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DR. KATHERINE P RYAN MD
NPI 1548765852
Emergency Medicine - Pediatric Emergency Medicine in Boston, MA

Active since March 28, 2018PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 7, 2022, Mar 11, 2019, Feb 1, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Katherine P Ryan Md NPPES

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

DR. KATHERINE P RYAN MD (NPI 1548765852) is an individual pediatric emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1023422) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2018).

NPPES Registry Identity

NPI1548765852
Entity TypeIndividualFemale
Primary Taxonomy207PP0204X
Provider Legal NameDR. KATHERINE P RYANCredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Phone(617) 355-6000
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 2018
Enumeration DateMarch 28, 2018
Last NPPES UpdateAugust 18, 20254 updates tracked since enumeration
NPPES CertifiedAugust 18, 2025
✔ NPI 1548765852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207PP0204X
License✔ Licensed in MA · 1023422
Definition
Pediatric Emergency Medicine is a clinical subspecialty that focuses on the care of the acutely ill or injured child in the setting of an emergency department.
300 LONGWOOD AVE, Boston, MA 02115
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katherine P Ryan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9234639915
PECOS Enrollment IDI20250826003354
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MRS. LAUREN ASHLEY SHARIS P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

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 Katherine Ryan's NPI number?

The NPI number for Katherine Ryan is 1548765852. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Katherine Ryan located?

Katherine Ryan practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Katherine Ryan's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.

Is Katherine Ryan enrolled in Medicare?

Yes. Katherine Ryan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Ryan was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.