National Provider Identifier Database

DR JOSEPH GREER AND DR MITCHEL CHARNAS
Dental Hygienist

An individual who has completed an accredited dental hygiene education program, and an individual who has been licensed by a state board of dental examiners to provide preventive care services under the supervision of a dentist. Functions that may be legally delegated to the dental hygienist vary based on the needs of the dentist, the educational preparation of the dental hygienist and state dental practice acts and regulations, but always include, at a minimum, scaling and polishing the teeth. To avoid misleading the public, no occupational title other than dental hygienist should be used to describe this dental auxiliary.


Contact Information

DR JOSEPH GREER AND DR MITCHEL CHARNAS
200 MADISON AVENUE
SUITE 2201
NEW YORK, NY10128
Phone: 212-683-2530
Fax: 212-684-7162
Website:
Specialty Taxonomy Code
* Dental Hygienist 124Q00000X
Endodontics 1223E0200X
General Practice 1223G0001X
Oral and Maxillofacial Surgery 1223S0112X
Periodontics 1223P0300X

* Indicates primary specialty

NPI Profile & details for DR JOSEPH GREER AND DR MITCHEL CHARNAS

NPI Number 1699764753
Legal business name
LBN
DR JOSEPH GREER AND DR MITCHEL CHARNAS
Authorized official MITCHEL CHARNAS - (OWNER/PARTNER)
Entity Organization
Organization subpart No
Enumeration date 10/20/2005
Last updated 09/11/2025 - About 9 months ago
Sole proprietor1 Not specified
Identifiers
  • NY License #: 024929-1
  • NY License #: 032885-3
  • NY License #: 036100-1
  • NY License #: 042115
  • NY License #: 044865-1
  • NY License #: 050487
  • NY License #: 051906-1
  • NY License #: 293308

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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