IndividualActive
Stephen Tien, PHD
NPI 1831298991 · Psychologist · Ithaca, NY
Stephen Tien, PHD is a Psychologist provider in Ithaca, NY (NPI 1831298991).
Provider details
- NPI number
- 1831298991
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 009632 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
518 Wyckoff Rd
Ithaca, NY 14850-2344
Phone: (607) 257-5008
Street-level locationGet directions
Mailing address
518 Wyckoff Rd
Ithaca, NY 14850-2344
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Tien's NPI number?
- Stephen Tien's National Provider Identifier (NPI) is 1831298991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Tien's specialty?
- Stephen Tien is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Tien located?
- Stephen Tien's practice location on file with NPPES is 518 Wyckoff Rd, Ithaca, NY 14850-2344.
- What is Stephen Tien's phone number?
- The practice phone number listed in the NPPES registry for Stephen Tien is (607) 257-5008.
- Is Stephen Tien's NPI active?
- Yes — Stephen Tien's NPI (1831298991) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.