Susan Sajer, M.D.
Hematology & Oncology Physician · Concord, MA
Susan Sajer, M.D. is a hematology & oncology physician with a practice address in Concord, Massachusetts, and NPI 1154304251, issued on Nov 22, 2005. Check the license (Massachusetts 59870, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Susan Sajer
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 59870 MA
Self-reported in NPPES; status is on the state search - Practice location
- 131 Ornac, Concord, MA 01742
- Phone
- (978) 287-3436
- Enumerated
- Nov 22, 2005
- Record last updated
- Nov 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (978) 287-3642
- Medicaid ID
- 3076938 MA
- Entity
- Type 1 · individual
Also registered at 131 Ornac
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Barkin, MDPulmonary Disease Physician1144298621
- Susan Cahill, M.D.Surgery Physician1558355131
- Brian Callahan, M.D.Surgery Physician1174558217
- Elizabeth Conway, NPFamily Nurse Practitioner1689643231
- Paul Costas, MDPlastic and Reconstructive Surgery Physician1801856851
- Virginia Croke, NPAdult Health Nurse Practitioner1851360580
Verify Susan Sajer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 59870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Hematology & Oncology Physician providers in Massachusetts
There are 461 hematology & oncology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other hematology & oncology physician records in Massachusetts
- Gregory Abel, MDBoston, MA1285611954
- Rachel Abelman, MDBoston, MA1255821617
- Karim Abou-Nassar, MDBoston, MA1366770745
- Inas Abuali, M.D.Boston, MA1952659971
- Jose Acevedo Mejia, M.D.Boston, MA1801277173
- Maureen Achebe, MD, MPHBoston, MA1407955172
- Archana Agarwal, MDSpringfield, MA1548592165
- Rasmia Ahmed, MDFramingham, MA1568409936
- Hanny Al-Samkari, MDBoston, MA1669765988
- Tasneem Ali, M.D.Worcester, MA1629036553
Common questions
What is Susan Sajer, M.D.'s NPI number?
Susan Sajer, M.D.'s National Provider Identifier (NPI) is 1154304251, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Susan Sajer, M.D. located?
The NPPES record lists a practice address at 131 Ornac, Concord, MA, 01742. Phone: (978) 287-3436. Providers update this record themselves, so call before visiting.
How can I verify Susan Sajer, M.D.'s license?
NPPES lists Massachusetts license number 59870, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.