Shannon Messerges, NP-C
NPI 1528430725 · Family Nurse Practitioner · Naperville, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Messerges, NP-C is a Family Nurse Practitioner provider in Naperville, IL (NPI 1528430725).
Provider details
- NPI number
- 1528430725
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 209013438 (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 tenure25% of score
10 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
350 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 129 | $62 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $112 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 70 | $158 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 36 | $79 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 17 | $167 |
Typical Medicare-allowed amounts for these services range $62–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buspirone Hcl | 62 | 15 |
| Gabapentin | 60 | 19 |
| Alprazolam | 49 | 13 |
| Bupropion Hclbrand: Bupropion Xl | 42 | 11 |
| Quetiapine Fumarate | 39 | 12 |
| Sertraline Hcl | 37 | 11 |
| Clonazepam | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,645 across 38 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
- 2015-10-27
- Last updated
- 2023-05-24
- Certified
- 2023-05-24
Frequently asked questions
- What is Shannon Messerges's NPI number?
- Shannon Messerges's National Provider Identifier (NPI) is 1528430725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Messerges's specialty?
- Shannon Messerges is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shannon Messerges located?
- Shannon Messerges's practice location on file with NPPES is 640 S Washington St Ste 180, Naperville, IL 60540-6775.
- What is Shannon Messerges's phone number?
- The practice phone number listed in the NPPES registry for Shannon Messerges is (815) 942-6323.
- Does Shannon Messerges accept Medicare?
- Shannon Messerges is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Messerges's NPI active?
- Yes — Shannon Messerges's NPI (1528430725) is active in the NPPES registry as of the last update on 2023-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.