Joan Greenberg, IBCLC
NPI 1649511510 · Lactation Consultant (Registered Nurse) · Brooklyn, NY
Joan Greenberg, IBCLC is a Lactation Consultant (Registered Nurse) provider in Brooklyn, NY (NPI 1649511510).
Provider details
- NPI number
- 1649511510
- Entity type
- Individual
- Primary specialty
- Lactation Consultant (Registered Nurse)Nursing Service Providers
- Credential
- IBCLC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 395460-1 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2013-03-02
- Last updated
- 2013-03-02
Frequently asked questions
- What is Joan Greenberg's NPI number?
- Joan Greenberg's National Provider Identifier (NPI) is 1649511510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Greenberg's specialty?
- Joan Greenberg is listed in the NPPES registry with a primary specialty of Lactation Consultant (Registered Nurse) (Nursing Service Providers).
- Where is Joan Greenberg located?
- Joan Greenberg's practice location on file with NPPES is 740 Argyle Rd, Brooklyn, NY 11230-2416.
- What is Joan Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Joan Greenberg is (718) 859-1855.
- Is Joan Greenberg's NPI active?
- Yes — Joan Greenberg's NPI (1649511510) is active in the NPPES registry as of the last update on 2013-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.