Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

EVAN JAMES CALLAHAN DO
NPI 1184309122
Internal Medicine in Laconia, NH

Q: What is Evan Callahan's NPI number?

The NPI number for Evan Callahan is 1184309122. It was assigned to this individual provider in the NPPES registry on June 19, 2023.

Q: What is Evan Callahan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Evan Callahan was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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 June 19, 2023PECOS Enrolled

80 HIGHLAND ST, LACONIA, NH 03246(603) 524-3211(603) 227-7574 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 11, 2026, Jun 19, 2023 (2 updates tracked since 2023).

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About Evan James Callahan Do NPPES

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

EVAN JAMES CALLAHAN DO (NPI 1184309122) is an individual internal medicine provider in Laconia, New Hampshire, licensed in New Hampshire (40056) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1184309122

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameEVAN JAMES CALLAHANCredential: DO

Location Address80 HIGHLAND STLaconia, NH 03246-3235

Mailing Address250 Pleasant StConcord, NH 03301-2598 · (603) 227-7000 · Fax (603) 230-7405

Phone(603) 524-3211

Fax(603) 227-7574

Sole ProprietorYes

Enumeration DateJune 19, 2023

Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration

NPPES CertifiedAugust 11, 2026

✔ NPI 1184309122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in NH · 40056✔ Licensed in PA · OT022669

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

80 HIGHLAND ST, Laconia, NH 03246

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Secondary Practice Locations 2

Location 15515 Peach StErie, PA 16509-2695 · Phone (814) 868-8294 · Fax (814) 868-2489

Location 215 Aiken AveFranklin, NH 03235-1259 · Phone (603) 934-2060 · Fax (603) 934-5524

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Evan James Callahan Do 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 03246 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

$132.09 typical visit price

range $57.75 – $174.26

Typical copayment $33.02 (range $14.43 – $43.56)

Most-billed visit code 99204

Established Patient

$101.54 typical visit price

range $18.70 – $142.15

Typical copayment $25.38 (range $4.67 – $35.53)

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.

DR. NICOLETTE ALEXANDRIA METRUSIAS M.D.

Emergency Medicine