David Klein, DO
NPI 1508904624 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Klein, DO is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1508904624).
Provider details
- NPI number
- 1508904624
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 227403-1 (NY)
Specialties & taxonomies
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
- 2007-02-01
- Last updated
- 2024-05-02
- Certified
- 2024-05-02
Frequently asked questions
- What is David Klein's NPI number?
- David Klein's National Provider Identifier (NPI) is 1508904624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Klein's specialty?
- David Klein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Klein located?
- David Klein's practice location on file with NPPES is 3245 Nostrand Ave, Brooklyn, NY 11229.
- What is David Klein's phone number?
- The practice phone number listed in the NPPES registry for David Klein is (718) 403-3519.
- Does David Klein accept Medicare?
- David Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Klein's NPI active?
- Yes — David Klein's NPI (1508904624) is active in the NPPES registry as of the last update on 2024-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.