Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Joseph Grizzanti, DO

Individual provider Allergy & Immunology Physician · NPI 1932107554

Joseph Grizzanti, DO is a Pulmonary Disease in Hawthorne, New Jersey. Graduated from Philadelphia College of Osteopathic Medicine in 1976, 50 years ago. Practices with Sovereign Medical Group LLC, a 20-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
50
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
NJ
In the registry since
2005
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

297 Lafayette Ave
Hawthorne, NJ 07506-1919
Phone: (973) 790-4111
Fax: (973) 790-4330
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 33971 (NJ)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 33971 (NJ)

Record details

NPI number1932107554
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 8, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesALLERGY/IMMUNOLOGY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1976 (50 years in practice)
Group practice Sovereign Medical Group Llc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount