Melissa Hazen, M.D.
Pediatric Rheumatology Physician · Boston, MA
Melissa Hazen, M.D. is a pediatric rheumatology physician with a practice address in Boston, Massachusetts, and NPI 1417170713, issued on Apr 11, 2007. Check the license (Massachusetts 226420, 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
- Melissa Hazen
- Credential
- M.D.
- Primary taxonomy
- Pediatric Rheumatology Physician 2080P0216X
- License number
- 226420 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (671) 355-6117
- Enumerated
- Apr 11, 2007
- Entity
- Type 1 · individual
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sylvia Abadir, MDPediatric Cardiology Physician1427366459
- Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
- Kristin Abdelnour, PTPhysical Therapist1982821302
- Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
- Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
- Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233
Verify Melissa Hazen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 226420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Pediatric Rheumatology Physician providers in Massachusetts
There are 23 pediatric rheumatology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pediatric rheumatology physician records in Massachusetts
- Elizabeth Ang, MDBoston, MA1881950764
- Peter Blier, MDSpringfield, MA1871557447
- Daniel Brown, M.D.Boston, MA1043456510
- Joyce Chang, M.D.Boston, MA1437412756
- Margaret Chang, M.D., PH.D.Boston, MA1194067678
- Ezra Cohen, MDBoston, MA1144515818
- Trevor Davis, MDBoston, MA1932361292
- Fatma Dedeoglu, M.D.Boston, MA1316053184
- Olha HalyabarBoston, MA1881952547
- Lauren Henderson, MDBoston, MA1790945764
Common questions
What is Melissa Hazen, M.D.'s NPI number?
Melissa Hazen, M.D.'s National Provider Identifier (NPI) is 1417170713, issued on Apr 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Hazen, M.D. located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (671) 355-6117. Providers update this record themselves, so call before visiting.
How can I verify Melissa Hazen, M.D.'s license?
NPPES lists Massachusetts license number 226420, 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.