Doctor profile · Federal record
Dr. David Warren, M.D.
Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Mesa, AZ
- NPI 1487947180
- Accepts Medicare
- 15 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
255 W Brown RD
Mesa, AZ 852013404
(480) 985-1093 - Additional location
-
Banner Ironwood Medical Center, 37000 N. Gantzel Road
San Tan Valley, AZ 85140
(480) 543-2034
fax (480) 543-2647 - Mailing address
-
Po Box 20610
Mesa, AZ 852770610
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- June 14, 2023
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State licenses (2)
- Arizona #56226 · Texas #R0341
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487947180. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,787
Distinct HCPCS
10
Medicare allowed
$262,299
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 728 | 112 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 634 | 260 | $76 | |
99497 |
Advance care planning, first 30 minutes | 550 | 117 | $73 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 380 | 109 | $115 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 153 | 52 | $72 | |
99238 |
Hospital discharge day management, 30 minutes or less | 117 | 116 | $78 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 116 | 99 | $176 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 35 | 11 | $148 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 27 | 27 | $168 | |
99497 |
Advance care planning, first 30 minutes | 26 | 11 | $73 |
In context: peer comparison
Among 26 peers in Mesa Hospitalist Physician, average services per provider: 160. This provider delivers 17× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,217
Patients
361
Total drug cost
$58,806
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 136 | 37 | $40,851 |
| Pantoprazole Sodium | Generic | 121 | 32 | $2,771 |
| Amlodipine Besylate | Generic | 117 | 30 | $1,354 |
| Atorvastatin Calcium | Generic | 105 | 39 | $1,854 |
| Gabapentin | Generic | 104 | 31 | $2,219 |
| Furosemide | Generic | 90 | 36 | $531 |
| Trazodone Hcl | Generic | 89 | 24 | $1,438 |
| Sertraline Hcl | Generic | 82 | 19 | $1,015 |
| Levothyroxine Sodium | Generic | 70 | 22 | $904 |
| Quetiapine Fumarate | Generic | 65 | 19 | $1,693 |
Frequently asked questions
What is Dr. David Warren's medical specialty?
Dr. David Warren practices Hospitalist Physician in Mesa, AZ.
Where does Dr. David Warren practice?
Dr. David Warren practices at 255 W Brown RD, Mesa, AZ 852013404. Office phone: 4809851093.
What is Dr. David Warren's NPI?
Dr. David Warren's National Provider Identifier (NPI) is 1487947180, issued by NPPES.
Does Dr. David Warren accept Medicare assignment?
Yes. Dr. David Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Warren commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.