Louis J. Riley, MD
Nephrology Physician · Elmira, NY
Louis J. Riley, MD is a nephrology physician with a practice address in Elmira, New York, and NPI 1720139983, issued on Jan 15, 2007. Check the license (New York 235016, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Louis J. Riley
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 235016 NY
Self-reported in NPPES; status is on the state search - Practice location
- 200 Madison Ave FL 3, Elmira, NY 14901
- Phone
- (607) 734-1581
- Enumerated
- Jan 15, 2007
- Record last updated
- Feb 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (607) 734-0972
- Medicaid ID
- 02647336 NY
- Medicare enrollment
- Enrolled (PECOS I20050617000443); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1977
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,049 in New York → Look up another NPI →
Also registered at 200 Madison Ave FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shilpa Akula, MDInternal Medicine Physician1578003430
- Melissa Brand, FNPFamily Nurse Practitioner1669035325
- Jerod Buell, DOFamily Medicine Physician1295230514
- Thomas Coss, RPA-CPhysician Assistant1356440473
- Winifred HinmanRegistered Nurse1326568098
- Keith Parker, MDInternal Medicine Physician1114020237
Verify Louis J. Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 235016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
20 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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): 81.3 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).
One hospital affiliation
- Arnot Ogden Medical CenterElmira, NY · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Louis J. Riley among 1,049 nephrology physician records in New York
Louis J. Riley, MD is one of 1,049 nephrology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 39% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1977 · median 1999 among the 764 with a school on file
- Record last updated2021 · 64% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in New York
There are 1,049 nephrology physician records in New York.
All 1,049 in New York → Every provider in Elmira → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Mohamed Atwaibi, M.DElmira, NY 149011558590067
- Bruce Becker, MDElmira, NY 149011326037227
- Mohammad Parvez, MDElmira, NY 149011518064104
- Luis Tapia, M.D.Elmira, NY 149011396826244
- Ibrahim Katerji, M.D.Elmira, NY 149051922240084
- Robert Hesson, MDIthaca, NY 148501912960790
- Gayatri Jayaraman, MDIthaca, NY 148501942439690
- Faris Kamal, MDIthaca, NY 148501255951745
Common questions
What is Louis J. Riley, MD's NPI number?
Louis J. Riley, MD's National Provider Identifier (NPI) is 1720139983, issued on Jan 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Louis J. Riley, MD located?
The NPPES record lists a practice address at 200 Madison Ave FL 3, Elmira, NY, 14901. Phone: (607) 734-1581. Providers update this record themselves, so call before visiting.
How can I verify Louis J. Riley, MD's license?
NPPES lists New York license number 235016, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Louis J. Riley, MD prescribe under Medicare Part D?
In 2024, Louis J. Riley, MD had 20 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Louis J. Riley, MD's MIPS final score?
The 2023 MIPS final score is 81.3 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.