Ryan Parker, NP-C
Nurse Practitioner · Maryville, IL
Ryan Parker, NP-C is a nurse practitioner with a practice address in Maryville, Illinois, and NPI 1912478231, issued on Dec 14, 2018. Check the license (Illinois 209.018533, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Parker
- Credential
- NP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209.018533 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6812 State Route 162 Ste 202, Maryville, IL 62062
- Phone
- (618) 288-6844
- Enumerated
- Dec 14, 2018
- Record last updated
- Jun 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190613000270); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 6812 State Route 162 Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalie Ritzheimer, PAPhysician Assistant1356821383
- Michael Walter, MDCritical Care Medicine (Internal Medicine) Physician1629096359
Verify Ryan Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.018533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average nurse practitioner in 2024
2,885 Medicare Part D claims for 504 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Albuterol Sulfate Hfa379 claims
- Trelegy Ellipta354 claims
- Anoro Ellipta202 claims
- Montelukast Sodium191 claims
- Breztri Aerosphere178 claims
- Roflumilast153 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,090.78
35 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Anderson Medical Group LLCMaryville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Parker among 4,892 nurse practitioner records in Illinois
Ryan Parker, NP-C is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.
- NPI issued2018 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2018 among the 3,389 with a school on file
- Record last updated2019 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 nurse practitioner records list a practice address in Maryville
They are 13 of the 414 NPPES records with a practice address in Maryville, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Maryville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Katherine Burnley, ANP-CMaryville, IL 620621013397967
- Courtney GarrisonMaryville, IL 620621619833290
- Tara Hilmes, NPMaryville, IL 620621275064768
- Joseph Huber, NPMaryville, IL 620621477148443
- Randi Hummel, APNMaryville, IL 620621386005635
- David Johnson, ANPMaryville, IL 620621477742047
- Christy Kay, ANPMaryville, IL 620621487209045
- Kristen Kreher, NPMaryville, IL 620621477957827
Common questions
What is Ryan Parker, NP-C's NPI number?
Ryan Parker, NP-C's National Provider Identifier (NPI) is 1912478231, issued on Dec 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Parker, NP-C located?
The NPPES record lists a practice address at 6812 State Route 162 Ste 202, Maryville, IL, 62062. Phone: (618) 288-6844. Providers update this record themselves, so call before visiting.
How can I verify Ryan Parker, NP-C's license?
NPPES lists Illinois license number 209.018533, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan Parker, NP-C prescribe under Medicare Part D?
In 2024, Ryan Parker, NP-C had 2,885 Medicare Part D claims for 504 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Ryan Parker, NP-C's MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.