NPPES file of Aug 9, 2026

Walter (rusty) Wallace Otto, PHD

Psychologist · Sacramento, CA

Walter (rusty) Wallace Otto, PHD is a psychologist with a practice address in Sacramento, California, and NPI 1649682469, issued on May 28, 2014. Check the license (California PSY12396, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1649682469
Name
Walter (rusty) Wallace Otto
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
PSY12396 CA
Self-reported in NPPES; status is on the state search
Practice location
1970 University Park Drive, Sacramento, CA 95825
Phone
(916) 804-5087
Enumerated
May 28, 2014
Record last updated
May 28, 2014 (not updated in 12 years: call before relying on the address or phone)
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.
Download card Updates feed

Verify Walter (rusty) Wallace Otto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY12396
    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 California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Walter (rusty) Wallace Otto among 7,304 psychologist records in California

Walter (rusty) Wallace Otto, PHD is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 61% of them.

  • NPI issued2014 · 61% of these records are older, 36% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2014 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in California

There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 psychologist records with the nearest ZIP codes

  1. Susana Cornejo, PSY.D.Sacramento, CA 958251134354426
  2. Jose Deanda, PSY.D.Sacramento, CA 958251033302435
  3. Mark Ettensohn, PSY.D.Sacramento, CA 958251417147703
  4. Troy Ewing, PSY.D.Sacramento, CA 958251104004571
  5. Erika Frieze, PSY.D.Sacramento, CA 958251134312952
  6. Kathy Gunz, PSY.D.Sacramento, CA 958251407051394
  7. Jessica Liddell, PSYDSacramento, CA 958251922103340
  8. Amy Loarie, PSYDSacramento, CA 958251245327139

Common questions

What is Walter (rusty) Wallace Otto, PHD's NPI number?

Walter (rusty) Wallace Otto, PHD's National Provider Identifier (NPI) is 1649682469, issued on May 28, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Walter (rusty) Wallace Otto, PHD located?

The NPPES record lists a practice address at 1970 University Park Drive, Sacramento, CA, 95825. Phone: (916) 804-5087. Providers update this record themselves, so call before visiting.

How can I verify Walter (rusty) Wallace Otto, PHD's license?

NPPES lists California license number PSY12396, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.