Edward Thomas Ryan, MD
Infectious Disease Physician · Boston, MA
Edward Thomas Ryan, MD is an infectious disease physician with a practice address in Boston, Massachusetts, and NPI 1255321022, issued on Oct 24, 2005. Check the license (Massachusetts 72191, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Edward Thomas Ryan
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 72191 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-6175
- Enumerated
- Oct 24, 2005
- Record last updated
- Oct 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (617) 726-7416
- Medicaid ID
- 3168735 MA
- Medicare enrollment
- Enrolled (PECOS I20050406000364); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1988
- 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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- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Edward Thomas Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 72191Check 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 infectious disease physician in 2024
50 Medicare Part D claims for 19 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin14 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
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Edward Thomas Ryan among 487 infectious disease physician records in Massachusetts
Edward Thomas Ryan, 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
- Graduated1988 · median 2003 among the 296 with a school on file
- Record last updated2012 · 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 Edward Thomas Ryan, MD's NPI number?
Edward Thomas Ryan, MD's National Provider Identifier (NPI) is 1255321022, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Edward Thomas Ryan, MD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-6175. Providers update this record themselves, so call before visiting.
How can I verify Edward Thomas Ryan, MD's license?
NPPES lists Massachusetts license number 72191, 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 Edward Thomas Ryan, MD prescribe under Medicare Part D?
In 2024, Edward Thomas Ryan, MD had 50 Medicare Part D claims for 19 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.