Mona Fleiss, M.D.
NPI 1235274143 · Geriatric Medicine (Internal Medicine) Physician · Brooklyn, NY
Mona Fleiss, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Brooklyn, NY (NPI 1235274143).
Provider details
- NPI number
- 1235274143
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 15728801 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-02-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mona Fleiss's NPI number?
- Mona Fleiss's National Provider Identifier (NPI) is 1235274143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mona Fleiss's specialty?
- Mona Fleiss is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mona Fleiss located?
- Mona Fleiss's practice location on file with NPPES is 48 Cedar St, Brooklyn, NY 11221-3253.
- What is Mona Fleiss's phone number?
- The practice phone number listed in the NPPES registry for Mona Fleiss is (718) 928-3530.
- Is Mona Fleiss's NPI active?
- Yes — Mona Fleiss's NPI (1235274143) 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.