Doctor profile · Federal record
Dr. Ryan Cantwell, MD
Internal Medicine Physician (CMS: Internal Medicine) · Marietta, GA
- NPI 1023007457
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
320 Kennestone Hospital Blvd, Suite 201
Marietta, GA 300601161
(770) 427-2457
fax (770) 427-2706
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- February 19, 2014
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Georgia #048762
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023007457. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,607
Distinct HCPCS
10
Medicare allowed
$178,517
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 478 | 362 | $127 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 453 | 453 | $130 | |
G0008 |
Administration of influenza virus vaccine | 140 | 139 | $31 | |
90662 |
Influenza vaccine split virus, preservative free | 137 | 136 | $72 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 95 | 95 | $167 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 73 | 68 | $90 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 55 | 55 | $281 | |
G0009 |
Administration of pneumococcal vaccine | 55 | 55 | $31 | |
96372 |
Injection of drug or substance under skin or into muscle | 42 | 12 | $13 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 24 | 24 | $15 |
In context: peer comparison
Among 38 peers in Marietta Internal Medicine Physician, average services per provider: 105. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$1,790
Transactions
69
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 6 | $406.48 | |
| Amgen INC. | 12 | $197.54 | |
| Lilly USA, LLC | 9 | $153.53 | |
| Novo Nordisk INC | 7 | $128.54 | |
| Inspire Medical Systems, INC. | 1 | $100.70 | |
| Astellas Pharma US INC | 3 | $91.16 | |
| Pfizer INC. | 6 | $88.09 | |
| Sumitomo Pharma America, INC. | 5 | $82.83 | |
| GlaxoSmithKline, LLC. | 5 | $80.51 | |
| Abbvie INC. | 2 | $67.51 | |
| Sanofi-Aventis U.S. LLC | 3 | $66.30 | |
| Novartis Pharmaceuticals Corporation | 3 | $61.46 | |
| Exact Sciences Corporation | 3 | $51.77 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $46.63 | |
| Bayer Healthcare Pharmaceuticals INC. | 2 | $36.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,078
Patients
1,635
Total drug cost
$56,442
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 722 | 227 | $9,388 |
| Rosuvastatin Calcium | Generic | 587 | 195 | $9,303 |
| Levothyroxine Sodium | Generic | 572 | 168 | $7,875 |
| Amlodipine Besylate | Generic | 479 | 161 | $3,456 |
| Lisinopril | Generic | 424 | 143 | $3,244 |
| Losartan Potassium | Generic | 390 | 138 | $4,996 |
| Metformin Hcl | Generic | 293 | 103 | $2,437 |
| Alprazolam | Generic | 223 | 53 | $719 |
| Tramadol Hcl | Generic | 213 | 46 | $1,381 |
| Pravastatin Sodium | Generic | 209 | 72 | $2,971 |
Hospital affiliations
Frequently asked questions
What is Dr. Ryan Cantwell's medical specialty?
Dr. Ryan Cantwell practices Internal Medicine Physician in Marietta, GA.
Where does Dr. Ryan Cantwell practice?
Dr. Ryan Cantwell practices at 320 Kennestone Hospital Blvd, Marietta, GA 300601161. Office phone: 7704272457.
What is Dr. Ryan Cantwell's NPI?
Dr. Ryan Cantwell's National Provider Identifier (NPI) is 1023007457, issued by NPPES.
Does Dr. Ryan Cantwell accept Medicare assignment?
Yes. Dr. Ryan Cantwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Cantwell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.