Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GARY ROTHLAND HARTWELL D.D.S.
NPI 1396700589
Dentist - Endodontics in Newark, NJ

Q: What is Gary Hartwell's NPI number?

The NPI number for Gary Hartwell is 1396700589. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Q: What is Gary Hartwell's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Q: When was this NPI record last updated?

The NPPES record for Gary Hartwell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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 April 19, 2006

110 BERGEN ST, UMDNJ-NJDS, C-790, NEWARK, NJ 07103(973) 972-5329(973) 972-0328 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Gary Rothland Hartwell D.d.s. NPPES

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

DR. GARY ROTHLAND HARTWELL D.D.S. (NPI 1396700589) is an individual endodontics provider in Newark, New Jersey, licensed in New Jersey (01582) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1396700589

Entity TypeIndividualMale

Primary Taxonomy1223E0200X

Provider Legal NameDR. GARY ROTHLAND HARTWELLCredential: D.D.S.

Location Address110 BERGEN ST, UMDNJ-NJDS, C-790Newark, NJ 07103-2495

Mailing Address4107 W Franklin StRichmond, VA 23221-1107 · (804) 353-3175

Phone(973) 972-5329

Fax(973) 972-0328

Sole ProprietorNo

Enumeration DateApril 19, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1396700589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers

Taxonomy Code1223E0200X

License✔ Licensed in NJ · 01582

Definition

The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

110 BERGEN ST, Newark, NJ 07103

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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.

LEAH SOOYEON NAM DMD

Student in an Organized Health Care Education/Training Program

110 BERGEN ST
NEWARK, NJ 07103

Essex County (973) 972-9592

DR. THOMAS GREGORY KEELING D.M.D.

Student in an Organized Health Care Education/Training Program

110 BERGEN ST, C723
NEWARK, NJ 07103

Essex County (973) 972-4621

DR. CHERYL LYNN BIBER D.M.D.

Dentist (General Practice)

110 BERGEN ST, UMDNJ - NEW JERSEY DENTAL SCHOOL
NEWARK, NJ 07103

Essex County (973) 972-0833

KEVIN LE DDS

Student in an Organized Health Care Education/Training Program

110 BERGEN ST
NEWARK, NJ 07103

Essex County (973) 972-3126

DR. JULYANA GOMES ZAGURY DMD, MSD

Dentist (General Practice)

110 BERGEN ST, RM D860
NEWARK, NJ 07103

Essex County (973) 972-7210

CLAUDIA SOTO

Dentist (General Practice)

110 BERGEN ST
NEWARK, NJ 07103

Essex County (862) 245-1222

DR. STEVEN MARK BAUM

Dentist (Oral and Maxillofacial Surgery)

110 BERGEN ST, UMDNJ DS C-768
NEWARK, NJ 07103

Essex County (973) 972-4717

DR. REBECCA REED DMD

Dentist

110 BERGEN ST, SUITE 7700
NEWARK, NJ 07103

Essex County (972) 972-2444

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 Gary Hartwell's NPI number?

The NPI number for Gary Hartwell is 1396700589. It was assigned to this individual provider in the NPPES registry on April 19, 2006.

Where is Gary Hartwell located?

Gary Hartwell practices at 110 Bergen St Umdnj-Njds, C-790, Newark, NJ 07103. The listed phone number is (973) 972-5329.

What is Gary Hartwell's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

When was this NPI record last updated?

The NPPES record for Gary Hartwell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.