John Frederick, MD
NPI 1790828911 · Psychiatry Physician · Seattle, WA
John Frederick, MD is a Psychiatry Physician provider in Seattle, WA (NPI 1790828911).
Provider details
- NPI number
- 1790828911
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00036632 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluoxetine Hcl | 112 | 18 |
| Clonazepam | 101 | 17 |
| Bupropion Hclbrand: Bupropion Xl | 100 | 15 |
| Lorazepam | 96 | 16 |
| Lamotrigine | 93 | 22 |
| Trazodone Hcl | 85 | 19 |
| Alprazolam | 81 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2018-02-20
Frequently asked questions
- What is John Frederick's NPI number?
- John Frederick's National Provider Identifier (NPI) is 1790828911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Frederick's specialty?
- John Frederick is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Frederick located?
- John Frederick's practice location on file with NPPES is 1200 5th Ave Ste 2010, Seattle, WA 98101-3100.
- What is John Frederick's phone number?
- The practice phone number listed in the NPPES registry for John Frederick is (206) 778-5584.
- Is John Frederick's NPI active?
- Yes — John Frederick's NPI (1790828911) is active in the NPPES registry as of the last update on 2018-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.