Doctor profile · Federal record
Dr. Christopher Warren, DO
Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Fort Defiance, AZ
- NPI 1720647761
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Corner of Route N12 and N7
Fort Defiance, AZ 86504
(928) 729-8000 - Mailing address
-
Po Box 649
Fort Defiance, AZ 865040649
Credentials & registration
- NPI registered
- June 2019 — 7 yrs on file
- Profile last updated
- November 9, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #20A20282
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720647761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
218
Distinct HCPCS
5
Medicare allowed
$16,711
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99238 |
Hospital discharge day management, 30 minutes or less | 66 | 63 | $78 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 57 | 31 | $77 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 54 | 29 | $48 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 24 | $126 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 13 | 12 | $81 |
In context: peer comparison
Among 5 peers in Fort Defiance Family Medicine Physician, average services per provider: 97. This provider delivers 2.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$442
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 13 | 0 | $442 |
Frequently asked questions
What is Dr. Christopher Warren's medical specialty?
Dr. Christopher Warren practices Family Medicine Physician in Fort Defiance, AZ.
Where does Dr. Christopher Warren practice?
Dr. Christopher Warren practices at Corner of Route N12 and N7, Fort Defiance, AZ 86504. Office phone: 9287298000.
What is Dr. Christopher Warren's NPI?
Dr. Christopher Warren's National Provider Identifier (NPI) is 1720647761, issued by NPPES.
Does Dr. Christopher Warren accept Medicare assignment?
Yes. Dr. Christopher Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Warren commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99238); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.