Enrico Mezzacappa
Psychiatry Physician · Boston, MA
Enrico Mezzacappa is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1831267665, issued on Dec 1, 2006. Check the license (Massachusetts 56566, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Enrico Mezzacappa
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 56566 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-7605
- Enumerated
- Dec 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 3019209 MA
- Medicare enrollment
- Enrolled (PECOS I20040413000294); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 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 Enrico Mezzacappa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 56566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
73 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole13 claims
- Guanfacine Hcl12 claims
- Trazodone Hcl12 claims
- Methylphenidate Er11 claims
- Methylphenidate Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Clinical And Support Options, IncGreenfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Enrico Mezzacappa among 2,736 psychiatry physician records in Massachusetts
Enrico Mezzacappa is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1982 · median 2005 among the 1,219 with a school on file
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
845 psychiatry physician records list a practice address in Boston
They are 845 of the 41,865 NPPES records with a practice address in Boston, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Boston → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jay Baer, MDBoston, MA 021151427014323
- Susan Block, MDBoston, MA 021151083681563
- Ilana Braun, M.D.Boston, MA 021151760443006
- Alison Fife, MDBoston, MA 021151477545143
- Melissa Frumin, MD MSBoston, MA 021151659337871
- David Gitlin, MDBoston, MA 021151720078967
- Randy Glassman, MDBoston, MA 021151316937543
- Christine Kim, MDBoston, MA 021151942266283
Common questions
What is Enrico Mezzacappa's NPI number?
Enrico Mezzacappa's National Provider Identifier (NPI) is 1831267665, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Enrico Mezzacappa located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-7605. Providers update this record themselves, so call before visiting.
How can I verify Enrico Mezzacappa's license?
NPPES lists Massachusetts license number 56566, 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.
How much does Enrico Mezzacappa prescribe under Medicare Part D?
In 2024, Enrico Mezzacappa had 73 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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 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.