Jennifer Ruiz, M.D.
Psychiatry Physician · Boston, MA
Jennifer Ruiz, M.D. is a psychiatry physician with a practice address in Boston, Massachusetts, and NPI 1104863372, issued on May 31, 2006. Check the license (Massachusetts 227931, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jennifer Ruiz
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 227931 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1340 Boylston St, Boston, MA 02215
- Phone
- (617) 267-0900
- Enumerated
- May 31, 2006
- Entity
- Type 1 · individual
Also registered at 1340 Boylston St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pamela Adelstein, MDFamily Medicine Physician1306822416
- Emily Aduba, FNP-BCFamily Nurse Practitioner1831617315
- Adam Albano, M.D.Internal Medicine Physician1558689828
- Christopher Alonzo, M.D., MPHInternal Medicine Physician1265812226
- Isabella Anderson, MSWSocial Worker1528701315
- Sophia AxtmanNurse Practitioner1902452022
Verify Jennifer Ruiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 227931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
36% fewer Medicare Part D claims than the average psychiatry physician in 2024
647 Medicare Part D claims for 53 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Clonazepam70 claims
- Lorazepam54 claims
- Duloxetine Hcl34 claims
- Trazodone Hcl31 claims
- Dextroamphetamine-Amphetamine30 claims
- Divalproex Sodium Er30 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.
One hospital or facility affiliation
- Fenway Community Health Center, IncBoston, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
783 psychiatry physician records list a Boston practice address
They are 783 of the 41,865 NPPES records with a Boston practice address, and 2,637 psychiatry physician records in Massachusetts.
All 783 in Boston → All 2,637 in Massachusetts → Every provider in Boston →
Other psychiatry physician records in Massachusetts
- Karen Abdool, M.D., PH.DLynn, MA1942472824
- Harmony Abejuela, M.D.Quincy, MA1316259492
- Marielle Abell, PAAmherst, MA1275644072
- Steven Ablon, MDBoston, MA1083604839
- Keith Ablow, M.D.Newbury, MA1245423615
- Yousef Abou-Allaban, MDWalpole, MA1922040666
- Habiba Abozeid, MDBoston, MA1689408346
- Margarita Abramovich, MDPittsfield, MA1154883239
- Howard Abrams, MDSalem, MA1821102773
- David Abramson, MDCambridge, MA1376679787
Common questions
What is Jennifer Ruiz, M.D.'s NPI number?
Jennifer Ruiz, M.D.'s National Provider Identifier (NPI) is 1104863372, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Ruiz, M.D. located?
The NPPES record lists a practice address at 1340 Boylston St, Boston, MA, 02215. Phone: (617) 267-0900. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Ruiz, M.D.'s license?
NPPES lists Massachusetts license number 227931, 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.
How much does Jennifer Ruiz, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Ruiz, M.D. had 647 Medicare Part D claims for 53 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
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.