Florencia Pereyra Segal, MD
Infectious Disease Physician · Boston, MA
Florencia Pereyra Segal, MD is an infectious disease physician with a practice address in Boston, Massachusetts, and NPI 1093706533, issued on Nov 3, 2005. Check the license (Massachusetts 225160, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Florencia Pereyra Segal
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 225160 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-5536
- Enumerated
- Nov 3, 2005
- Record last updated
- Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (617) 726-5411
- Medicare enrollment
- Enrolled (PECOS I20061027000314); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 487 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Florencia Pereyra Segal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 225160Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average infectious disease physician in 2024
107 Medicare Part D claims for 11 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 87% of claims.
Most prescribed
- Biktarvy63 claims
- Odefsey15 claims
- Hydrochlorothiazide11 claims
- Juluca11 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
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Florencia Pereyra Segal among 487 infectious disease physician records in Massachusetts
Florencia Pereyra Segal, MD is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1997 · median 2003 among the 296 with a school on file
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Massachusetts
There are 487 infectious disease physician records in Massachusetts.
All 487 in Massachusetts → Every provider in Boston → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Diana Brainard, MDBoston, MA 021141093705667
- Joan Butterton, MDBoston, MA 021141043200157
- Benjamin Davis, MDBoston, MA 021141912997537
- Marlene Durand, MDBoston, MA 021141598756058
- Jay Fishman, MDBoston, MA 021141912988106
- Marcia Goldberg, MDBoston, MA 021141700877834
- Deborah Hung, MDBoston, MA 021141629068267
- Sabina Islam, MDBoston, MA 021141275514390
Common questions
What is Florencia Pereyra Segal, MD's NPI number?
Florencia Pereyra Segal, MD's National Provider Identifier (NPI) is 1093706533, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Florencia Pereyra Segal, MD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-5536. Providers update this record themselves, so call before visiting.
How can I verify Florencia Pereyra Segal, MD's license?
NPPES lists Massachusetts license number 225160, 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 Florencia Pereyra Segal, MD prescribe under Medicare Part D?
In 2024, Florencia Pereyra Segal, MD had 107 Medicare Part D claims for 11 beneficiaries; 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.