Mary Schlegl, NP
NPI 1336112929 · Family Nurse Practitioner · Quincy, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Schlegl, NP is a Family Nurse Practitioner provider in Quincy, IL (NPI 1336112929).
Provider details
- NPI number
- 1336112929
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 209-003238 (IL)
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 104 | 18 |
| Gabapentin | 97 | 17 |
| Lisinopril | 94 | 21 |
| Trazodone Hcl | 92 | 16 |
| Losartan Potassium | 85 | 20 |
| Quetiapine Fumarate | 79 | 18 |
| Topiramate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 2 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
- 2006-02-13
- Last updated
- 2024-07-15
- Certified
- 2024-07-15
Frequently asked questions
- What is Mary Schlegl's NPI number?
- Mary Schlegl's National Provider Identifier (NPI) is 1336112929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Schlegl's specialty?
- Mary Schlegl is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Schlegl located?
- Mary Schlegl's practice location on file with NPPES is 612 N 11th St, Quincy, IL 62301-2662.
- What is Mary Schlegl's phone number?
- The practice phone number listed in the NPPES registry for Mary Schlegl is (217) 224-9484.
- Does Mary Schlegl accept Medicare?
- Mary Schlegl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Schlegl's NPI active?
- Yes — Mary Schlegl's NPI (1336112929) is active in the NPPES registry as of the last update on 2024-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.