Ashley Gefen, M.D.
NPI 1740636141 · Pediatric Nephrology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Gefen, M.D. is a Pediatric Nephrology Physician provider in Phoenix, AZ (NPI 1740636141).
Provider details
- NPI number
- 1740636141
- Entity type
- Individual
- Primary specialty
- Pediatric Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A176441 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 4650 W Sunset BlvdLos Angeles, CA 90027-6062Phone: (323) 660-2450
- 550 1st AveNew York, NY 10016-6402Phone: (212) 263-5506
Registry dates
- Enumerated
- 2016-05-04
- Last updated
- 2023-08-29
- Certified
- 2023-08-29
Frequently asked questions
- What is Ashley Gefen's NPI number?
- Ashley Gefen's National Provider Identifier (NPI) is 1740636141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Gefen's specialty?
- Ashley Gefen is listed in the NPPES registry with a primary specialty of Pediatric Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Ashley Gefen located?
- Ashley Gefen's practice location on file with NPPES is 1919 E Thomas Rd, Phoenix, AZ 85016-7710.
- What is Ashley Gefen's phone number?
- The practice phone number listed in the NPPES registry for Ashley Gefen is (602) 933-0965.
- Does Ashley Gefen accept Medicare?
- Ashley Gefen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Gefen's NPI active?
- Yes — Ashley Gefen's NPI (1740636141) is active in the NPPES registry as of the last update on 2023-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.