Doctor profile · Federal record
Dr. Christina Warner, DO
Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Portsmouth, NH
- NPI 1982145801
- Accepts Medicare
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
333 Borthwick Ave
Portsmouth, NH 038017128
(603) 436-5110 - Additional location
-
200 Mullins Dr
Lebanon, OR 973553983
(774) 364-2392 - Mailing address
-
204 Rockland St
Portsmouth, NH 038015151
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- July 26, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- New Hampshire #19420
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982145801. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
566
Distinct HCPCS
5
Medicare allowed
$78,513
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 241 | 237 | $173 | |
99284 |
Emergency department visit with moderate level of medical decision making | 206 | 198 | $119 | |
99283 |
Emergency department visit with low level of medical decision making | 46 | 46 | $71 | |
99291 |
Critical care, first 30-74 minutes | 41 | 41 | $211 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 32 | 31 | $8 |
In context: peer comparison
Among 6 peers in Portsmouth Emergency Medicine Physician, average services per provider: 88. This provider delivers 6.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
60
Patients
59
Total drug cost
$632
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 18 | 18 | $375 |
| Prednisone | Generic | 18 | 17 | $42 |
| Oxycodone Hcl | Generic | 13 | 13 | $61 |
| Doxycycline Hyclate | Generic | 11 | 11 | $154 |
Hospital affiliations
Frequently asked questions
What is Dr. Christina Warner's medical specialty?
Dr. Christina Warner practices Emergency Medicine Physician in Portsmouth, NH.
Where does Dr. Christina Warner practice?
Dr. Christina Warner practices at 333 Borthwick Ave, Portsmouth, NH 038017128. Office phone: 6034365110.
What is Dr. Christina Warner's NPI?
Dr. Christina Warner's National Provider Identifier (NPI) is 1982145801, issued by NPPES.
Does Dr. Christina Warner accept Medicare assignment?
Yes. Dr. Christina Warner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christina Warner commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.