NPPES file of Aug 9, 2026

John Robert Donaldson, D.O.

Psychiatry Physician · Salinas, CA

John Robert Donaldson, D.O. is a psychiatry physician with a practice address in Salinas, California, and NPI 1578517538, issued on May 22, 2006. Check the license (California 20A5994, as entered in NPPES) on the Medical Board of California; 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
1578517538
Name
John Robert Donaldson
Credential
D.O.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
20A5994 CA
Self-reported in NPPES; status is on the state search
Practice location
160 Harden Pkwy, Salinas, CA 93906
Phone
(831) 449-1600
Enumerated
May 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(831) 449-1661
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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Verify John Robert Donaldson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A5994
    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 California license search

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38% fewer Medicare Part D claims than the average psychiatry physician in 2024

621 Medicare Part D claims for 36 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. John Donaldson621
  2. Specialty average1,000

Most prescribed

  1. Nuedexta63 claims
  2. Rexulti57 claims
  3. Clonazepam52 claims
  4. Lamotrigine52 claims
  5. Gabapentin44 claims
  6. Alprazolam Xr34 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: $186.32

7 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Donaldson$186.32
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John Robert Donaldson among 8,673 psychiatry physician records in California

John Robert Donaldson, D.O. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Paul Francisco, M.D.Salinas, CA 939061922161918
  2. Gary Gibbs, DOSalinas, CA 939061861414070
  3. Don Guiroy, M.D.Salinas, CA 939061629263512
  4. Evangelin Guzman, MDSalinas, CA 939061891898995
  5. Alia Karim, M.D.Salinas, CA 939061023138179
  6. Christopher Kasparek, M.D.Salinas, CA 939061427188671
  7. Erika Navarro, MDSalinas, CA 939061114930005
  8. Jefferson Nelson, M.D.Salinas, CA 939061013950708

Common questions

What is John Robert Donaldson, D.O.'s NPI number?

John Robert Donaldson, D.O.'s National Provider Identifier (NPI) is 1578517538, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Robert Donaldson, D.O. located?

The NPPES record lists a practice address at 160 Harden Pkwy, Salinas, CA, 93906. Phone: (831) 449-1600. Providers update this record themselves, so call before visiting.

How can I verify John Robert Donaldson, D.O.'s license?

NPPES lists California license number 20A5994, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Robert Donaldson, D.O. prescribe under Medicare Part D?

In 2024, John Robert Donaldson, D.O. had 621 Medicare Part D claims for 36 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.