Alyssa Fae Bacay, DO
Infectious Disease Physician · Roxbury, MA
Alyssa Fae Bacay, DO is an infectious disease physician with a practice address in Roxbury, Massachusetts, and NPI 1205456274, issued on Apr 20, 2020. Check the license (Massachusetts 1023905, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alyssa Fae Bacay
- Credential
- DO
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 1023905 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1290 Tremont St, Roxbury, MA 02120
- Phone
- (617) 427-1000
- Enumerated
- Apr 20, 2020
- Record last updated
- Aug 11, 2025
- Entity
- Type 1 · individual
Also registered at 1290 Tremont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claritza AcostaStudent in an Organized Health Care Education/Training Program1871482513
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- Juanita Baker, DMDDentist1770260721
- Andrea Biondi, DNPNurse Practitioner1891872859
- Bassel BoulosGeneral Practice Dentistry1467902155
Verify Alyssa Fae Bacay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1023905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average infectious disease physician in 2024
20 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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.
Infectious Disease Physician providers in Massachusetts
There are 487 infectious disease physician records in Massachusetts.
Other infectious disease physician records in Massachusetts
- Salah Abdelgadir, MDBoston, MA1891280954
- Carlos Acuna-VillaordunaBoston, MA1598922742
- Marylyn Addo, MDBoston, MA1700907151
- Jonathan Adler, MDWinchester, MA1255372884
- Irma Alarcon Najera, M.D.Brockton, MA1548416449
- John Albin, MD, PHDBoston, MA1528472644
- Mary Albrecht, M.D.Boston, MA1386737856
- Geneve Allison, M.D.Boston, MA1457361933
- Carolyn Alonso, M.D.Boston, MA1841336039
- Pilar Alonso, M.D.Wareham, MA1841295748
Common questions
What is Alyssa Fae Bacay, DO's NPI number?
Alyssa Fae Bacay, DO's National Provider Identifier (NPI) is 1205456274, issued on Apr 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Fae Bacay, DO located?
The NPPES record lists a practice address at 1290 Tremont St, Roxbury, MA, 02120. Phone: (617) 427-1000. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Fae Bacay, DO's license?
NPPES lists Massachusetts license number 1023905, 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 Alyssa Fae Bacay, DO prescribe under Medicare Part D?
In 2024, Alyssa Fae Bacay, DO had 20 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.