Ryan V. Cantwell, MD
Internal Medicine Physician · Marietta, GA
Ryan V. Cantwell, MD is an internal medicine physician with a practice address in Marietta, Georgia, and NPI 1023007457, issued on Oct 18, 2005. Check the license (Georgia 048762, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ryan V. Cantwell
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 048762 GA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Kennestone Hospital Blvd, Marietta, GA 30060
- Phone
- (770) 427-2457
- Enumerated
- Oct 18, 2005
- Record last updated
- Feb 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (770) 427-2706
- Medicare enrollment
- Enrolled (PECOS I20080228000059); accepts Medicare assignment
- Medical or professional school
- Morehouse School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 320 Kennestone Hospital Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan V. Cantwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 048762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
10,960 Medicare Part D claims for 1,169 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 186 claims were for opioids.
Most prescribed
- Atorvastatin Calcium712 claims
- Rosuvastatin Calcium677 claims
- Levothyroxine Sodium564 claims
- Amlodipine Besylate496 claims
- Lisinopril436 claims
- Losartan Potassium406 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): 92.9 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: $1,790.07
76 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Wellstar Medical Group LLCMarietta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan V. Cantwell among 3,911 internal medicine physician records in Georgia
Ryan V. Cantwell, MD is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1997 · median 2005 among the 2,535 with a school on file
- Record last updated2014 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 internal medicine physician records list a practice address in Marietta
They are 122 of the 6,900 NPPES records with a practice address in Marietta, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Marietta → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jackson Bates, MDMarietta, GA 300601144210451
- Jerome Blumenthal, MDMarietta, GA 300601518957844
- David Cantrell, MDMarietta, GA 300601467425124
- Charles Crabbe, MDMarietta, GA 300601891784229
- John Gelly, MDMarietta, GA 300601851381164
- Richard Griffith, MDMarietta, GA 300601528050838
- Van Hill, MDMarietta, GA 300601881677334
- Allen Hoffman, M.D.Marietta, GA 300601083606396
Common questions
What is Ryan V. Cantwell, MD's NPI number?
Ryan V. Cantwell, MD's National Provider Identifier (NPI) is 1023007457, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ryan V. Cantwell, MD located?
The NPPES record lists a practice address at 320 Kennestone Hospital Blvd, Marietta, GA, 30060. Phone: (770) 427-2457. Providers update this record themselves, so call before visiting.
How can I verify Ryan V. Cantwell, MD's license?
NPPES lists Georgia license number 048762, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan V. Cantwell, MD prescribe under Medicare Part D?
In 2024, Ryan V. Cantwell, MD had 10,960 Medicare Part D claims for 1,169 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ryan V. Cantwell, MD's MIPS final score?
The 2023 MIPS final score is 92.9 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.