Doctor profile · Federal record
Dr. Colleen Johnson, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Pleasanton, CA
- NPI 1720079049
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 25 yrs in practice
- Female
- No sanctions
Practice & contact
- Primary practice
-
5555 W Las Positas Blvd
Pleasanton, CA 945884000
(209) 342-2300
fax (209) 524-4240 - Mailing address
-
4301 North Star Way
Modesto, CA 95356
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A81584
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720079049. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
499
Distinct HCPCS
5
Medicare allowed
$63,942
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 196 | 190 | $188 | |
93042 |
Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 154 | 150 | $7 | |
99284 |
Emergency department visit with moderate level of medical decision making | 63 | 63 | $130 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 57 | 56 | $194 | |
99291 |
Critical care, first 30-74 minutes | 29 | 29 | $233 |
In context: peer comparison
Among 10 peers in Pleasanton Emergency Medicine Physician, average services per provider: 93. This provider delivers 5.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
61
Patients
61
Total drug cost
$519
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 19 | 19 | $132 |
| Cephalexin | Generic | 15 | 15 | $120 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 14 | 14 | $203 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 13 | $63 |
Frequently asked questions
What is Dr. Colleen Johnson's medical specialty?
Dr. Colleen Johnson practices Emergency Medicine Physician in Pleasanton, CA.
Where does Dr. Colleen Johnson practice?
Dr. Colleen Johnson practices at 5555 W Las Positas Blvd, Pleasanton, CA 945884000. Office phone: 2093422300.
What is Dr. Colleen Johnson's NPI?
Dr. Colleen Johnson's National Provider Identifier (NPI) is 1720079049, issued by NPPES.
Does Dr. Colleen Johnson accept Medicare assignment?
Yes. Dr. Colleen Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colleen Johnson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.