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Marjorie Isdith, D.O.
NPI 1205831435 · Family Medicine Physician · Massapequa, NY
Marjorie Isdith, D.O. is a Family Medicine Physician provider in Massapequa, NY (NPI 1205831435).
Provider details
- NPI number
- 1205831435
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 197492 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
20 Hicksville Road
Massapequa, NY 11758
Phone: (516) 795-5700
Fax: (516) 795-5701
Approximate (ZIP-level) locationGet directions
Mailing address
20 Hicksville Road
Massapequa, NY 11758
Registry dates
- Enumerated
- 2005-06-15
- Last updated
- 2008-04-24
Frequently asked questions
- What is Marjorie Isdith's NPI number?
- Marjorie Isdith's National Provider Identifier (NPI) is 1205831435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Isdith's specialty?
- Marjorie Isdith is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marjorie Isdith located?
- Marjorie Isdith's practice location on file with NPPES is 20 Hicksville Road, Massapequa, NY 11758.
- What is Marjorie Isdith's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Isdith is (516) 795-5700.
- Is Marjorie Isdith's NPI active?
- Yes — Marjorie Isdith's NPI (1205831435) is active in the NPPES registry as of the last update on 2008-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.