Doctor profile · Federal record
Dr. Deepak Thiagarajan, MD
Geriatric Medicine (Internal Medicine) Physician (CMS: Hospitalist) · Internal Medicine Physician · Geriatric Medicine (Internal Medicine) Physician · Rancho Cucamonga, CA
- NPI 1205052990
- Accepts Medicare
- 24 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
7974 Haven Ave Ste 210
Rancho Cucamonga, CA 917303052
(909) 881-5994
fax (909) 248-7769 - Mailing address
-
5036 Rodeo RD
Alta Loma, CA 917372408
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- April 4, 2024
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State licenses (3)
- California #A 113059 · Rhode Island #MD12318 · Rhode Island #LP00988
- Medicaid
- RI #DT68425
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205052990. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,186
Distinct HCPCS
10
Medicare allowed
$426,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,516 | 99 | $121 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 592 | 64 | $109 | |
99291 |
Critical care, first 30-74 minutes | 436 | 74 | $216 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 226 | 52 | $157 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 115 | 38 | $76 | |
99497 |
Advance care planning, first 30 minutes | 100 | 67 | $77 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 69 | 13 | $185 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 49 | 43 | $186 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 35 | 12 | $81 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 25 | 23 | $176 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 289. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,595
Patients
350
Total drug cost
$67,330
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 258 | 55 | $2,792 |
| Amlodipine Besylate | Generic | 183 | 32 | $1,316 |
| Eliquis (Apixaban) | Brand | 130 | 19 | $42,579 |
| Gabapentin | Generic | 111 | 23 | $1,983 |
| Furosemide | Generic | 101 | 28 | $692 |
| Carvedilol | Generic | 99 | 25 | $882 |
| Pantoprazole Sodium | Generic | 98 | 24 | $6,981 |
| Sodium Chloride (0.9 % Sodium Chloride) | Brand | 92 | 21 | $2,778 |
| Lisinopril | Generic | 87 | 17 | $605 |
| Levothyroxine Sodium | Generic | 86 | 20 | $1,029 |
Frequently asked questions
What is Dr. Deepak Thiagarajan's medical specialty?
Dr. Deepak Thiagarajan practices Geriatric Medicine (Internal Medicine) Physician in Rancho Cucamonga, CA.
Where does Dr. Deepak Thiagarajan practice?
Dr. Deepak Thiagarajan practices at 7974 Haven Ave Ste 210, Rancho Cucamonga, CA 917303052. Office phone: 9098815994.
What is Dr. Deepak Thiagarajan's NPI?
Dr. Deepak Thiagarajan's National Provider Identifier (NPI) is 1205052990, issued by NPPES.
Does Dr. Deepak Thiagarajan accept Medicare assignment?
Yes. Dr. Deepak Thiagarajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Deepak Thiagarajan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.