
Ryan Michael Whitaker, MD is one of 132 radiation oncology physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2017 · median 2005 among the 98 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Tennessee
There are 132 radiation oncology physician records in Tennessee.
All 132 in Tennessee → Every provider in Dickson → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Arthur Collie, M.D.Dickson, TN 370551467442210
- Jeffrey Friedman, M.D., PH.D.Gallatin, TN 370661235427220
- Chase EscottFranklin, TN 370671659735298
- Steven Goertz, M.D.Franklin, TN 370671295826535
- Ishita Chen, MDHermitage, TN 370761235669227
- Brad Cohen, MDHermitage, TN 370761366510794
- Maura Campbell, M.D.Lebanon, TN 370871831202803
- Adam Hubler, MDLebanon, TN 370901720668874
Common questions
What is Ryan Michael Whitaker, MD's NPI number?
Ryan Michael Whitaker, MD's National Provider Identifier (NPI) is 1194266304, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Michael Whitaker, MD located?
The NPPES record lists a practice address at 105 Natchez Park Dr, Dickson, TN, 37055. Phone: (615) 326-3000. Providers update this record themselves, so call before visiting.
How can I verify Ryan Michael Whitaker, MD's license?
NPPES lists Tennessee license number 58544, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Michael Whitaker, MD prescribe under Medicare Part D?
In 2024, Ryan Michael Whitaker, MD had 140 Medicare Part D claims for 50 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Ryan Michael Whitaker, MD's MIPS final score?
The 2023 MIPS final score is 97.1 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.