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

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: October 25, 2026.

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

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
Open in Google Maps ↗

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Evan Callahan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Concord Hospital-Laconia
0.1 mi
Family Medicine
85 SPRING ST
Laconia, NH 03246
  • Reassigned Medicare billing, New Hampshire enrollment
  • 409 clinicians in this Medicare group
NPI 1053993741 (603) 524-3211
Corry Memorial Hospital Association
433 mi
Critical Access
965 SHAMROCK LN
Corry, PA 16407
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Also billed through NPI 1841268877 (Pennsylvania)
  • 9 clinicians in this Medicare group
NPI 1255788014 (814) 664-4641

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 527-2977
LAKES REGION ANESTHESIOLOGY PA
Anesthesiology
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 524-3211
DR. MARIE ANN ARRINGDALE M.D.
Emergency Medicine
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 524-3211
MR. SHADD LAGRANDEUR M.A., CCC-SLP
Speech-Language Pathologist
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 527-2888
LRGHEALTHCARE
Clinical Medical Laboratory
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 524-3211
DR. STEPHANIE NEVILLE MD
Internal Medicine
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 524-3211
THOMAS B SCOTT MD
Family Medicine
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 527-2819
CONCORD HOSPITAL-LACONIA
General Acute Care Hospital
80 HIGHLAND ST
LACONIA, NH 03246
Belknap County (603) 524-3211

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 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.

Where is Evan Callahan located?

Evan Callahan practices at 80 Highland St, Laconia, NH 03246. The listed phone number is (603) 524-3211.

What is Evan Callahan's specialty?

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

Is Evan Callahan enrolled in Medicare?

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

Which organizations bill Medicare for Evan Callahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Evan Callahan reassigns Medicare benefits to 2 organizations: Concord Hospital-Laconia (Laconia, NH) and Corry Memorial Hospital Association (Corry, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Evan Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Evan Callahan accept?

Health plans from WellSense Health Plan list Evan Callahan 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 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 2 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.