Doctor profile · Federal record
Dr. Sean Marker, MD
Psychiatry Physician (CMS: Psychiatry) · Dorchester Center, MA
- NPI 1104852011
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2100 Dorchester Ave, 4 South
Dorchester Center, MA 021245615
(617) 296-4000 - Mailing address
-
29 Cumberland St, Unit #4
Boston, MA 021155313
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Massachusetts #214158
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104852011. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
83
Distinct HCPCS
2
Medicare allowed
$6,386
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 48 | 17 | $62 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 35 | 21 | $98 |
In context: peer comparison
Among 1 peers in Dorchester Center Psychiatry Physician, average services per provider: 41. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$135
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Neurocrine Biosciences, INC. | 3 | $67.35 | |
| Abbvie INC. | 2 | $41.34 | |
| Ironshore Pharmaceuticals INC. | 1 | $16.85 | |
| Corium, LLC | 1 | $9.56 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,292
Patients
156
Total drug cost
$33,768
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sertraline Hcl | Generic | 221 | 45 | $2,212 |
| Mirtazapine | Generic | 170 | 31 | $2,451 |
| Prazosin Hcl | Generic | 166 | 25 | $9,309 |
| Gabapentin | Generic | 103 | 18 | $1,580 |
| Quetiapine Fumarate | Generic | 86 | 12 | $1,528 |
| Risperidone | Generic | 74 | 11 | $988 |
| Venlafaxine Hcl ER (Venlafaxine Hcl) | Brand | 72 | 0 | $1,867 |
| Trazodone Hcl | Generic | 69 | 14 | $1,043 |
| Aripiprazole | Generic | 62 | 0 | $8,921 |
| Clonazepam | Generic | 56 | 0 | $256 |
Hospital affiliations
Frequently asked questions
What is Dr. Sean Marker's medical specialty?
Dr. Sean Marker practices Psychiatry Physician in Dorchester Center, MA.
Where does Dr. Sean Marker practice?
Dr. Sean Marker practices at 2100 Dorchester Ave, Dorchester Center, MA 021245615. Office phone: 6172964000.
What is Dr. Sean Marker's NPI?
Dr. Sean Marker's National Provider Identifier (NPI) is 1104852011, issued by NPPES.
Does Dr. Sean Marker accept Medicare assignment?
Yes. Dr. Sean Marker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Marker commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.