What is Mayer Grunfeld's NPI number?

Mayer Grunfeld's National Provider Identifier (NPI) is 1811669336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mayer Grunfeld's specialty?

Mayer Grunfeld is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Mayer Grunfeld located?

Mayer Grunfeld's practice location on file with NPPES is 35 Reid Ave, Passaic, NJ 07055-3510.

What is Mayer Grunfeld's phone number?

The practice phone number listed in the NPPES registry for Mayer Grunfeld is (416) 277-4086.

Is Mayer Grunfeld's NPI active?

Yes — Mayer Grunfeld's NPI (1811669336) is active in the NPPES registry as of the last update on 2021-10-04.

IndividualActive

Mayer Grunfeld, M.D.

NPI 1811669336 · Family Medicine Physician · Passaic, NJ

Mayer Grunfeld, M.D. is a Family Medicine Physician provider in Passaic, NJ (NPI 1811669336).

Provider details

NPI number: 1811669336
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 313225 (NY)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense 313225 (NY)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(61/100 index)

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

Registry tenure38% of score
4 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

35 Reid Ave

Passaic, NJ 07055-3510

Phone: (416) 277-4086

Street-level locationGet directions

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Mailing address