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DR. EMILIANOS N KARAGIANNIS M.D.
NPI 1689657363
Internal Medicine - Gastroenterology in Manchester, NH

Active since November 27, 2005PECOS Enrolled
757 CHESTNUT ST, MANCHESTER, NH 03104(603) 624-8085(603) 627-4890 Get Directions Write a Review

NPPES record last updated: February 15, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Emilianos N Karagiannis M.d. NPPES

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

DR. EMILIANOS N KARAGIANNIS M.D. (NPI 1689657363) is an individual gastroenterology provider in Manchester, New Hampshire, licensed in New Hampshire (6926) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689657363
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. EMILIANOS N KARAGIANNISCredential: M.D.
Location Address757 CHESTNUT STManchester, NH 03104-3011
Mailing Address757 Chestnut StManchester, NH 03104-3011 · (603) 624-8085 · Fax (603) 627-4890
Phone(603) 624-8085
Fax(603) 627-4890
Sole ProprietorYes
Enumeration DateNovember 27, 2005
Last NPPES UpdateFebruary 15, 2021
NPPES CertifiedFebruary 15, 2021
✔ NPI 1689657363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NH · 6926
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
757 CHESTNUT ST, Manchester, NH 03104
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Emilianos N Karagiannis M.d. 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 Emilianos Karagiannis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Catholic Medical Center
3.1 mi
Family Medicine
20 WASHINGTON PL
Bedford, NH 03110
  • Reassigned Medicare billing, New Hampshire enrollment
  • 86 clinicians in this Medicare group
NPI 1972559904 (603) 663-8060
Granite State Gastrointestinal Consultants PLLC
11 mi
Gastroenterology
50 MICHELS WAY
Londonderry, NH 03053
  • Reassigned Medicare billing, New Hampshire enrollment
  • 12 clinicians in this Medicare group
NPI 1942214457 (603) 432-8802

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 03104 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.

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 Emilianos Karagiannis's NPI number?

The NPI number for Emilianos Karagiannis is 1689657363. It was assigned to this individual provider in the NPPES registry on November 27, 2005.

Where is Emilianos Karagiannis located?

Emilianos Karagiannis practices at 757 Chestnut St, Manchester, NH 03104. The listed phone number is (603) 624-8085.

What is Emilianos Karagiannis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Emilianos Karagiannis enrolled in Medicare?

Yes. Emilianos Karagiannis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Emilianos Karagiannis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emilianos Karagiannis reassigns Medicare benefits to 2 organizations: Catholic Medical Center (Bedford, NH) and Granite State Gastrointestinal Consultants PLLC (Londonderry, NH). 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 Emilianos Karagiannis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Emilianos Karagiannis was last updated on February 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.