Holly Shirley, N.P.
NPI 1851645469 · Nurse Practitioner · Maryville, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Shirley, N.P. is a Nurse Practitioner provider in Maryville, IL (NPI 1851645469).
Provider details
- NPI number
- 1851645469
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 041457619 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
403 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $108 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 73 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 64 | $77 |
| Hemoglobin A1c Level83036 | 36 | $10 |
| Automated Urinalysis Test81003 | 26 | $2 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
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 |
|---|---|---|
| Lisinopril | 228 | 65 |
| Atorvastatin Calcium | 212 | 53 |
| Amlodipine Besylate | 180 | 47 |
| Losartan Potassium | 125 | 35 |
| Hydrochlorothiazide | 118 | 31 |
| Levothyroxine Sodium | 115 | 30 |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$621 across 35 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
- 2012-11-05
- Last updated
- 2022-01-05
- Certified
- 2022-01-05
Frequently asked questions
- What is Holly Shirley's NPI number?
- Holly Shirley's National Provider Identifier (NPI) is 1851645469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Shirley's specialty?
- Holly Shirley is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holly Shirley located?
- Holly Shirley's practice location on file with NPPES is 2401 S Center St, Maryville, IL 62062-5401.
- What is Holly Shirley's phone number?
- The practice phone number listed in the NPPES registry for Holly Shirley is (618) 344-3046.
- Does Holly Shirley accept Medicare?
- Holly Shirley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Shirley's NPI active?
- Yes — Holly Shirley's NPI (1851645469) is active in the NPPES registry as of the last update on 2022-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.