Doctor profile · Federal record

Dr. Clarence Dennis, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Hyde Park, MA

  • NPI 1437494267
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1234 Hyde Park Ave, Suite 205
Hyde Park, MA 021362819
(617) 413-6618
fax (617) 333-8229
Mailing address
Po Box 369
Plaistow, NH 038650369

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Profile last updated
November 12, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Massachusetts #274554

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437494267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
689
Distinct HCPCS
3
Medicare allowed
$52,264
HCPCS Description Services Patients Avg allowed
90833 Psychotherapy with evaluation and management visit, 30 minutes 337 41 $62
99213 Established patient office or other outpatient visit, 20-29 minutes 306 36 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 46 20 $119

In context: peer comparison

Among 1 peers in Hyde Park Psychiatric/Mental Health Nurse Practitioner, average services per provider: 229. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$134
Transactions
7
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, INC. 5 $104.50
Otsuka America Pharmaceutical, INC. 2 $29.50

By nature of payment

Food and Beverage
$134

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,043
Patients
38
Total drug cost
$19,312
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 124 15 $1,962
Clonazepam Generic 121 11 $1,474
Quetiapine Fumarate Generic 94 12 $2,471
Fluoxetine Hcl Generic 88 0 $1,166
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 86 0 $2,113
Lorazepam Generic 63 0 $450
Risperidone Generic 62 0 $957
Olanzapine Generic 59 0 $2,414
Divalproex Sodium Generic 56 0 $1,875
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 55 0 $1,210

Frequently asked questions

Auto-generated from federal data
What is Dr. Clarence Dennis's medical specialty?
Dr. Clarence Dennis practices Psychiatric/Mental Health Nurse Practitioner in Hyde Park, MA.
Where does Dr. Clarence Dennis practice?
Dr. Clarence Dennis practices at 1234 Hyde Park Ave, Hyde Park, MA 021362819. Office phone: 6174136618.
What is Dr. Clarence Dennis's NPI?
Dr. Clarence Dennis's National Provider Identifier (NPI) is 1437494267, issued by NPPES.
Does Dr. Clarence Dennis accept Medicare assignment?
Yes. Dr. Clarence Dennis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clarence Dennis commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.