1. Home
  2. Directory
  3. New Hampshire
  4. Manchester
  5. Internal Medicine
  6. NPI Profile

MR. GREGORY M MCCARTHY M.D.
NPI 1942393525
Internal Medicine - Gastroenterology in Manchester, NH

Active since October 02, 2006PECOS EnrolledAccepts Medicare Assignment
100 HITCHCOCK WAY, MANCHESTER, NH 03104(603) 695-2500(603) 369-6365 Get Directions Write a Review

NPPES record last updated: August 19, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 19, 2022, Oct 11, 2021, Oct 4, 2021 and 1 more (4 updates tracked since 2020).

About Mr. Gregory M Mccarthy M.d. NPPES

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

MR. GREGORY M MCCARTHY M.D. (NPI 1942393525) is an individual gastroenterology provider in Manchester, New Hampshire, licensed in New Hampshire (7256) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and maintains a secondary practice location in Longmont.

NPPES Registry Identity

NPI1942393525
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMR. GREGORY M MCCARTHYCredential: M.D.
Location Address100 HITCHCOCK WAYManchester, NH 03104-4125
Mailing Address100 Hitchcock WayManchester, NH 03104-4125 · (603) 308-1467
Phone(603) 695-2500
Fax(603) 369-6365
Sole ProprietorYes
Medical School CMSOtherGraduated 1980
Enumeration DateOctober 2, 2006
Last NPPES UpdateAugust 19, 20224 updates tracked since enumeration
NPPES CertifiedAugust 17, 2022
✔ NPI 1942393525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in NH · 7256✔ Licensed in CO · CDR.0000643
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.
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License CDR.0000643 (CO)
100 HITCHCOCK WAY, Manchester, NH 03104
Open in Google Maps ↗

Secondary Practice Location 1

Location 12030 Mountain View AveLongmont, CO 80501-3178 · Phone (720) 652-8650 · Fax (720) 652-8655

Other Identifiers 1

Medicaid3081639NH

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Gregory M Mccarthy M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800889338
PECOS Enrollment IDI20040408000271
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.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
67 services66 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
61 services61 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
53 services52 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
41 services41 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
37 services37 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
28 services27 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph Hospital

Acute Care Hospitals · Nashua, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number300011
Location172 Kinsley StNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Elliot Hospital

Acute Care Hospitals · Manchester, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300012
Location1 Elliot WayManchester, NH 03103 · Hillsborough County
Emergency services Birthing friendly

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.

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. MAYRA BEAUCHAMP BRUNO M.D.
Dermatology
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Hillsborough County (603) 695-2500
LAUREN JEAN WELTON PA-C
Physician Assistant (Surgical)
100 HITCHCOCK WAY, D-H MANCHESTER, GENERAL SURGERY
MANCHESTER, NH 03104
Hillsborough County (603) 695-2840
JONATHAN S LEE D.P.M
Podiatrist (Foot & Ankle Surgery)
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Hillsborough County (603) 695-2998
DR. JASON AKERMAN MD
Urology
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Hillsborough County (603) 629-8222
STEPHANIE W SCRIPTURE APRN
Nurse Practitioner
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Hillsborough County (603) 695-2500
KEVIN Y RIVERA COLON MD
Radiology (Diagnostic Radiology)
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Hillsborough County (603) 695-2500
JENNY LIN MD
Internal Medicine (Rheumatology)
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Hillsborough County (603) 695-2500
REBECCA ELIZABETH KADISH M.D.
Anesthesiology
100 HITCHCOCK WAY
MANCHESTER, NH 03104
Hillsborough County (603) 695-2500

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 Gregory Mccarthy's NPI number?

The NPI number for Gregory Mccarthy is 1942393525. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Gregory Mccarthy located?

Gregory Mccarthy practices at 100 Hitchcock Way, Manchester, NH 03104. The listed phone number is (603) 695-2500.

What is Gregory Mccarthy's specialty?

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

Is Gregory Mccarthy enrolled in Medicare?

Yes. Gregory Mccarthy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Mccarthy accept?

Health plans from WellSense Health Plan list Gregory Mccarthy 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.

Is Gregory Mccarthy affiliated with any hospitals?

According to CMS data, Gregory Mccarthy is affiliated with St Joseph Hospital and Elliot Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Mccarthy was last updated on August 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.