Doctor profile · Federal record
Dr. Andrew de Mar, M.D.
Surgery Physician (CMS: General Surgery) · Surgical Critical Care Physician · Trauma Surgery Physician · Roseville, CA
- NPI 1891716023
- Accepts Medicare
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2 Medical Plaza Dr, Suite 275
Roseville, CA 956613043
(916) 797-7534
fax (916) 797-4712 - Mailing address
-
Po Box 2366
Rocklin, CA 956778366
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 14, 2009
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- California #G58869
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891716023. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
6
Medicare allowed
$46,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 184 | 158 | $81 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 96 | 93 | $133 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $117 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 20 | 20 | $177 | |
47562 |
Removal of gallbladder using an endoscope | 16 | 16 | $662 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 16 | $95 |
In context: peer comparison
Among 9 peers in Roseville Surgery Physician, average services per provider: 57. This provider delivers 6.3× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Microline Surgical INC | 1 | $21.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
14
Total drug cost
$118
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 14 | $118 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew de Mar's medical specialty?
Dr. Andrew de Mar practices Surgery Physician in Roseville, CA.
Where does Dr. Andrew de Mar practice?
Dr. Andrew de Mar practices at 2 Medical Plaza Dr, Roseville, CA 956613043. Office phone: 9167977534.
What is Dr. Andrew de Mar's NPI?
Dr. Andrew de Mar's National Provider Identifier (NPI) is 1891716023, issued by NPPES.
Does Dr. Andrew de Mar accept Medicare assignment?
Yes. Dr. Andrew de Mar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew de Mar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.