Heather Knowles, APN-BC ACNP
NPI 1922244045 · Acute Care Nurse Practitioner · Mount Vernon, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Knowles, APN-BC ACNP is a Acute Care Nurse Practitioner provider in Mount Vernon, IL (NPI 1922244045).
Provider details
- NPI number
- 1922244045
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN-BC ACNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209007400 (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
17 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
2,224 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) |
|---|---|---|
| Urinalysis, Manual Test81002 | 957 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 467 | $74 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 368 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 290 | $103 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 82 | $137 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 397 | 120 |
| Finasteride | 287 | 89 |
| Solifenacin Succinate | 231 | 62 |
| Cephalexin | 192 | 75 |
| Vibegronbrand: Gemtesa | 154 | 42 |
| Estradiol | 105 | 78 |
| Mirabegronbrand: Myrbetriq | 83 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$945 across 52 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
- 2008-12-18
- Last updated
- 2026-03-12
- Certified
- 2026-03-12
Frequently asked questions
- What is Heather Knowles's NPI number?
- Heather Knowles's National Provider Identifier (NPI) is 1922244045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Knowles's specialty?
- Heather Knowles is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heather Knowles located?
- Heather Knowles's practice location on file with NPPES is 4109 S Water Tower Pl, Mount Vernon, IL 62864-6293.
- What is Heather Knowles's phone number?
- The practice phone number listed in the NPPES registry for Heather Knowles is (618) 244-4060.
- Does Heather Knowles accept Medicare?
- Heather Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Knowles's NPI active?
- Yes — Heather Knowles's NPI (1922244045) is active in the NPPES registry as of the last update on 2026-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.