DR. SEAN PATRICK MARKER (MD) – Psychiatry Physician, NPI 1104852011
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,743 PSYCHIATRY in MA
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Provider Addresses for DR. SEAN PATRICK MARKER (MD)
29, Cumberland Street, Back Bay, Boston, Suffolk County, Massachusetts, 02199, United States
UNIT #4
BOSTON, MA 021155313
Phone: (617) 266-6149
Type: Mailing
Carney Hospital, 2100, Dorchester Avenue, Lower Mills, Boston, Suffolk County, Massachusetts, 02124, United States
4 SOUTH
DORCHESTER CENTER, MA 021245615
Phone: (617) 296-4000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $171.
Total Amount is formed as General ($171) + Research ($0) + Ownership ($0) = $171.
Last reported payment date: 2024-11-07 • Largest payer in this snapshot: Neurocrine BioSciences Inc. ($67).
Total Amount
$171
General + Research + Ownership
Payments
9
Total payment records
General Amount
$171
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-03-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160310001863 | I | Psychiatry | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90834 | Psychotherapy, 45 minutes | 48 | 17 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 35 | 21 | $0 |
Insurance plans in this area (ZIP 02115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | DC | |
| - | MA | |
| Certified Clinical Nurse Specialist (Cns) | MA | |
| O P T O M E T R Y | NH | |
| Nurse Practitioner | MA | |
| Certified Clinical Nurse Specialist (Cns) | MA | |
| Certified Nurse Midwife (Cnm) | MA | |
| Certified Nurse Midwife (Cnm) | MA | |
| D E R M A T O L O G Y | MA | |
| Internal Medicine | MA |
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