Joanne E. Cox, MD
Adolescent Medicine (Family Medicine) Physician · Boston, MA
Joanne E. Cox, MD is an adolescent medicine (family medicine) physician with a practice address in Boston, Massachusetts, and NPI 1629187273, issued on Aug 29, 2006. Check the license (Massachusetts 53346, 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
- Joanne E. Cox
- Credential
- MD
- Primary taxonomy
- Adolescent Medicine (Family Medicine) Physician 207QA0000X
- License number
- 53346 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-7701
- Enumerated
- Aug 29, 2006
- Record last updated
- Sep 11, 2025
- Medicaid ID
- 3013900 MA
- Entity
- Type 1 · individual
5 nearest adolescent medicine (family medicine) physician records → All 6 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanne E. Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 53346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Adolescent Medicine (Family Medicine) Physician providers in Massachusetts
There are 6 adolescent medicine (family medicine) physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6 in Massachusetts → Every provider in Boston → Adolescent Medicine (Family Medicine) Physician nationwide →
The 5 adolescent medicine (family medicine) physician records with the nearest ZIP codes
- Joanna Brown, M.D.Boston, MA 021151720059025
- Jose Guerra, M.D.Winchester, MA 018901043259039
- Jennifer Kahn, M.D.Lawrence, MA 018411770529174
- Manuel Lowenhaupt, M.D.Andover, MA 018101497788053
- Laura Koenigs, MDSpringfield, MA 011071871513200
Common questions
What is Joanne E. Cox, MD's NPI number?
Joanne E. Cox, MD's National Provider Identifier (NPI) is 1629187273, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joanne E. Cox, MD located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-7701. Providers update this record themselves, so call before visiting.
How can I verify Joanne E. Cox, MD's license?
NPPES lists Massachusetts license number 53346, 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.