IndividualActive
Katherine Mah, M.S., C.G.C.
NPI 1528099306 · Genetic Counselor (M.S.) · Brooklyn, NY
Katherine Mah, M.S., C.G.C. is a Genetic Counselor (M.S.) provider in Brooklyn, NY (NPI 1528099306).
Provider details
- NPI number
- 1528099306
- Entity type
- Individual
- Primary specialty
- Genetic Counselor (M.S.)Other Service Providers
- Credential
- M.S., C.G.C.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
83% 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
1355 84th St
Brooklyn, NY 11228-3030
Phone: (718) 283-6588
Fax: (718) 283-6580
Street-level locationGet directions
Mailing address
250 S 2nd St Apt 1b
Brooklyn, NY 11211-9110
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Katherine Mah's NPI number?
- Katherine Mah's National Provider Identifier (NPI) is 1528099306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mah's specialty?
- Katherine Mah is listed in the NPPES registry with a primary specialty of Genetic Counselor (M.S.) (Other Service Providers).
- Where is Katherine Mah located?
- Katherine Mah's practice location on file with NPPES is 1355 84th St, Brooklyn, NY 11228-3030.
- What is Katherine Mah's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mah is (718) 283-6588.
- Is Katherine Mah's NPI active?
- Yes — Katherine Mah's NPI (1528099306) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.