Mary Lou Olszewski, CRNP
NPI 1962904896 · Family Nurse Practitioner · Erie, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Lou Olszewski, CRNP is a Family Nurse Practitioner provider in Erie, PA (NPI 1962904896).
Provider details
- NPI number
- 1962904896
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- SP019166 (PA)
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
8 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
199 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $75 |
| Pelvic Exam99459 | 34 | $18 |
| Insertion of Temporary Bladder Tube51701 | 32 | $36 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 27 | $46 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 18 | $106 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirabegronbrand: Myrbetriq | 301 | 82 |
| Estradiol | 250 | 158 |
| Vibegronbrand: Gemtesa | 143 | 51 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 106 | 79 |
| Clobetasol Propionate | 66 | 47 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 57 | 46 |
| Methenamine Hippurate | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$577 across 17 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
- 2018-03-07
- Last updated
- 2020-10-05
- Certified
- 2020-10-05
Frequently asked questions
- What is Mary Lou Olszewski's NPI number?
- Mary Lou Olszewski's National Provider Identifier (NPI) is 1962904896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lou Olszewski's specialty?
- Mary Lou Olszewski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Lou Olszewski located?
- Mary Lou Olszewski's practice location on file with NPPES is 311 W 24th St Ste 101, Erie, PA 16502-2668.
- What is Mary Lou Olszewski's phone number?
- The practice phone number listed in the NPPES registry for Mary Lou Olszewski is (814) 452-4214.
- Does Mary Lou Olszewski accept Medicare?
- Mary Lou Olszewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Lou Olszewski's NPI active?
- Yes — Mary Lou Olszewski's NPI (1962904896) is active in the NPPES registry as of the last update on 2020-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.