DR. EDWARD THOMAS RYAN (MD) – Infectious Disease Physician, NPI 1255321022

DR. EDWARD THOMAS RYAN (MD) is a healthcare provider. based in Boston, Massachusetts. specializing in INFECTIOUS DISEASE, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 72191 (MA). The NPI Number for DR. EDWARD THOMAS RYAN (MD) is 1255321022

Main info

Male
38 Years Of Experience
Accepts Medicare Assignment
Name
DR. EDWARD THOMAS RYAN (MD)
NPI
1255321022
Phone
(617) 726-6175
Address
55 FRUIT ST
Enumeration Date
24 October 2005
Last Update Date
23 October 2012

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
6177240287
Graduation Year
1988 (38 years ago)
PAC ID
9739136359
Group Practice PAC ID
2466365820
Professional Enrollment ID
I20050406000364
Address ID
MA021142696BO55XXXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

539 INFECTIOUS DISEASE in MA

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Provider Addresses for DR. EDWARD THOMAS RYAN (MD)

  • Massachusetts General Hospital, 55, Fruit Street, Beacon Hill, Boston, Suffolk County, Massachusetts, 02114, United States

    GRJ 5 INFECTIOUS DISEASE ASSOCIATES

    BOSTON, MA 021142696

    Phone: (617) 726-6175

    Fax: (617) 726-7416

    Type: Location

  • Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom

    MASS GENERAL PHYSICIAN ORGANIZATION

    CHARLESTOWN, MA 021299142

    Phone: (617) 724-6454

    Fax: (617) 726-7653

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-04-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050406000364IInfectious DiseaseMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes8034$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes5523$0
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes3415$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes2929$0
View full utilization report →

Insurance plans in this area (ZIP 02114)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2466365820View full group profile
NameSpecialtyState
G A S T R O E N T E R O L O G YMA
Diagnostic RadiologyMA
Nephrology, Internal MedicineMA
Nurse PractitionerMA
P A T H O L O G YNY
P A T H O L O G YMA
P S Y C H I A T R YMA
Cardiac Electrophysiology, Internal Medicine, Cardiovascular Disease (Cardiology)MA
H E M A T O L O G Y/ O N C O L O G YMA
N E U R O L O G YMA

Reviews

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Frequently asked questions

Can I verify DR. EDWARD THOMAS RYAN (MD) with an NPI only?
You can start verification with NPI 1255321022 for DR. EDWARD THOMAS RYAN (MD), then check state licensing separately.
Is DR. EDWARD THOMAS RYAN (MD) listed as active for patients and plans?
The listing shows DR. EDWARD THOMAS RYAN (MD) as active in the NPI system.
What healthcare role does DR. EDWARD THOMAS RYAN (MD) hold?
Scheduling teams often label DR. EDWARD THOMAS RYAN (MD) under Infectious Disease Physician. Clinical services aligned with this taxonomy classification.
Where is DR. EDWARD THOMAS RYAN (MD) based?
DR. EDWARD THOMAS RYAN (MD) is tied to Boston, Massachusetts in the data we show; additional addresses may exist on the full record.
Why does DR. EDWARD THOMAS RYAN (MD) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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