Doctor profile · Federal record

Dr. Richard Dziennik

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Elmira, NY

  • NPI 1689080970
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Washington St
Elmira, NY 149012849
(607) 737-4712
fax (607) 737-9080

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
New York #401726

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689080970. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
117
Distinct HCPCS
2
Medicare allowed
$10,347
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 60 34 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 57 33 $104

In context: peer comparison

Among 5 peers in this city , average services per provider: 57. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,442
Patients
156
Total drug cost
$54,362
Drug Type Claims Patients Total cost
Olanzapine Generic 217 26 $8,028
Sertraline Hcl Generic 189 20 $1,556
Benztropine Mesylate Generic 136 21 $1,836
Fluoxetine Hcl Generic 119 17 $917
Quetiapine Fumarate Generic 97 13 $2,617
Clonazepam Generic 96 18 $782
Haloperidol Decanoate Generic 95 0 $4,914
Divalproex Sodium Er (Divalproex Sodium) Brand 84 14 $8,834
Risperidone Generic 79 12 $878
Aripiprazole Generic 61 0 $4,455

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Dziennik's medical specialty?
Dr. Richard Dziennik practices Psychiatric/Mental Health Nurse Practitioner in Elmira, NY.
Where does Dr. Richard Dziennik practice?
Dr. Richard Dziennik practices at 100 Washington St, Elmira, NY 149012849. Office phone: 6077374712.
What is Dr. Richard Dziennik's NPI?
Dr. Richard Dziennik's National Provider Identifier (NPI) is 1689080970, issued by NPPES.
Does Dr. Richard Dziennik accept Medicare assignment?
Yes. Dr. Richard Dziennik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Dziennik commonly perform?
Top Medicare-reported procedures in 2023: 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.