Iona Machado, M.D.
NPI 1871025403 · Psychiatry Physician · San Francisco, CA
Iona Machado, M.D. is a Psychiatry Physician provider in San Francisco, CA (NPI 1871025403).
Provider details
- NPI number
- 1871025403
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A157026 (CA)
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
9 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-02
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Iona Machado's NPI number?
- Iona Machado's National Provider Identifier (NPI) is 1871025403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Iona Machado's specialty?
- Iona Machado is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Iona Machado located?
- Iona Machado's practice location on file with NPPES is 582 Market St Ste 812, San Francisco, CA 94104-5309.
- What is Iona Machado's phone number?
- The practice phone number listed in the NPPES registry for Iona Machado is (415) 922-9122.
- Is Iona Machado's NPI active?
- Yes — Iona Machado's NPI (1871025403) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.