Nana Okuzawa, MD
NPI 1164682654 · Psychiatry Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nana Okuzawa, MD is a Psychiatry Physician provider in Seattle, WA (NPI 1164682654).
Provider details
- NPI number
- 1164682654
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 138315 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 76 | — |
| Mirtazapine | 57 | 12 |
| Trazodone Hcl | 48 | — |
| Donepezil Hcl | 46 | — |
| Aripiprazole | 38 | — |
| Escitalopram Oxalate | 37 | — |
| Quetiapine Fumarate | 30 |
Practice location
Mailing address
Additional practice locations (1)
- 614 Tully RdSan Jose, CA 95111-1048Phone: (408) 494-1561
Registry dates
- Enumerated
- 2008-06-10
- Last updated
- 2018-10-26
Frequently asked questions
- What is Nana Okuzawa's NPI number?
- Nana Okuzawa's National Provider Identifier (NPI) is 1164682654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nana Okuzawa's specialty?
- Nana Okuzawa is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Nana Okuzawa located?
- Nana Okuzawa's practice location on file with NPPES is 3639 Martin Luther King Jr Way S, Seattle, WA 98144-6847.
- What is Nana Okuzawa's phone number?
- The practice phone number listed in the NPPES registry for Nana Okuzawa is (206) 695-7600.
- Does Nana Okuzawa accept Medicare?
- Nana Okuzawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nana Okuzawa's NPI active?
- Yes — Nana Okuzawa's NPI (1164682654) is active in the NPPES registry as of the last update on 2018-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.