DR. HAROLD ISAACSON M.D.
NPI 1952513186
Internal Medicine - Hematology & Oncology in Toms River, NJ

Q: What is Harold Isaacson's NPI number?

The NPI number for Harold Isaacson is 1952513186. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Q: What is Harold Isaacson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Harold Isaacson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since May 03, 2007

671 DAVE MARION RD, TOMS RIVER, NJ 08753(732) 349-0113 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Harold Isaacson M.d. NPPES

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

DR. HAROLD ISAACSON M.D. (NPI 1952513186) is an individual hematology & oncology provider in Toms River, New Jersey, licensed in New Jersey (MA022187) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1952513186

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. HAROLD ISAACSONCredential: M.D.

Location Address671 DAVE MARION RDToms River, NJ 08753-4313

Mailing Address671 Dave Marion RdToms River, NJ 08753-4313 · (732) 349-0113

Phone(732) 349-0113

Sole ProprietorYes

Enumeration DateMay 3, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1952513186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in NJ · MA022187

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

671 DAVE MARION RD, Toms River, NJ 08753

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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 Harold Isaacson's NPI number?

The NPI number for Harold Isaacson is 1952513186. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Harold Isaacson located?

Harold Isaacson practices at 671 Dave Marion Rd, Toms River, NJ 08753. The listed phone number is (732) 349-0113.

What is Harold Isaacson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Harold Isaacson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.