Doctor profile · Federal record
Dr. Ajay Toppur Ramanakumar, M.D
Internal Medicine Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Stockton, CA
- NPI 1659539153
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 24 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
415 E Harding Way, Suite D
Stockton, CA 952046118
(209) 944-5750
fax (209) 464-2684
Credentials & registration
- NPI registered
- May 2008 — 18 yrs on file
- Profile last updated
- July 17, 2013
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Pennsylvania #MT185553 · California #A124907
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659539153. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13,313
Distinct HCPCS
10
Medicare allowed
$1,539,681
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 2,178 | 410 | $65 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 1,770 | 383 | $49 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,657 | 1,020 | $133 | |
J2785 |
Injection, regadenoson, 0.1 mg | 768 | 191 | $56 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 733 | 130 | $54 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 728 | 127 | $51 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 399 | 387 | $210 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 332 | 302 | $15 | |
A9555 |
Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries | 310 | 154 | $521 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 309 | 149 | $121 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 189. This provider delivers 70× the peer median.Open Payments
Industry payments received
All-time total
$1,597
Transactions
18
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 6 | $1,390.27 | |
| E.R. Squibb & Sons, L.L.C. | 5 | $80.35 | |
| Merck Sharp & Dohme LLC | 2 | $44.28 | |
| PFIZER INC. | 2 | $37.10 | |
| Lexicon Pharmaceuticals, Inc. | 1 | $17.53 | |
| Actelion Pharmaceuticals US, Inc. | 1 | $13.75 | |
| Amgen Inc. | 1 | $13.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
7,034
Patients
2,312
Total drug cost
$1,001,266
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,189 | 385 | $22,778 |
| Metoprolol Succinate | Generic | 957 | 294 | $21,860 |
| Eliquis (Apixaban) | Brand | 651 | 186 | $867,120 |
| Losartan Potassium | Generic | 553 | 176 | $8,775 |
| Ezetimibe | Generic | 511 | 168 | $25,547 |
| Rosuvastatin Calcium | Generic | 485 | 175 | $15,264 |
| Amlodipine Besylate | Generic | 431 | 149 | $4,767 |
| Carvedilol | Generic | 416 | 133 | $7,001 |
| Lisinopril | Generic | 373 | 120 | $6,616 |
| Furosemide | Generic | 314 | 125 | $2,586 |
Hospital affiliations
Frequently asked questions
What is Dr. Ajay Toppur Ramanakumar's medical specialty?
Dr. Ajay Toppur Ramanakumar practices Internal Medicine Physician in Stockton, CA.
Where does Dr. Ajay Toppur Ramanakumar practice?
Dr. Ajay Toppur Ramanakumar practices at 415 E Harding Way, Stockton, CA 952046118. Office phone: 2099445750.
What is Dr. Ajay Toppur Ramanakumar's NPI?
Dr. Ajay Toppur Ramanakumar's National Provider Identifier (NPI) is 1659539153, issued by NPPES.
Does Dr. Ajay Toppur Ramanakumar accept Medicare assignment?
Yes. Dr. Ajay Toppur Ramanakumar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajay Toppur Ramanakumar commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.