Hiejin Yoon, MD
NPI 1396894713 · Psychiatry Physician · Valhalla, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hiejin Yoon, MD is a Psychiatry Physician provider in Valhalla, NY (NPI 1396894713).
Provider details
- NPI number
- 1396894713
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 49417-020 (WI)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2010-08-31
Frequently asked questions
- What is Hiejin Yoon's NPI number?
- Hiejin Yoon's National Provider Identifier (NPI) is 1396894713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hiejin Yoon's specialty?
- Hiejin Yoon is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Hiejin Yoon located?
- Hiejin Yoon's practice location on file with NPPES is 95 Grasslands Rd, Valhalla, NY 10595-1652.
- What is Hiejin Yoon's phone number?
- The practice phone number listed in the NPPES registry for Hiejin Yoon is (914) 493-7000.
- Does Hiejin Yoon accept Medicare?
- Hiejin Yoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hiejin Yoon's NPI active?
- Yes — Hiejin Yoon's NPI (1396894713) is active in the NPPES registry as of the last update on 2010-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.