Gwendolyn Liang, MD
NPI 1588667547 · Ophthalmology Physician · Jenkintown, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwendolyn Liang, MD is a Ophthalmology Physician provider in Jenkintown, PA (NPI 1588667547).
Provider details
- NPI number
- 1588667547
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD044081E (PA)
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
21 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
- 2005-05-24
- Last updated
- 2011-01-05
Frequently asked questions
- What is Gwendolyn Liang's NPI number?
- Gwendolyn Liang's National Provider Identifier (NPI) is 1588667547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Liang's specialty?
- Gwendolyn Liang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gwendolyn Liang located?
- Gwendolyn Liang's practice location on file with NPPES is 510 West Ave, Jenkintown, PA 19046-2725.
- What is Gwendolyn Liang's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Liang is (215) 884-8419.
- Does Gwendolyn Liang accept Medicare?
- Gwendolyn Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwendolyn Liang's NPI active?
- Yes — Gwendolyn Liang's NPI (1588667547) is active in the NPPES registry as of the last update on 2011-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.