James Joseph Dalla Riva, M.D.
Obstetrics & Gynecology Physician · Maryville, IL
James Joseph Dalla Riva, M.D. is an obstetrics & gynecology physician with a practice address in Maryville, Illinois, and NPI 1215040415, issued on Aug 15, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James Joseph Dalla Riva
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- Practice location
- 6810 State Route 162, Maryville, IL 62062
- Phone
- (618) 288-5699
- Enumerated
- Aug 15, 2006
- Record last updated
- May 10, 2024
- Fax
- (618) 288-5797
- Medicaid ID
- 0360879061 IL
- Medicare enrollment
- Enrolled (PECOS I20081211000784); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1994
- Entity
- Type 1 · individual
Also registered at 6810 State Route 162
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Joseph Dalla Riva 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
4.0 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
663 Medicare Part D claims for 178 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Estradiol124 claims
- Alendronate Sodium53 claims
- Nitrofurantoin Mono-Macro26 claims
- Valacyclovir26 claims
- Clobetasol Propionate23 claims
- Premarin21 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.
Industry payments in 2024: $1,004.62
56 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- James J Dalla Riva MD PCMaryville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
6 obstetrics & gynecology physician records list a practice address in Maryville
They are 6 of the 414 NPPES records with a practice address in Maryville, and 2,062 obstetrics & gynecology physician records in Illinois.
All 6 in Maryville → All 2,062 in Illinois → Every provider in Maryville →
Other obstetrics & gynecology physician records in Illinois
- Anum Abbasi, MDChicago, IL1679063010
- Diane Abdel-Barry, M.D.Chicago, IL1508205808
- Rana Abdul-Khalek, MDRoscoe, IL1275768087
- Idries Abdur-Rahman, M.D.Ottawa, IL1891727236
- Jamil Abdur-Rahman, M.D.Gurnee, IL1710914189
- Bassel Abouzeid, MDPeoria, IL1376160846
- Ashley Abraham, M.D.Arlington Heights, IL1457615742
- Iris Abrahantes Morales, MDChicago, IL1164155164
- Fidel Abrego, MDChicago, IL1245351824
- Bayan AbunarAurora, IL1972063220
Common questions
What is James Joseph Dalla Riva, M.D.'s NPI number?
James Joseph Dalla Riva, M.D.'s National Provider Identifier (NPI) is 1215040415, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Joseph Dalla Riva, M.D. located?
The NPPES record lists a practice address at 6810 State Route 162, Maryville, IL, 62062. Phone: (618) 288-5699. Providers update this record themselves, so call before visiting.
How can I verify James Joseph Dalla Riva, M.D.'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 James Joseph Dalla Riva, M.D. prescribe under Medicare Part D?
In 2024, James Joseph Dalla Riva, M.D. had 663 Medicare Part D claims for 178 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.