Merry C. Downer, M.D.
Nephrology Physician · Springfield, IL
Merry C. Downer, M.D. is a nephrology physician with a practice address in Springfield, Illinois, and NPI 1518054121, issued on Oct 6, 2006. Check the license (Illinois 036-083440, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Merry C. Downer
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 036-083440 IL
Self-reported in NPPES; status is on the state search - Practice location
- 350 W Carpenter St, Springfield, IL 62702
- Phone
- (217) 528-7541
- Enumerated
- Oct 6, 2006
- Record last updated
- May 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 572 in Illinois → Look up another NPI →
Also registered at 350 W Carpenter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bhavani Adusumilli, MDNephrology Physician1568792604
- Edwilyn Colwell, APRNFamily Nurse Practitioner1538642533
- Terra Curtis, NPFamily Nurse Practitioner1215434550
- Nicholas Fenwick, APRNFamily Nurse Practitioner1154082808
- Kristen Ferguson, M.D.Emergency Medicine Physician1750308227
- Janice FloydAdult Health Nurse Practitioner1942661954
Verify Merry C. Downer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-083440Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $59,750.00
22 payments; by number, the most common kind was consulting fee; the largest payer was Csl Plasma Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Merry C. Downer among 572 nephrology physician records in Illinois
Merry C. Downer, M.D. is one of 572 nephrology physician records with a practice address in Illinois. 87% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2020 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Illinois
There are 572 nephrology physician records in Illinois.
All 572 in Illinois → Every provider in Springfield → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Bhavani Adusumilli, MDSpringfield, IL 627021568792604
- Nicolas Forero, M.D.Springfield, IL 627021740264365
- Ahmad Mohamad, M.DSpringfield, IL 627021891071007
- Richa Pandey, MDSpringfield, IL 627021922312834
- Bradford West, M.D.Springfield, IL 627021194969170
- Aileen Zhen, DOSpringfield, IL 627021174985998
- Vikrampal Bhatti, MDSpringfield, IL 627111861431165
- Xueguang Chen, MDSpringfield, IL 627111730243015
Common questions
What is Merry C. Downer, M.D.'s NPI number?
Merry C. Downer, M.D.'s National Provider Identifier (NPI) is 1518054121, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Merry C. Downer, M.D. located?
The NPPES record lists a practice address at 350 W Carpenter St, Springfield, IL, 62702. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify Merry C. Downer, M.D.'s license?
NPPES lists Illinois license number 036-083440, as entered by the provider. 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.
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.