IndividualActive
Ari Feldstein, PHD
NPI 1548010812 · Specialist · Baltimore, MD
Ari Feldstein, PHD is a Specialist provider in Baltimore, MD (NPI 1548010812).
Provider details
- NPI number
- 1548010812
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(50/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4 Farringdon Ct
Baltimore, MD 21209-2508
Phone: (443) 562-1616
Street-level locationGet directions
Mailing address
4 Farringdon Ct
Baltimore, MD 21209-2508
Registry dates
- Enumerated
- 2024-03-27
- Last updated
- 2024-03-27
- Certified
- 2024-03-26
Frequently asked questions
- What is Ari Feldstein's NPI number?
- Ari Feldstein's National Provider Identifier (NPI) is 1548010812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ari Feldstein's specialty?
- Ari Feldstein is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Ari Feldstein located?
- Ari Feldstein's practice location on file with NPPES is 4 Farringdon Ct, Baltimore, MD 21209-2508.
- What is Ari Feldstein's phone number?
- The practice phone number listed in the NPPES registry for Ari Feldstein is (443) 562-1616.
- Is Ari Feldstein's NPI active?
- Yes — Ari Feldstein's NPI (1548010812) is active in the NPPES registry as of the last update on 2024-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.