Mark Siskind, MD
NPI 1508840612 · Nephrology Physician · Fall River, MA
Mark Siskind, MD is a Nephrology Physician provider in Fall River, MA (NPI 1508840612).
Provider details
- NPI number
- 1508840612
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 53848 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
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
- 2005-12-01
- Last updated
- 2019-10-04
Frequently asked questions
- What is Mark Siskind's NPI number?
- Mark Siskind's National Provider Identifier (NPI) is 1508840612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Siskind's specialty?
- Mark Siskind is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Siskind located?
- Mark Siskind's practice location on file with NPPES is 277 Pleasant St, Fall River, MA 02721-3005.
- What is Mark Siskind's phone number?
- The practice phone number listed in the NPPES registry for Mark Siskind is (401) 438-5950.
- Is Mark Siskind's NPI active?
- Yes — Mark Siskind's NPI (1508840612) is active in the NPPES registry as of the last update on 2019-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.