Doctor profile · Federal record
Dr. Sean Maroney, M.D.
Surgery Physician (CMS: General Surgery) · Surgery Physician · Colon & Rectal Surgery Physician · Colon & Rectal Surgery Physician · Larkspur, CA
- NPI 1487881983
- 17 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5 Bon Air RD Ste 101
Larkspur, CA 949391134
(415) 924-2515
fax (415) 924-2661 - Additional location
-
123 Summer St Ste 210
Worcester, MA 016081216
(508) 368-3190
fax (508) 368-3193
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- February 21, 2024
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State licenses (2)
- California #A135520 · Massachusetts #282539
- Medicaid
- MA #110163034A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487881983. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
181
Distinct HCPCS
8
Medicare allowed
$17,772
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $166 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 30 | 28 | $5 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 23 | 22 | $92 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 22 | 22 | $112 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 22 | 21 | $50 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 21 | 11 | $80 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $131 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 11 | 11 | $184 |
In context: peer comparison
Among 3 peers in Larkspur Surgery Physician, average services per provider: 37. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$898
Transactions
12
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 5 | $726.39 | |
| Medtronic, INC. | 3 | $75.78 | |
| Biotissue Holdings INC. | 1 | $31.93 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $23.90 | |
| Laborie Medical Technologies Corp. | 1 | $23.25 | |
| Ethicon US, LLC | 1 | $16.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
133
Patients
93
Total drug cost
$2,570
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 57 | 55 | $1,050 |
| Oxycodone Hcl | Generic | 32 | 26 | $134 |
| Loperamide (Loperamide Hcl) | Brand | 21 | 0 | $386 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 12 | 12 | $969 |
| Tramadol Hcl | Generic | 11 | 0 | $31 |
Hospital affiliations
Frequently asked questions
What is Dr. Sean Maroney's medical specialty?
Dr. Sean Maroney practices Surgery Physician in Larkspur, CA.
Where does Dr. Sean Maroney practice?
Dr. Sean Maroney practices at 5 Bon Air RD Ste 101, Larkspur, CA 949391134. Office phone: 4159242515.
What is Dr. Sean Maroney's NPI?
Dr. Sean Maroney's National Provider Identifier (NPI) is 1487881983, issued by NPPES.
Does Dr. Sean Maroney accept Medicare assignment?
Dr. Sean Maroney does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Sean Maroney commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.