Doctor profile · Federal record
Dr. Duncan Johnston
Emergency Medical Services (Emergency Medicine) Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Sacramento, CA
- NPI 1669770574
- Accepts Medicare
- MIPS 89.7 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4610 X St
Sacramento, CA 958172200
(530) 848-8552
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- November 8, 2023
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207PE0004X — NUCC code
- State license (1)
- California #A140788
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669770574. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,059
Distinct HCPCS
5
Medicare allowed
$128,265
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 423 | 401 | $177 | |
99284 |
Emergency department visit with moderate level of medical decision making | 321 | 302 | $122 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 227 | 211 | $8 | |
99283 |
Emergency department visit with low level of medical decision making | 47 | 45 | $73 | |
99291 |
Critical care, first 30-74 minutes | 41 | 40 | $218 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 181. This provider delivers 5.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
269
Patients
267
Total drug cost
$3,003
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 43 | 43 | $288 |
| Cephalexin | Generic | 37 | 36 | $433 |
| Doxycycline Monohydrate | Generic | 37 | 37 | $573 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 37 | 37 | $172 |
| Cefdinir | Generic | 36 | 35 | $1,104 |
| Prednisone | Generic | 33 | 33 | $91 |
| Naproxen | Generic | 21 | 21 | $81 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $138 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 12 | 12 | $125 |
Frequently asked questions
What is Dr. Duncan Johnston's medical specialty?
Dr. Duncan Johnston practices Emergency Medical Services (Emergency Medicine) Physician in Sacramento, CA.
Where does Dr. Duncan Johnston practice?
Dr. Duncan Johnston practices at 4610 X St, Sacramento, CA 958172200. Office phone: 5308488552.
What is Dr. Duncan Johnston's NPI?
Dr. Duncan Johnston's National Provider Identifier (NPI) is 1669770574, issued by NPPES.
Does Dr. Duncan Johnston accept Medicare assignment?
Yes. Dr. Duncan Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Duncan Johnston 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.