Molly Jo Nelsen, D.O.
Family Medicine Physician · Belleville, IL
Molly Jo Nelsen, D.O. is a family medicine physician with a practice address in Belleville, Illinois, and NPI 1437243581, issued on Oct 3, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Molly Jo Nelsen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 2009033144 MO
02003066A IN
Self-reported in NPPES; status is on the state search - Practice location
- 180 S 3RD St Ste 300, Belleville, IL 62220
- Phone
- (618) 256-7311
- Enumerated
- Oct 3, 2006
- Record last updated
- Aug 1, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101015000636); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 180 S 3RD St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Abdul-Aziz, MDCardiovascular Disease Physician1114906005
- Hatim Mahmood, M.D.Cardiovascular Disease Physician1174556583
Verify Molly Jo Nelsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average family medicine physician in 2024
3,184 Medicare Part D claims for 265 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 103 claims were for opioids.
Most prescribed
- Atorvastatin Calcium238 claims
- Amlodipine Besylate114 claims
- Levothyroxine Sodium112 claims
- Lisinopril96 claims
- Gabapentin82 claims
- Famotidine75 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.
Bills Medicare through one group practice
- County OF St Louis Division OF Fiscal ManagementSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Molly Jo Nelsen among 6,215 family medicine physician records in Illinois
Molly Jo Nelsen, D.O. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2006 among the 3,714 with a school on file
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Belleville
They are 36 of the 1,404 NPPES records with a practice address in Belleville, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Belleville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wallace Abel, MDBelleville, IL 622201003808858
- Sabha Cheema, MDBelleville, IL 622201407110539
- Douglas Despain, MDBelleville, IL 622201275525024
- Armida Hidalgo, M.D.Belleville, IL 622201376863779
- Brett Nance, D.O.Belleville, IL 622201144515610
- Catherine Noble, M.D.Belleville, IL 622201245331651
- David Oneill, DOBelleville, IL 622201922092394
- Adam Ruley, M.D.Belleville, IL 622201285921767
Common questions
What is Molly Jo Nelsen, D.O.'s NPI number?
Molly Jo Nelsen, D.O.'s National Provider Identifier (NPI) is 1437243581, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Molly Jo Nelsen, D.O. located?
The NPPES record lists a practice address at 180 S 3RD St Ste 300, Belleville, IL, 62220. Phone: (618) 256-7311. Providers update this record themselves, so call before visiting.
How can I verify Molly Jo Nelsen, D.O.'s license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Molly Jo Nelsen, D.O. prescribe under Medicare Part D?
In 2024, Molly Jo Nelsen, D.O. had 3,184 Medicare Part D claims for 265 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.