Mark Tong, MD
NPI 1871696815 · Obstetrics & Gynecology Physician · Scottsdale, AZ
Mark Tong, MD is a Obstetrics & Gynecology Physician provider in Scottsdale, AZ (NPI 1871696815).
Provider details
- NPI number
- 1871696815
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 13429 (AZ)
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
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
- 2006-09-06
- Last updated
- 2026-04-26
Frequently asked questions
- What is Mark Tong's NPI number?
- Mark Tong's National Provider Identifier (NPI) is 1871696815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Tong's specialty?
- Mark Tong is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Tong located?
- Mark Tong's practice location on file with NPPES is 7330 E Earll Dr, Scottsdale, AZ 85251.
- What is Mark Tong's phone number?
- The practice phone number listed in the NPPES registry for Mark Tong is (480) 947-9494.
- Is Mark Tong's NPI active?
- Yes — Mark Tong's NPI (1871696815) is active in the NPPES registry as of the last update on 2026-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.