Doctor profile · Federal record
Dr. Robert Marshall
Medical Physician Assistant (CMS: Physician Assistant) · Oroville, CA
- NPI 1841696515
- Accepts Medicare
- 11 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2450 Oro Dam Blvd E
Oroville, CA 959666052
(530) 712-2310 - Additional location
-
1621 W Imola Ave
Napa, CA 945594721
(707) 358-6781 - Mailing address
-
3264 Oak Farm Ln
Santa Rosa, CA 954014046
Credentials & registration
- NPI registered
- November 2014 — 12 yrs on file
- Profile last updated
- February 11, 2022
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- California #PA52853
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841696515. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
71
Distinct HCPCS
3
Medicare allowed
$5,911
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 39 | 37 | $72 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 16 | 16 | $87 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $107 |
In context: peer comparison
Among 1 peers in Oroville Medical Physician Assistant, average services per provider: 23. This provider delivers 3.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
191
Patients
189
Total drug cost
$1,955
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 54 | 54 | $513 |
| Doxycycline Monohydrate | Generic | 48 | 48 | $468 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 20 | 20 | $137 |
| Prednisone | Generic | 17 | 17 | $123 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 13 | 11 | $228 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $177 |
| Doxycycline Hyclate | Generic | 13 | 13 | $209 |
| Triamcinolone Acetonide | Generic | 13 | 13 | $102 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Marshall's medical specialty?
Dr. Robert Marshall practices Medical Physician Assistant in Oroville, CA.
Where does Dr. Robert Marshall practice?
Dr. Robert Marshall practices at 2450 Oro Dam Blvd E, Oroville, CA 959666052. Office phone: 5307122310.
What is Dr. Robert Marshall's NPI?
Dr. Robert Marshall's National Provider Identifier (NPI) is 1841696515, issued by NPPES.
Does Dr. Robert Marshall accept Medicare assignment?
Yes. Dr. Robert Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Marshall commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.