Joseph Litwak, MD
Hospitalist Physician · Oak Bluffs, MA
Joseph Litwak, MD is a hospitalist physician with a practice address in Oak Bluffs, Massachusetts, and NPI 1396792958, issued on May 28, 2006. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph Litwak
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 14515 NH
9700642 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital RD, Oak Bluffs, MA 02557
- Phone
- (603) 502-4144
- Enumerated
- May 28, 2006
- Entity
- Type 1 · individual
Also registered at 1 Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Absar, M.D.Behavioral Neurology & Neuropsychiatry Physician1144267857
- David Araujo, LMHCMental Health Counselor1134429533
- Ruth Barron, MDPsychiatry Physician1649340712
- Anne-Marie Bell, FNP-CFamily Nurse Practitioner1508249848
- Linsay BumilaNurse Practitioner1659906444
- Paula Caron, RPHPharmacist1407688328
Verify Joseph Litwak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2 hospitals and group practices
- Monadnock Community HospitalPeterborough, NH · Critical Access Hospitals2 of 5 stars
- Upper Connecticut Valley Hospital AssociationColebrook, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hospitalist Physician providers in Massachusetts
There are 525 hospitalist physician records in Massachusetts.
Other hospitalist physician records in Massachusetts
- Peter Abaskhroun, MDFall River, MA1740786391
- Ramla Abbas, M.D.Plymouth, MA1982193785
- Ramy Abu Sukheila, M.DFall River, MA1538548706
- Lopamudra Acharya, MDNeedham, MA1144513763
- Aruna Adaikkalam, MDSpringfield, MA1861403875
- Sofia Adamidi, MDFall River, MA1528553229
- Tsiani Adopleh, DOBurlington, MA1740920354
- Arielle Adrien-Jean, M.D.New Bedford, MA1386691160
- Nikita AgarwalBoston, MA1467183269
- Muneer Ahmad, MDLowell, MA1902151301
Common questions
What is Joseph Litwak, MD's NPI number?
Joseph Litwak, MD's National Provider Identifier (NPI) is 1396792958, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Litwak, MD located?
The NPPES record lists a practice address at 1 Hospital RD, Oak Bluffs, MA, 02557. Phone: (603) 502-4144. Providers update this record themselves, so call before visiting.
How can I verify Joseph Litwak, MD's license?
Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.