Irene Ung, NP
NPI 1790668911 · Acute Care Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Ung, NP is a Acute Care Nurse Practitioner provider in San Francisco, CA (NPI 1790668911).
Provider details
- NPI number
- 1790668911
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 95035686 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-07-26
- Last updated
- 2025-07-26
- Certified
- 2025-07-26
Frequently asked questions
- What is Irene Ung's NPI number?
- Irene Ung's National Provider Identifier (NPI) is 1790668911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Ung's specialty?
- Irene Ung is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Irene Ung located?
- Irene Ung's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Irene Ung's phone number?
- The practice phone number listed in the NPPES registry for Irene Ung is (415) 476-1000.
- Does Irene Ung accept Medicare?
- Irene Ung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Ung's NPI active?
- Yes — Irene Ung's NPI (1790668911) is active in the NPPES registry as of the last update on 2025-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.