Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. DANIEL PATRICK RYAN MD
NPI 1851382733
Surgery - Pediatric Surgery in Boston, MA

Q: What is Daniel Ryan's NPI number?

The NPI number for Daniel Ryan is 1851382733. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Q: What is Daniel Ryan's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Q: When was this NPI record last updated?

The NPPES record for Daniel Ryan was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 31, 2005PECOS Enrolled

55 FRUIT ST, WRN 1121, BOSTON, MA 02114(617) 726-8878(617) 726-2167 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Dr. Daniel Patrick Ryan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DANIEL PATRICK RYAN MD (NPI 1851382733) is an individual pediatric surgery provider in Boston, Massachusetts, licensed in Massachusetts (52328) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (1979).

NPPES Registry Identity

NPI1851382733

Entity TypeIndividualMale

Primary Taxonomy2086S0120X

Provider Legal NameDR. DANIEL PATRICK RYANCredential: MD

Location Address55 FRUIT ST, WRN 1121Boston, MA 02114-2696

Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894

Phone(617) 726-8878

Fax(617) 726-2167

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 1979

Enumeration DateOctober 31, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1851382733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0120X

License✔ Licensed in MA · 52328

Definition

A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.

55 FRUIT ST, Boston, MA 02114

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Other Identifiers 3

Other712554MA · Tufts Health Plan

OtherJ02917MA · Bcbs Ma

Medicaid3023648MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Daniel Patrick Ryan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456307081

PECOS Enrollment IDI20050328000462

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANDREW T CHAN M.D.

Internal Medicine (Gastroenterology)

55 FRUIT ST
BOSTON, MA 02114

Suffolk County (617) 726-3212

KALOYAN S TANEV MD

Psychiatry & Neurology (Psychiatry)

55 FRUIT ST, WARREN 1220
BOSTON, MA 02114

Suffolk County (617) 726-7511

DAVID MICHAEL SHAHIAN MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

55 FRUIT ST, MGH, BULFINCH 2
BOSTON, MA 02114

Suffolk County (617) 643-4335

DR. KATHLEEN BRIGID TRAINOR PSYD

Psychologist

55 FRUIT ST, YAW 6A MASSACHUSSETTS GENERAL HOSPITAL
BOSTON, MA 02114

Suffolk County (617) 724-6300

DR. FREDERIC DEBROS MD

Anesthesiology (Critical Care Medicine)

55 FRUIT ST, ANESTHESIA ASSOCIATES GRB 406E
BOSTON, MA 02114

Suffolk County (617) 724-7184

DR. MARGARET SETON MD

Internal Medicine (Rheumatology)

55 FRUIT ST, RHEUMATOLOGY ASSOCIATES YAW 2100
BOSTON, MA 02114

Suffolk County (617) 726-7938

DR. ZIV WILLIAMS MD

Neurological Surgery

55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL, WAC 745K
BOSTON, MA 02114

Suffolk County (617) 643-4102

DR. ROBERT CLIFFORD SCHNEIDER MD

Anesthesiology

55 FRUIT ST, WHITE 525
BOSTON, MA 02114

Suffolk County (617) 724-3566

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Ryan's NPI number?

The NPI number for Daniel Ryan is 1851382733. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Daniel Ryan located?

Daniel Ryan practices at 55 Fruit St Wrn 1121, Boston, MA 02114. The listed phone number is (617) 726-8878.

What is Daniel Ryan's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Daniel Ryan enrolled in Medicare?

Yes. Daniel Ryan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Daniel Ryan accept?

Health plans from Anthem Blue Cross and Blue Shield list Daniel Ryan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Daniel Ryan was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.