Jefferson University Physicians
NPI 1952860975 · Allergy & Immunology Physician · Philadelphia, PA
Jefferson University Physicians is a Allergy & Immunology Physician organization in Philadelphia, PA (NPI 1952860975).
Provider details
- NPI number
- 1952860975
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Jefferson University Physicians
- Organization subpart
- Yes
- Authorized official
- Hristos Ristas, Vp of Contracting(215) 955-9298
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
7 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
Other names (DBA / former)
- Doing business as
- Jefferson Allergy and Immunology
- Doing business as
- Jefferson Allergy and Immunology
Registry dates
- Enumerated
- 2019-03-19
- Last updated
- 2022-10-14
- Certified
- 2022-10-14
Frequently asked questions
- What is Jefferson University Physicians's NPI number?
- Jefferson University Physicians's National Provider Identifier (NPI) is 1952860975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jefferson University Physicians?
- Jefferson University Physicians is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Jefferson University Physicians located?
- Jefferson University Physicians's practice location on file with NPPES is 1015 Chestnut St Ste 1300, Philadelphia, PA 19107-4313.
- What is Jefferson University Physicians's phone number?
- The practice phone number listed in the NPPES registry for Jefferson University Physicians is (215) 955-7410.
- Who is the authorized official for Jefferson University Physicians?
- The authorized official listed on Jefferson University Physicians's NPPES record is Hristos Ristas, Vp of Contracting. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jefferson University Physicians's NPI active?
- Yes — Jefferson University Physicians's NPI (1952860975) is active in the NPPES registry as of the last update on 2022-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.