Harold Isaacson, M.D.
NPI 1952513186 · Hematology & Oncology Physician · Toms River, NJ
Harold Isaacson, M.D. is a Hematology & Oncology Physician provider in Toms River, NJ (NPI 1952513186).
Provider details
- NPI number
- 1952513186
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA022187 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Harold Isaacson's NPI number?
- Harold Isaacson's National Provider Identifier (NPI) is 1952513186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Isaacson's specialty?
- Harold Isaacson is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Isaacson located?
- Harold Isaacson's practice location on file with NPPES is 671 Dave Marion Rd, Toms River, NJ 08753-4313.
- What is Harold Isaacson's phone number?
- The practice phone number listed in the NPPES registry for Harold Isaacson is (732) 349-0113.
- Is Harold Isaacson's NPI active?
- Yes — Harold Isaacson's NPI (1952513186) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.