Marc Greenwald, MD
Internal Medicine Physician · Brockton, MA
Marc Greenwald, MD is an internal medicine physician with a practice address in Brockton, Massachusetts, and NPI 1700850807, issued on Feb 15, 2006. Check the license (Massachusetts 220491, 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
- Marc Greenwald
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 220491 MA
Self-reported in NPPES; status is on the state search - Practice location
- 680 Centre Street, Brockton, MA 02302
- Phone
- (508) 941-7202
- Enumerated
- Feb 15, 2006
- Entity
- Type 1 · individual
Also registered at 680 Centre Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Steven Laraia, LAT, ATC, CSCS, EMTAthletic Trainer1770001307
- Ellen Lundin, R.N.Registered Nurse1922700012
- Monica Miles, MDPsychiatry Physician1386695807
- Elena Tsonos, LDNRegistered Dietitian1316338981
Verify Marc Greenwald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 220491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
127 internal medicine physician records list a Brockton practice address
They are 127 of the 4,287 NPPES records with a Brockton practice address, and 7,865 internal medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 127 in Brockton → All 7,865 in Massachusetts → Every provider in Brockton →
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- Nooshin Abbasi, MD MPHNewton, MA1831888353
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- Bassima Abdallah, MDBoston, MA1912327305
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Salah Abdelgadir, MDBoston, MA1891280954
- Mahmoud Abdelghany, M.D.Springfield, MA1134479629
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Marc Greenwald, MD's NPI number?
Marc Greenwald, MD's National Provider Identifier (NPI) is 1700850807, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Greenwald, MD located?
The NPPES record lists a practice address at 680 Centre Street, Brockton, MA, 02302. Phone: (508) 941-7202. Providers update this record themselves, so call before visiting.
How can I verify Marc Greenwald, MD's license?
NPPES lists Massachusetts license number 220491, as entered by the provider. 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. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.