Legacyivf
NPI 1518439579 · Reproductive Endocrinology Physician · New York, NY
Legacyivf is a Reproductive Endocrinology Physician organization in New York, NY (NPI 1518439579).
Provider details
- NPI number
- 1518439579
- Entity type
- Organization
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Wendy Sigman, Financial Manager(212) 369-8700
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
7 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
Other names (DBA / former)
- Doing business as
- Mingxue Yang Medical PC
Registry dates
- Enumerated
- 2018-12-31
- Last updated
- 2018-12-31
Frequently asked questions
- What is Legacyivf's NPI number?
- Legacyivf's National Provider Identifier (NPI) is 1518439579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Legacyivf?
- Legacyivf is classified in the NPPES registry as Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Legacyivf located?
- Legacyivf's practice location on file with NPPES is 1625 3rd Ave, New York, NY 10128-3637.
- What is Legacyivf's phone number?
- The practice phone number listed in the NPPES registry for Legacyivf is (212) 369-8700.
- Who is the authorized official for Legacyivf?
- The authorized official listed on Legacyivf's NPPES record is Wendy Sigman, Financial Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Legacyivf's NPI active?
- Yes — Legacyivf's NPI (1518439579) is active in the NPPES registry as of the last update on 2018-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.