DR. RYAN THOMAS CALLAHAN DPM
NPI 1265010284
Podiatrist in Boston, MA

Q: What is Ryan Callahan's NPI number?

The NPI number for Ryan Callahan is 1265010284. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Q: What is Ryan Callahan's specialty?

The primary specialty registered for this NPI is Podiatrist with taxonomy code 213E00000X.

Q: When was this NPI record last updated?

The NPPES record for Ryan Callahan was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 31, 2021PECOS Enrolled

150 S HUNTINGTON AVE, BOSTON, MA 02130(857) 364-4802 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 30, 2024, Mar 31, 2021 (2 updates tracked since 2021).

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About Dr. Ryan Thomas Callahan Dpm NPPES

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

DR. RYAN THOMAS CALLAHAN DPM (NPI 1265010284) is an individual podiatrist in Boston, Massachusetts, licensed in California (E6042) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265010284

Entity TypeIndividualMale

Primary Taxonomy213E00000X

Provider Legal NameDR. RYAN THOMAS CALLAHANCredential: DPM

Location Address150 S HUNTINGTON AVEBoston, MA 02130-4817

Mailing Address150 S Huntington AveBoston, MA 02130-4817 · (857) 364-4802

Phone(857) 364-4802

Sole ProprietorNo

Enumeration DateMarch 31, 2021

Last NPPES UpdateFebruary 12, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 12, 2026

✔ NPI 1265010284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatristPodiatric Medicine & Surgery Service Providers

Taxonomy Code213E00000X

License✔ Licensed in CA · E6042

Definition

A podiatrist is a person qualified by a Doctor of Podiatric Medicine (D.P.M.) degree, licensed by the state, and practicing within the scope of that license. Podiatrists diagnose and treat foot diseases and deformities. They perform medical, surgical and other operative procedures, prescribe corrective devices and prescribe and administer drugs and physical therapy.

150 S HUNTINGTON AVE, Boston, MA 02130

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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. Ryan Thomas Callahan Dpm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 02130 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

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

Most-billed visit code 99213

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.

DR. KAREN SUZANNE MITCHELL PHD

Psychologist (Clinical)

150 S HUNTINGTON AVE, 116B-3
BOSTON, MA 02130

Suffolk County (857) 364-2149

JENNA MARIE RENZULLI

Social Worker (Clinical)

150 S HUNTINGTON AVE
BOSTON, MA 02130

Suffolk County (617) 390-4872

TAYLOR LEIGH BROOKS PHD

Psychologist

150 S HUNTINGTON AVE
BOSTON, MA 02130

Suffolk County (857) 364-3189

DR. VALIA A BOOSALIS MD

Internal Medicine (Hematology & Oncology)

150 S HUNTINGTON AVE, IIIHO
BOSTON, MA 02130

Suffolk County (617) 232-9500

MS. RACHEL FAWN FURMAN R.N.

Registered Nurse

150 S HUNTINGTON AVE
BOSTON, MA 02130

Suffolk County (508) 649-1118

DR. KALYN ELIZABETH LAZAR PHARMD

Pharmacist

150 S HUNTINGTON AVE
BOSTON, MA 02130

Suffolk County (610) 217-0908

MRS. ELAINE MARIE FINNERAL LICSW

Social Worker (Clinical)

150 S HUNTINGTON AVE
BOSTON, MA 02130

Suffolk County (857) 364-5770

BARBARA L NILES PHD

Psychologist (Clinical)

150 S HUNTINGTON AVE, VA BOSTON HEALTHCARE SYSTEM
BOSTON, MA 02130

Suffolk County (857) 364-4128

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 Ryan Callahan's NPI number?

The NPI number for Ryan Callahan is 1265010284. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Where is Ryan Callahan located?

Ryan Callahan practices at 150 S Huntington Ave, Boston, MA 02130. The listed phone number is (857) 364-4802.

What is Ryan Callahan's specialty?

The primary specialty registered for this NPI is Podiatrist with taxonomy code 213E00000X.

Is Ryan Callahan enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Ryan Callahan was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.