What is Justina Ray's NPI number?

Justina Ray's National Provider Identifier (NPI) is 1831726132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Justina Ray's specialty?

Justina Ray is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Justina Ray located?

Justina Ray's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4238.

What is Justina Ray's phone number?

The practice phone number listed in the NPPES registry for Justina Ray is (445) 273-2775.

Is Justina Ray's NPI active?

Yes — Justina Ray's NPI (1831726132) is active in the NPPES registry as of the last update on 2026-05-27.

IndividualActive

Justina Ray, MD

NPI 1831726132 · Nephrology Physician · Philadelphia, PA

Justina Ray, MD is a Nephrology Physician provider in Philadelphia, PA (NPI 1831726132).

Provider details

NPI number: 1831726132
Entity type: Individual
Primary specialty: Nephrology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: MD494400 (PA)

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense MD494400 (PA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(64/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
6 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

3400 Spruce St

Philadelphia, PA 19104-4238

Phone: (445) 273-2775

Street-level locationGet directions

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Mailing address