John Donaldson, D.O.
NPI 1578517538 · Psychiatry Physician · Salinas, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Donaldson, D.O. is a Psychiatry Physician provider in Salinas, CA (NPI 1578517538).
Provider details
- NPI number
- 1578517538
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A5994 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Dextromethorphan Hbr/Quinidinebrand: Nuedexta | 63 |
| Brexpiprazolebrand: Rexulti | 57 |
| Clonazepam | 52 |
| Lamotrigine | 52 |
| Gabapentin | 44 |
| Alprazolambrand: Alprazolam Xr | 34 |
| Pimavanserin Tartratebrand: Nuplazid | 31 |
| Quetiapine Fumarate | 31 |
| Zolpidem Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$186 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Donaldson's NPI number?
- John Donaldson's National Provider Identifier (NPI) is 1578517538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Donaldson's specialty?
- John Donaldson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Donaldson located?
- John Donaldson's practice location on file with NPPES is 160 Harden Pkwy, Salinas, CA 93906-5287.
- What is John Donaldson's phone number?
- The practice phone number listed in the NPPES registry for John Donaldson is (831) 449-1600.
- Does John Donaldson accept Medicare?
- John Donaldson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Donaldson's NPI active?
- Yes — John Donaldson's NPI (1578517538) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.