Mary E. River, MD
Neurology Physician · Nampa, ID
Mary E. River, MD is a neurology physician with a practice address in Nampa, Idaho, and NPI 1205882743, issued on May 26, 2006. Check the license (Idaho M-8111, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary E. River
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- M-8111 ID
M8111 ID
Self-reported in NPPES; status is on the state search - Practice location
- 4300 E Flamingo Ave, Nampa, ID 83687
- Phone
- (208) 205-1000
- Enumerated
- May 26, 2006
- Record last updated
- Jul 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20260506001308); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1984
- Entity
- Type 1 · individual
Also registered at 4300 E Flamingo Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alison Brenenstall, LMSWSocial Worker1225828536
- Gabelio Carrillo, LMSWClinical Social Worker1497476253
Verify Mary E. River in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M-8111Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average neurology physician in 2024
2,540 Medicare Part D claims for 381 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Gabapentin268 claims
- Memantine Hcl182 claims
- Topiramate172 claims
- Baclofen145 claims
- Levetiracetam141 claims
- Lamotrigine135 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: $287.90
9 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Saint Alphonsus Regional Medical Center IncBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurology Physician providers in Idaho
There are 64 neurology physician records in Idaho.
Other neurology physician records in Idaho
- Kylie AbeMeridian, ID1609238823
- Stephen Asher, MDMeridian, ID1871523373
- Barry Bergen, MDCottonwood, ID1538165592
- Jane Bigelow, MDBoise, ID1043715782
- Kelly Block, DOBoise, ID1740786631
- Nina Bozinov, M.D.Coeur D Alene, ID1508286188
- Kenneth Brait, MDKetchum, ID1699716936
- Michah Brasseur, M.D.Coeur D Alene, ID1174796981
- Charles Britt, MDCoeur D Alene, ID1154497279
- Yee Kuang Cheng, MDBoise, ID1255828893
Common questions
What is Mary E. River, MD's NPI number?
Mary E. River, MD's National Provider Identifier (NPI) is 1205882743, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary E. River, MD located?
The NPPES record lists a practice address at 4300 E Flamingo Ave, Nampa, ID, 83687. Phone: (208) 205-1000. Providers update this record themselves, so call before visiting.
How can I verify Mary E. River, MD's license?
NPPES lists Idaho license number M-8111, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary E. River, MD prescribe under Medicare Part D?
In 2024, Mary E. River, MD had 2,540 Medicare Part D claims for 381 beneficiaries; the average among neurology physician prescribers was 1,370. 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.