IndividualActive
Joanne Mercer, D.P.M.
NPI 1437374840 · Podiatrist · Water Mill, NY
Joanne Mercer, D.P.M. is a Podiatrist provider in Water Mill, NY (NPI 1437374840).
Provider details
- NPI number
- 1437374840
- Entity type
- Individual
- Primary specialty
- PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- D.P.M.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 04118-1 (NY)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Profile Score
Detailed profile(89/100 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
708 Montauk Hwy
Water Mill, NY 11976
Phone: (917) 535-2872
Street-level locationGet directions
Mailing address
Po Box 245
Water Mill, NY 11976-0245
Registry dates
- Enumerated
- 2007-04-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joanne Mercer's NPI number?
- Joanne Mercer's National Provider Identifier (NPI) is 1437374840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Mercer's specialty?
- Joanne Mercer is listed in the NPPES registry with a primary specialty of Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Joanne Mercer located?
- Joanne Mercer's practice location on file with NPPES is 708 Montauk Hwy, Water Mill, NY 11976.
- What is Joanne Mercer's phone number?
- The practice phone number listed in the NPPES registry for Joanne Mercer is (917) 535-2872.
- Is Joanne Mercer's NPI active?
- Yes — Joanne Mercer's NPI (1437374840) 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.