Ryan Parker, NP-C
NPI 1912478231 · Nurse Practitioner · Maryville, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Parker, NP-C is a Nurse Practitioner provider in Maryville, IL (NPI 1912478231).
Provider details
- NPI number
- 1912478231
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 209.018533 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
7 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
392 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 | 229 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 108 | $75 |
| Smoking and Tobacco Use Intensive Counseling, 4-10 Minutes99406 | 27 | $12 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 14 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 14 | $150 |
Typical Medicare-allowed amounts for these services range $12–$150 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 379 | 149 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 354 | 70 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 202 | 46 |
| Montelukast Sodium | 191 | 52 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 178 | 42 |
| Roflumilast | 153 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,091 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
- 2018-12-14
- Last updated
- 2019-06-11
Frequently asked questions
- What is Ryan Parker's NPI number?
- Ryan Parker's National Provider Identifier (NPI) is 1912478231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Parker's specialty?
- Ryan Parker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Parker located?
- Ryan Parker's practice location on file with NPPES is 6812 State Route 162 Ste 202, Maryville, IL 62062-8562.
- What is Ryan Parker's phone number?
- The practice phone number listed in the NPPES registry for Ryan Parker is (618) 288-6844.
- Does Ryan Parker accept Medicare?
- Ryan Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Parker's NPI active?
- Yes — Ryan Parker's NPI (1912478231) is active in the NPPES registry as of the last update on 2019-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.