Steven Valenstein, M.D.
NPI 1154307544 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Valenstein, M.D. is a Internal Medicine Physician provider in New York, NY (NPI 1154307544).
Provider details
- NPI number
- 1154307544
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 220411 (NY)
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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 180 E Hartsdale AveHartsdale, NY 10530-3544Phone: (914) 725-2010Fax: (914) 593-7881
- 180 E Hartsdale AveHartsdale, NY 10530-3544Phone: (914) 725-2010Fax: (914) 593-7881
- 1 Gustave L Levy PlNew York, NY 10029-6504Phone: (212) 241-6500
Registry dates
- Enumerated
- 2005-12-19
- Last updated
- 2019-03-04
Frequently asked questions
- What is Steven Valenstein's NPI number?
- Steven Valenstein's National Provider Identifier (NPI) is 1154307544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Valenstein's specialty?
- Steven Valenstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Valenstein located?
- Steven Valenstein's practice location on file with NPPES is 234 E 85th St, New York, NY 10028.
- What is Steven Valenstein's phone number?
- The practice phone number listed in the NPPES registry for Steven Valenstein is (212) 241-6585.
- Does Steven Valenstein accept Medicare?
- Steven Valenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Valenstein's NPI active?
- Yes — Steven Valenstein's NPI (1154307544) is active in the NPPES registry as of the last update on 2019-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.