Leonard Berkowitz, MD
NPI 1558477422 · Pulmonary Disease Physician · Chester, PA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonard Berkowitz, MD is a Pulmonary Disease Physician provider in Chester, PA (NPI 1558477422).
Provider details
- NPI number
- 1558477422
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD019078E (PA)
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
- 2006-08-22
- Last updated
- 2011-11-16
Frequently asked questions
- What is Leonard Berkowitz's NPI number?
- Leonard Berkowitz's National Provider Identifier (NPI) is 1558477422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Berkowitz's specialty?
- Leonard Berkowitz is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Berkowitz located?
- Leonard Berkowitz's practice location on file with NPPES is 1 Medical Center Blvd, Chester, PA 19013-3902.
- What is Leonard Berkowitz's phone number?
- The practice phone number listed in the NPPES registry for Leonard Berkowitz is (610) 619-7460.
- Does Leonard Berkowitz accept Medicare?
- Leonard Berkowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonard Berkowitz's NPI active?
- Yes — Leonard Berkowitz's NPI (1558477422) is active in the NPPES registry as of the last update on 2011-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.