What is John Schaefer's NPI number?

John Schaefer's National Provider Identifier (NPI) is 1679665509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Schaefer's specialty?

John Schaefer is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is John Schaefer located?

John Schaefer's practice location on file with NPPES is 523 E 72nd St, New York, NY 10021-4099.

What is John Schaefer's phone number?

The practice phone number listed in the NPPES registry for John Schaefer is (212) 717-0231.

Is John Schaefer's NPI active?

Yes — John Schaefer's NPI (1679665509) is active in the NPPES registry as of the last update on 2010-01-06.

IndividualActive

John Schaefer, MD

NPI 1679665509 · Specialist · New York, NY

John Schaefer, MD is a Specialist provider in New York, NY (NPI 1679665509).

Provider details

NPI number: 1679665509
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 125969 (NY)

Specialties & taxonomies

SpecialistPrimary174400000XLicense 125969 (NY)
Other Service Providers

Profile Score

Detailed profile(90/100 index)

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

523 E 72nd St

8th Floor

New York, NY 10021-4099

Phone: (212) 717-0231

Fax: (212) 744-3529

Street-level locationGet directions

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Mailing address