Richard Dziennik
NPI 1689080970 · Psychiatric/Mental Health Nurse Practitioner · Elmira, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Dziennik is a Psychiatric/Mental Health Nurse Practitioner provider in Elmira, NY (NPI 1689080970).
Provider details
- NPI number
- 1689080970
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 401726 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
81 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $103 |
Typical Medicare-allowed amounts for these services range $73–$103 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 293 | 27 |
| Sertraline Hcl | 266 | 31 |
| Quetiapine Fumarate | 165 | 19 |
| Lorazepam | 154 | 28 |
| Clonazepam | 151 | 22 |
| Fluoxetine Hcl | 144 | 15 |
| Benztropine Mesylate | 140 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-08
- Last updated
- 2014-07-08
Frequently asked questions
- What is Richard Dziennik's NPI number?
- Richard Dziennik's National Provider Identifier (NPI) is 1689080970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Dziennik's specialty?
- Richard Dziennik is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Richard Dziennik located?
- Richard Dziennik's practice location on file with NPPES is 100 Washington St, Elmira, NY 14901-2849.
- What is Richard Dziennik's phone number?
- The practice phone number listed in the NPPES registry for Richard Dziennik is (607) 737-4712.
- Does Richard Dziennik accept Medicare?
- Richard Dziennik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Dziennik's NPI active?
- Yes — Richard Dziennik's NPI (1689080970) is active in the NPPES registry as of the last update on 2014-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.