IndividualActive
John Tabachnick, MD
NPI 1639174139 · Family Medicine Physician · Westfield, NJ
John Tabachnick, MD is a Family Medicine Physician provider in Westfield, NJ (NPI 1639174139).
Provider details
- NPI number
- 1639174139
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA37772 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
563 Westfield Ave
Westfield, NJ 07090-3300
Phone: (908) 232-5858
Fax: (908) 232-0439
Street-level locationGet directions
Mailing address
1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104
Registry dates
- Enumerated
- 2005-06-20
- Last updated
- 2019-07-08
Frequently asked questions
- What is John Tabachnick's NPI number?
- John Tabachnick's National Provider Identifier (NPI) is 1639174139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tabachnick's specialty?
- John Tabachnick is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Tabachnick located?
- John Tabachnick's practice location on file with NPPES is 563 Westfield Ave, Westfield, NJ 07090-3300.
- What is John Tabachnick's phone number?
- The practice phone number listed in the NPPES registry for John Tabachnick is (908) 232-5858.
- Is John Tabachnick's NPI active?
- Yes — John Tabachnick's NPI (1639174139) is active in the NPPES registry as of the last update on 2019-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.