Christien Olewniczak, NURSE PRACTITIONER
NPI 1609498658 · Family Nurse Practitioner · Lancaster, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christien Olewniczak, NURSE PRACTITIONER is a Family Nurse Practitioner provider in Lancaster, NY (NPI 1609498658).
Provider details
- NPI number
- 1609498658
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- No
- License
- F345430-01 (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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,040 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 611 | $86 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 278 | $59 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 74 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $74 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 23 | $105 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 298 | 47 |
| Alprazolam | 280 | 56 |
| Quetiapine Fumarate | 242 | 43 |
| Sertraline Hcl | 181 | 31 |
| Buspirone Hcl | 140 | 27 |
| Trazodone Hcl | 131 | 29 |
| Mirtazapine | 123 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,582 across 120 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-13
- Last updated
- 2023-07-14
- Certified
- 2023-07-14
Frequently asked questions
- What is Christien Olewniczak's NPI number?
- Christien Olewniczak's National Provider Identifier (NPI) is 1609498658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christien Olewniczak's specialty?
- Christien Olewniczak is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christien Olewniczak located?
- Christien Olewniczak's practice location on file with NPPES is 3592 Walden Ave Apt 3, Lancaster, NY 14086-1267.
- What is Christien Olewniczak's phone number?
- The practice phone number listed in the NPPES registry for Christien Olewniczak is (716) 572-5946.
- Does Christien Olewniczak accept Medicare?
- Christien Olewniczak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christien Olewniczak's NPI active?
- Yes — Christien Olewniczak's NPI (1609498658) is active in the NPPES registry as of the last update on 2023-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.