NPPES file of Aug 9, 2026

Katherine Riva, M.D.

Addiction Psychiatry Physician · Denver, CO

Katherine Riva, M.D. is an addiction psychiatry physician with a practice address in Denver, Colorado, and NPI 1013336452, issued on Apr 14, 2014. Check the license (Colorado DR.0059949, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013336452
Name
Katherine Riva
Credential
M.D.
Primary taxonomy
Addiction Psychiatry Physician 2084P0802X
License number
DR.0059949 CO
Self-reported in NPPES; status is on the state search
Practice location
777 Bannock St, Denver, CO 80204
Phone
(303) 724-6019
Enumerated
Apr 14, 2014
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191127000692); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 777 Bannock St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eric Aaltonen, M.D.Vascular & Interventional Radiology Physician1538340344
  2. Sarah Abbott, LCSWClinical Social Worker1326519042
  3. Ejaaz Abdulkabir, CNMAdvanced Practice Midwife1710551783
  4. Miren Aboitiz, NP-CWomen's Health Nurse Practitioner1568862282
  5. Edgar Acosta, MSWClinical Social Worker1467900381
  6. Shanie Adaime, RDHDental Hygienist1083318554

Verify Katherine Riva in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0059949    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

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79% fewer Medicare Part D claims than the average addiction psychiatry physician in 2024

152 Medicare Part D claims for 30 beneficiaries, against an average of 716 among the 421 providers of this specialty who prescribed in Part D.

  1. Katherine Riva152
  2. Specialty average716

Most prescribed

  1. Buprenorphine-Naloxone29 claims
  2. Gabapentin24 claims
  3. Naltrexone Hcl19 claims
  4. Varenicline Tartrate12 claims
  5. Bupropion Xl11 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

  1. Southern California Permanente Medical GroupLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Addiction Psychiatry Physician providers in Colorado

There are 16 addiction psychiatry physician records in Colorado.

All 16 in Colorado → Every provider in Denver →

Other addiction psychiatry physician records in Colorado

  1. Shaweta Babbar, M.D.Denver, CO1720304264
  2. Elizabeth Bhargava, MDBoulder, CO1568541993
  3. Dayan Colon-Sanchez, M.D.Littleton, CO1851683387
  4. Martin Hinrichs, MDDenver, CO1902331432
  5. Ruth Huhn, MDAurora, CO1356634323
  6. Jane Kennedy, D.O.Denver, CO1336205137
  7. Scott McClure, MDColorado Springs, CO1700938289
  8. Maria McGrane, MDLakewood, CO1801956982
  9. Alexis Ritvo, MD MPHAurora, CO1891051090
  10. Jonathan Ritvo, M.D.Denver, CO1376516252

Common questions

What is Katherine Riva, M.D.'s NPI number?

Katherine Riva, M.D.'s National Provider Identifier (NPI) is 1013336452, issued on Apr 14, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Riva, M.D. located?

The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 724-6019. Providers update this record themselves, so call before visiting.

How can I verify Katherine Riva, M.D.'s license?

NPPES lists Colorado license number DR.0059949, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Riva, M.D. prescribe under Medicare Part D?

In 2024, Katherine Riva, M.D. had 152 Medicare Part D claims for 30 beneficiaries; the average among addiction psychiatry physician prescribers was 716. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.