Doctor profile · Federal record

Dr. Christien Olewniczak, Nurse Practitioner

Family Nurse Practitioner (CMS: Nurse Practitioner) · Lancaster, NY

  • NPI 1609498658
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3592 Walden Ave Apt 3
Lancaster, NY 140861267
(716) 572-5946

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
July 14, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #F345430-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609498658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,002
Distinct HCPCS
10
Medicare allowed
$82,327
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 499 149 $86
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 175 91 $61
99214 Established patient office or other outpatient visit, 30-39 minutes 119 35 $104
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 56 34 $125
G0317 Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualifi 54 32 $25
99213 Established patient office or other outpatient visit, 20-29 minutes 28 22 $74
99442 Telephone medical discussion with physician, 11-20 minutes 22 15 $74
99316 Nursing facility discharge management, more than 30 minutes 21 21 $107
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 16 12 $69
99497 Advance care planning, first 30 minutes 12 12 $68

In context: peer comparison

Among 2 peers in Lancaster Family Nurse Practitioner, average services per provider: 94. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,582
Transactions
115
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Vanda Pharmaceuticals INC. 21 $633.93
Abbvie INC. 33 $503.37
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 11 $414.19
Otsuka America Pharmaceutical, INC. 5 $372.07
Teva Pharmaceuticals USA, INC. 16 $239.33
Alkermes, INC. 3 $228.02
Axsome Therapeutics, INC. 2 $224.95
Phathom Pharmaceuticals, INC. 2 $221.44
AstraZeneca Pharmaceuticals Lp 4 $203.31
GlaxoSmithKline, LLC. 8 $139.26
Otsuka Pharmaceutical Development & Commercialization, INC. 1 $100.00
Lilly USA, LLC 2 $85.20
Exact Sciences Corporation 3 $60.39
Noven Therapeutics, LLC 2 $33.42
Currax Pharmaceuticals LLC 2 $29.99

By nature of payment

Food and Beverage
$3,570
Education
$12

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,045
Patients
303
Total drug cost
$61,789
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 273 40 $9,688
Clonazepam Generic 246 37 $4,035
Alprazolam Generic 183 35 $5,041
Mirtazapine Generic 137 25 $1,919
Lamotrigine Generic 129 16 $2,772
Sertraline Hcl Generic 125 14 $2,160
Escitalopram Oxalate Generic 124 20 $2,176
Buspirone Hcl Generic 123 14 $1,991
Bupropion Xl (Bupropion Hcl) Brand 121 19 $7,114
Fluoxetine Hcl Generic 116 15 $2,062

Frequently asked questions

Auto-generated from federal data
What is Dr. Christien Olewniczak's medical specialty?
Dr. Christien Olewniczak practices Family Nurse Practitioner in Lancaster, NY.
Where does Dr. Christien Olewniczak practice?
Dr. Christien Olewniczak practices at 3592 Walden Ave Apt 3, Lancaster, NY 140861267. Office phone: 7165725946.
What is Dr. Christien Olewniczak's NPI?
Dr. Christien Olewniczak's National Provider Identifier (NPI) is 1609498658, issued by NPPES.
Does Dr. Christien Olewniczak accept Medicare assignment?
Yes. Dr. Christien Olewniczak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christien Olewniczak commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.