What is Jacob Zeffren's NPI number?

Jacob Zeffren's National Provider Identifier (NPI) is 1053584185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jacob Zeffren's specialty?

Jacob Zeffren is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).

Where is Jacob Zeffren located?

Jacob Zeffren's practice location on file with NPPES is 340 Kingsland St, Nutley, NJ 07110-1150.

What is Jacob Zeffren's phone number?

The practice phone number listed in the NPPES registry for Jacob Zeffren is (973) 562-3548.

Is Jacob Zeffren's NPI active?

Yes — Jacob Zeffren's NPI (1053584185) is active in the NPPES registry as of the last update on 2008-04-09.

IndividualActive

Jacob Zeffren, MD

NPI 1053584185 · Medical Oncology Physician · Nutley, NJ

Jacob Zeffren, MD is a Medical Oncology Physician provider in Nutley, NJ (NPI 1053584185).

Provider details

NPI number: 1053584185
Entity type: Individual
Primary specialty: Medical Oncology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 25MA04523200 (NJ)

Specialties & taxonomies

Medical Oncology PhysicianPrimary207RX0202XLicense 25MA04523200 (NJ)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(87/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 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

340 Kingsland St

Nutley, NJ 07110-1150

Phone: (973) 562-3548

Fax: (973) 562-3563

Street-level locationGet directions

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Mailing address