Mark S. Siskind, MD
Nephrology Physician · Fall River, MA
Mark S. Siskind, MD is a nephrology physician with a practice address in Fall River, Massachusetts, and NPI 1508840612, issued on Dec 1, 2005. Check the license (Massachusetts 53848, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark S. Siskind
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 53848 MA
8373 RI
Self-reported in NPPES; status is on the state search - Practice location
- 277 Pleasant St, Fall River, MA 02721
- Phone
- (401) 438-5950
- Enumerated
- Dec 1, 2005
- Record last updated
- Oct 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (401) 435-2561
- Medicaid IDs
- 6198023 MA
7003280 RI
3110893 MA - Entity
- Type 1 · individual
Also registered at 277 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lobna Abdelwahab, MDNeurology Physician1033747514
- Ramy Abu Sukheila, M.DHospitalist Physician1538548706
- Sofia Adamidi, MDHospitalist Physician1528553229
- Mahmood Ahmad, M.DInternal Medicine Physician1073853685
- Samih AlhouraniHospitalist Physician1952822496
- Victoria Almeida, FNPFamily Nurse Practitioner1588396758
Verify Mark S. Siskind in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53848Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
13 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
Other nephrology physician records in Massachusetts
- Amtul Aala, MDBoston, MA1174946347
- Reza Abdi, MDBoston, MA1356359368
- Marat Abdullin, M.D.Springfield, MA1619159712
- Vivian AbernethyBoston, MA1710960232
- Rekha Abichandani, M.D.Cambridge, MA1912033598
- Konstantin Abramov, M.D.Worcester, MA1992854707
- Krishna Agarwal, M.B.B.S.Springfield, MA1477916120
- Nikhil AgrawalBoston, MA1467722579
- Ayman Al Jurdi, M.D.Boston, MA1043690332
- Laith Al Rabadi, M.D.Boston, MA1821309188
Common questions
What is Mark S. Siskind, MD's NPI number?
Mark S. Siskind, MD's National Provider Identifier (NPI) is 1508840612, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Siskind, MD located?
The NPPES record lists a practice address at 277 Pleasant St, Fall River, MA, 02721. Phone: (401) 438-5950. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Siskind, MD's license?
NPPES lists Massachusetts license number 53848, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark S. Siskind, MD prescribe under Medicare Part D?
In 2024, Mark S. Siskind, MD had 13 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.