Di Yan, M.D.
NPI 1427313329 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Di Yan, M.D. is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1427313329).
Provider details
- NPI number
- 1427313329
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD453235 (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
13 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
- 2012-07-07
- Last updated
- 2016-12-05
Frequently asked questions
- What is Di Yan's NPI number?
- Di Yan's National Provider Identifier (NPI) is 1427313329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Di Yan's specialty?
- Di Yan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Di Yan located?
- Di Yan's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is Di Yan's phone number?
- The practice phone number listed in the NPPES registry for Di Yan is (215) 707-1800.
- Does Di Yan accept Medicare?
- Di Yan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Di Yan's NPI active?
- Yes — Di Yan's NPI (1427313329) is active in the NPPES registry as of the last update on 2016-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.