William Kritzberg, M.D.
NPI 1780725010 · Internal Medicine Physician · Livingston, NJ
William Kritzberg, M.D. is a Internal Medicine Physician provider in Livingston, NJ (NPI 1780725010).
Provider details
- NPI number
- 1780725010
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA06514200 (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
- 2007-02-09
- Last updated
- 2013-09-19
Frequently asked questions
- What is William Kritzberg's NPI number?
- William Kritzberg's National Provider Identifier (NPI) is 1780725010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kritzberg's specialty?
- William Kritzberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Kritzberg located?
- William Kritzberg's practice location on file with NPPES is 315 E Northfield Rd, Livingston, NJ 07039-4896.
- What is William Kritzberg's phone number?
- The practice phone number listed in the NPPES registry for William Kritzberg is (973) 944-1144.
- Is William Kritzberg's NPI active?
- Yes — William Kritzberg's NPI (1780725010) is active in the NPPES registry as of the last update on 2013-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.