Mary C. Littlejohn, APN
Nurse Practitioner · Belleville, IL
Mary C. Littlejohn, APN is a nurse practitioner with a practice address in Belleville, Illinois, and NPI 1255779955, issued on Jun 5, 2013. Check the license (Illinois 209010179, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary C. Littlejohn
- Credential
- APN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209010179 IL
Self-reported in NPPES; status is on the state search - Practice location
- 130 Lincoln Court Place, Belleville, IL 62221
- Phone
- (618) 257-2029
- Enumerated
- Jun 5, 2013
- Record last updated
- Sep 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (618) 235-5371
- Medicare enrollment
- Enrolled (PECOS I20140421000127); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Verify Mary C. Littlejohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209010179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average nurse practitioner in 2024
391 Medicare Part D claims for 140 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Furosemide23 claims
- Hydrocodone-Acetaminophen16 claims
- Quetiapine Fumarate15 claims
- Atorvastatin Calcium14 claims
- Eliquis14 claims
- Escitalopram Oxalate14 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): 90.8 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).
Bills Medicare through one group practice
- Cep America-Illinois Hospitalists, LLPAlton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary C. Littlejohn among 4,892 nurse practitioner records in Illinois
Mary C. Littlejohn, APN 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 2013, is newer than 25% of them.
- NPI issued2013 · 25% of these records are older, 72% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2018 among the 3,389 with a school on file
- Record last updated2017 · 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).
45 nurse practitioner records list a practice address in Belleville
They are 45 of the 1,404 NPPES records with a practice address in Belleville, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Belleville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Susan Keller, APN,Belleville, IL 622211598736514
- Pamela O'Neal, NPBelleville, IL 622211013238260
- Dimi Resch, NPBelleville, IL 622211417591173
- Lynlee Barnhart, NPBelleville, IL 622201417326430
- Phyllis Gabbart, APRNBelleville, IL 622201396834438
- Angela Burns, MSN, FNP-CBelleville, IL 622231992339279
- Ashley McIntyre, FNP-CBelleville, IL 622231184077232
- Jessica Morgan, APNScott Afb, IL 622251134190432
Common questions
What is Mary C. Littlejohn, APN's NPI number?
Mary C. Littlejohn, APN's National Provider Identifier (NPI) is 1255779955, issued on Jun 5, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mary C. Littlejohn, APN located?
The NPPES record lists a practice address at 130 Lincoln Court Place, Belleville, IL, 62221. Phone: (618) 257-2029. Providers update this record themselves, so call before visiting.
How can I verify Mary C. Littlejohn, APN's license?
NPPES lists Illinois license number 209010179, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mary C. Littlejohn, APN prescribe under Medicare Part D?
In 2024, Mary C. Littlejohn, APN had 391 Medicare Part D claims for 140 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mary C. Littlejohn, APN's MIPS final score?
The 2023 MIPS final score is 90.8 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.