MR. CLARENCE T DENNIS (PMHNP-BC) – Psychiatric/Mental Health Nurse Practitioner, NPI 1437494267
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,971 NURSE PRACTITIONER in MA
Provider Addresses for MR. CLARENCE T DENNIS (PMHNP-BC)
1234 HYDE PARK AVE
SUITE 205
HYDE PARK, MA 021362819
Phone: (617) 413-6618
Fax: (617) 333-8229
Type: Location
1611 CAMBRIDGE ST
CAMBRIDGE, MA 021384302
Phone: (617) 661-5515
Fax: (617) 661-5182
Type: Mailing
PO BOX 369
PLAISTOW, NH 038650369
Phone: (617) 661-5515
Fax: (617) 661-5182
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $670.
Total Amount is formed as General ($670) + Research ($0) + Ownership ($0) = $670.
Last reported payment date: 2024-07-18 • Largest payer in this snapshot: Neurocrine BioSciences, Inc. ($296).
Total Amount
$670
General + Research + Ownership
Payments
25
Total payment records
General Amount
$670
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Neurocrine BioSciences, Inc. | $296 |
| Otsuka America Pharmaceutical, Inc. | $189 |
| Neurocrine BioSciences Inc. | $105 |
| ABBVIE INC. | $81 |
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: 2013-07-19
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 |
|---|---|---|---|---|
| I20130719000012 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 337 | 41 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 306 | 36 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 46 | 20 | $0 |
Insurance plans in this area (ZIP 02136)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NURSE PRACTITIONER | MA | 90792 | Psychiatric diagnostic evaluation with medical services | 131 | 126 |
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