Northern Westchester Internal Medicine
NPI 1386738664 · Internal Medicine Physician · Yorktown Heights, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Northern Westchester Internal Medicine is a Internal Medicine Physician organization in Yorktown Heights, NY (NPI 1386738664).
Provider details
- NPI number
- 1386738664
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Richard Klein, President(914) 962-3303
- License
- 225325 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2013-04-22
Frequently asked questions
- What is Northern Westchester Internal Medicine's NPI number?
- Northern Westchester Internal Medicine's National Provider Identifier (NPI) is 1386738664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northern Westchester Internal Medicine?
- Northern Westchester Internal Medicine is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Northern Westchester Internal Medicine located?
- Northern Westchester Internal Medicine's practice location on file with NPPES is 1872 Commerce St, Yorktown Heights, NY 10598-4430.
- What is Northern Westchester Internal Medicine's phone number?
- The practice phone number listed in the NPPES registry for Northern Westchester Internal Medicine is (914) 962-3303.
- Does Northern Westchester Internal Medicine accept Medicare?
- Northern Westchester Internal Medicine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Northern Westchester Internal Medicine?
- The authorized official listed on Northern Westchester Internal Medicine's NPPES record is Richard Klein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northern Westchester Internal Medicine's NPI active?
- Yes — Northern Westchester Internal Medicine's NPI (1386738664) is active in the NPPES registry as of the last update on 2013-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.