NPPES file of Aug 9, 2026

Roy Sidney Lowenstein, M.D.

Psychoanalyst · Denver, CO

Roy Sidney Lowenstein, M.D. is a psychoanalyst with a practice address in Denver, Colorado, and NPI 1548489180, issued on Apr 24, 2007. Check the license (Colorado 17545, as entered in NPPES) with the Colorado board that licenses this profession; 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
1548489180
Name
Roy Sidney Lowenstein
Credential
M.D.
Primary taxonomy
Psychoanalyst 102L00000X
License number
17545 CO
Self-reported in NPPES; status is on the state search
Practice location
650 S Cherry St, Denver, CO 80246
Phone
(303) 333-2111
Enumerated
Apr 24, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(303) 377-3849
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychoanalyst records → All 27 in Colorado → Look up another NPI →

Also registered at 650 S Cherry St

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

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  4. Rock Navarkal, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1073703484
  5. William Niederhut, M.D.Psychiatry Physician1982639084
  6. Cheryl Ristig, M.D.Psychiatry Physician1457408817

Verify Roy Sidney Lowenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license 17545    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
Find the Colorado license search

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53% fewer Medicare Part D claims than the average psychoanalyst in 2024

27 Medicare Part D claims, against an average of 57 among the 21 providers of this specialty who prescribed in Part D.

  1. Roy Lowenstein27
  2. Specialty average57

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.

Roy Sidney Lowenstein among 27 psychoanalyst records in Colorado

Roy Sidney Lowenstein, M.D. is one of 27 psychoanalyst records with a practice address in Colorado. 4% 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 0% of them.

  • NPI issued2007 · 0% of these records are older, 81% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2007 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 102L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychoanalyst providers in Colorado

There are 27 psychoanalyst records in Colorado.

All 27 in Colorado → Every provider in Denver → Psychoanalyst nationwide →

The 8 psychoanalyst records with the nearest ZIP codes

  1. Ann Sartori, PSY.D.Denver, CO 802311174748255
  2. Natasha Wade, MSW, NLCThornton, CO 802291093489593
  3. Mary LevyDenver, CO 802221679799738
  4. Ronnie Shaw, PMH-CNS, BCDenver, CO 802201780809996
  5. David Hurst, M.D.Denver, CO 802181003186925
  6. Cindy Brody, L.C.S.W.Denver, CO 802061992111348
  7. Paris Obdan, NLCBoulder, CO 803021972197218
  8. Gillian Russell, PH.D., NCPSYABoulder, CO 803021568855369

Common questions

What is Roy Sidney Lowenstein, M.D.'s NPI number?

Roy Sidney Lowenstein, M.D.'s National Provider Identifier (NPI) is 1548489180, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Roy Sidney Lowenstein, M.D. located?

The NPPES record lists a practice address at 650 S Cherry St, Denver, CO, 80246. Phone: (303) 333-2111. Providers update this record themselves, so call before visiting.

How can I verify Roy Sidney Lowenstein, M.D.'s license?

NPPES lists Colorado license number 17545, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Roy Sidney Lowenstein, M.D. prescribe under Medicare Part D?

In 2024, Roy Sidney Lowenstein, M.D. had 27 Medicare Part D claims; the average among psychoanalyst prescribers was 57. 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.