Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1114951241 Deactivated / Inactive NPI Male Practitioner

Dr. Jack N Meltzer , MD

Internal Medicine • Peabody, MA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Jack Meltzer has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 11, 2006
NPI Deactivation Date March 26, 2026
Total Practice Duration ~20 Years of Practice (2006 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Jack Meltzer, MD was a registered Internal Medicine practicing in Peabody, MA. Throughout an active medical career spanning 20 years, Dr. Meltzer provided care at the practice location at 2 ESSEX CENTER DR until profile deactivation on 2026-03-26.

Practice Location & Contact Primary Location

Practice Address

2 Essex Center Dr
Internal Medicine

Peabody, MA 019602902

Telephone 9789774210
Fax 9789774226
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Peabody, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 31.1 Yrs
State Avg: 29.3 Yrs
Regional Practice Density
49 Specialists

Practicing in Peabody, MA (7127 Statewide)

Telehealth Adoption Rate
55.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 57832

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

10 Associated Practitioners
Linda Puopolo , FNP-BC

Nurse Practitioner - Family

NPI 1134978257

Family Nurse Practitioner (Board Certified)

Natalie Kendall , PA-C

Physician Assistant

NPI 1326615865

Physician Assistant (Certified)

Dr. Sarah Gates , MD

Internal Medicine

NPI 1376580548

Doctor of Medicine (M.D.)

Dr. Daniel Randall , MD

Internal Medicine

NPI 1407866171

Doctor of Medicine (M.D.)

Mridul Kontamwar

Internal Medicine

NPI 1477743870
Dr. Cynthia Mazzoni , MD

Internal Medicine

NPI 1588620892

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated March 26, 2026

Record deactivated on March 26, 2026

NPI Profile Active June 27, 2011

NPI status registered as active in NPPES database

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Updated Practice Location June 27, 2011

Registered at 2 ESSEX CENTER DR, INTERNAL MEDICINE, PEABODY, MA 019602902 (Tel: 9789774210)

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Updated Business Mailing Address June 27, 2011

Registered at 147 MILK ST, PROVIDER ENROLLMENT - 9TH FLOOR, BOSTON, MA 021094806 (Tel: 6175598374)

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Provider Name / Credentials Updated June 27, 2011

Recorded as JACK MELTZER, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) June 27, 2011

Internal Medicine (License #57832 in MA)

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Initial NPI Registration & Enumeration July 11, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1114951241
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 11, 2006
Last Update: June 27, 2011
Deactivation Date: March 26, 2026

Mailing Address

147 Milk St, Provider Enrollment - 9th Floor

Boston, MA 021094806

Phone: 6175598374

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.