Frederick Blaszka, MD
NPI 1598778326 · Internal Medicine Physician · Elizabeth, NJ
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Blaszka, MD is a Internal Medicine Physician provider in Elizabeth, NJ (NPI 1598778326).
Provider details
- NPI number
- 1598778326
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA02971300 (NJ)
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
- 2006-08-14
- Last updated
- 2022-07-21
Frequently asked questions
- What is Frederick Blaszka's NPI number?
- Frederick Blaszka's National Provider Identifier (NPI) is 1598778326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Blaszka's specialty?
- Frederick Blaszka is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Frederick Blaszka located?
- Frederick Blaszka's practice location on file with NPPES is 654 E Jersey St, Elizabeth, NJ 07206-1261.
- What is Frederick Blaszka's phone number?
- The practice phone number listed in the NPPES registry for Frederick Blaszka is (908) 994-0120.
- Does Frederick Blaszka accept Medicare?
- Frederick Blaszka is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Blaszka's NPI active?
- Yes — Frederick Blaszka's NPI (1598778326) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.