Ryan Cantwell, MD
Internal Medicine Physician · Marietta, GA
Ryan 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 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
- Entity
- Type 1 · individual
Also registered at 320 Kennestone Hospital Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheree Brown, M.D.Internal Medicine Physician1629085881
- Sarah Burzynski, MS, CGCGenetic Counselor (M.S.)1508479825
- David Cantrell, MDInternal Medicine Physician1467425124
- Charles Crabbe, MDInternal Medicine Physician1891784229
- Spencer FavorGenetic Counselor (M.S.)1891679718
- Karen Ferguson, PACPhysician Assistant1760527253
Verify Ryan 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
3.9 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 2,785 among the 127,794 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 Medicare quality score for 2023: 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, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Wellstar Medical Group LLCMarietta, GA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
185 internal medicine physician records list a Marietta practice address
They are 185 of the 6,900 NPPES records with a Marietta practice address, and 4,653 internal medicine physician records in Georgia.
All 185 in Marietta → All 4,653 in Georgia → Every provider in Marietta →
Other internal medicine physician records in Georgia
- Karam A.alabed, MDRome, GA1871410969
- Ugochi Abazie, M.DRiverdale, GA1700634870
- Muhammad Abbasi, M.D.Covington, GA1962496893
- Rahat AbbasiAugusta, GA1578057261
- Diane Abby Burr, D.O.Carrollton, GA1255374278
- Bsmah Abdalslam, M.DAustell, GA1598013492
- Eltigani Abdelhai, MDGainesville, GA1538233531
- Maged Abdelmalik, M.D.Folkston, GA1770558470
- Mohammed Abdu, MDAtlanta, GA1760696520
- Maher Abdulla, M.D.Warner Robins, GA1316997489
Common questions
What is Ryan Cantwell, MD's NPI number?
Ryan 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 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 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 Cantwell, MD prescribe under Medicare Part D?
In 2024, Ryan Cantwell, MD had 10,960 Medicare Part D claims for 1,169 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Ryan Cantwell, MD's Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.