Sing Tung, MD
NPI 1619913720 · Obstetrics & Gynecology Physician · Santa Ana, CA
Sing Tung, MD is a Obstetrics & Gynecology Physician provider in Santa Ana, CA (NPI 1619913720).
Provider details
- NPI number
- 1619913720
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D33253 (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
20 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
- 2006-06-20
- Last updated
- 2010-12-23
Frequently asked questions
- What is Sing Tung's NPI number?
- Sing Tung's National Provider Identifier (NPI) is 1619913720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sing Tung's specialty?
- Sing Tung is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Sing Tung located?
- Sing Tung's practice location on file with NPPES is 2621 S Bristol, Santa Ana, CA 92704.
- What is Sing Tung's phone number?
- The practice phone number listed in the NPPES registry for Sing Tung is (714) 754-0498.
- Is Sing Tung's NPI active?
- Yes — Sing Tung's NPI (1619913720) is active in the NPPES registry as of the last update on 2010-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.