MR. GREGORY MAYER
NPI 1023717501
Student in an Organized Health Care Education/Training Program in Lebanon, NH

Q: What is Gregory Mayer's NPI number?

The NPI number for Gregory Mayer is 1023717501. It was assigned to this individual provider in the NPPES registry on February 23, 2023.

Q: What is Gregory Mayer's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Mayer was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 February 23, 2023PECOS Enrolled

1 MEDICAL CENTER DR, DHMC DEPT OF ANESTHESIOLOGY, LEBANON, NH 03756(603) 650-5000 Get Directions Write a Review

NPPES record last updated: April 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 11, 2025, Mar 28, 2025, Feb 23, 2023 (3 updates tracked since 2023).

On this page

About Mr. Gregory Mayer NPPES

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

MR. GREGORY MAYER (NPI 1023717501) is an individual student in an organized health care education/training program in Lebanon, New Hampshire and active in the NPI registry since February 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023717501

Entity TypeIndividualMale

Primary Taxonomy390200000X

Provider Legal NameMR. GREGORY MAYER

Location Address1 MEDICAL CENTER DR, DHMC DEPT OF ANESTHESIOLOGYLebanon, NH 03756-0001

Mailing Address1 Medical Center Dr, Dhmc Dept Of AnesthesiologyLebanon, NH 03756-0001 · (603) 650-5000

Phone(603) 650-5000

Sole ProprietorYes

Enumeration DateFebruary 23, 2023

Last NPPES UpdateApril 11, 20253 updates tracked since enumeration

NPPES CertifiedApril 11, 2025

✔ NPI 1023717501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care

Taxonomy Code390200000X

Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

1 MEDICAL CENTER DR, Lebanon, NH 03756

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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)

Mr. Gregory Mayer 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.

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.

MRS. JANICE M BRENNAN APRN

Nurse Practitioner (Family)

1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756

Grafton County (603) 560-5000

MS. SHELLEY GRACE BENSON R.PH.

Pharmacist (Oncology)

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5417

ELIAS LOUKAS M.D.

Internal Medicine

1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756

Grafton County (603) 650-8380

SARAH S SEO MD

Otolaryngology

1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756

Grafton County (603) 650-8123

DR. SRINIVAS J. IVATURY MD

Colon & Rectal Surgery

1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756

Grafton County (603) 650-8113

TIMOTHY EARLEY D.O.

Student in an Organized Health Care Education/Training Program

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (201) 694-0663

HANNAH ELIZABETH FOOTE BENSIMHON M.D.

Internal Medicine (Cardiovascular Disease)

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5000

EMILE JOSEPH HASAN M.D.

Student in an Organized Health Care Education/Training Program

1 MEDICAL CENTER DR
LEBANON, NH 03756

Grafton County (603) 650-5000

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 Mayer's NPI number?

The NPI number for Gregory Mayer is 1023717501. It was assigned to this individual provider in the NPPES registry on February 23, 2023.

Where is Gregory Mayer located?

Gregory Mayer practices at 1 Medical Center Dr Dhmc Dept Of Anesthesiology, Lebanon, NH 03756. The listed phone number is (603) 650-5000.

What is Gregory Mayer's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Gregory Mayer enrolled in Medicare?

Yes. Gregory Mayer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Mayer was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.