Joseph Grizzanti, DO
Allergy & Immunology (Internal Medicine) Physician · Hawthorne, NJ
Joseph Grizzanti, DO is an allergy & immunology (internal medicine) physician with a practice address in Hawthorne, New Jersey, and NPI 1932107554, issued on Jul 8, 2005. Check the license (New Jersey 33971, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joseph Grizzanti
- Credential
- DO
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- 33971 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 297 Lafayette Ave, Hawthorne, NJ 07506
- Phone
- (973) 790-4111
- Enumerated
- Jul 8, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (973) 790-4330
- Medicaid ID
- 1207709 NJ
- Medicare enrollment
- Enrolled (PECOS I20110309000128); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1976
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 16 in New Jersey → Look up another NPI →
Also registered at 297 Lafayette Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omid Dardashti, M.D.Cardiovascular Disease Physician1639295686
- Anthony Mangieri, PAMedical Physician Assistant1881838068
Verify Joseph Grizzanti in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 33971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average allergy & immunology (internal medicine) physician in 2024
3,044 Medicare Part D claims for 460 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone346 claims
- Azithromycin328 claims
- Symbicort213 claims
- Budesonide-Formoterol Fumarate196 claims
- Qvar Redihaler181 claims
- Famotidine135 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 98.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $6,482.70
54 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 321 providers of this specialty with any payment received $7,456.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sovereign Medical Group LLCGlen Rock, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Grizzanti among 16 allergy & immunology (internal medicine) physician records in New Jersey
Joseph Grizzanti, DO is one of 16 allergy & immunology (internal medicine) physician records with a practice address in New Jersey. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 69% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1976 · median 1985 among the 10 with a school on file
- Record last updated2026 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in New Jersey
There are 16 allergy & immunology (internal medicine) physician records in New Jersey.
All 16 in New Jersey → Every provider in Hawthorne → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Salvatore Dangelo, M DRidgewood, NJ 074501245215664
- Juan Ravell, M.D.Hackensack, NJ 076011629301817
- June Winkler, MDHasbrouck Heights, NJ 076041376757112
- Stephen Bigelsen, M.D.Dover, NJ 078011780611574
- Thomas Giangrasso, M.D.Succasunna, NJ 078761609810449
- Adeniyi Ogunkoya, MDIrvington, NJ 071111356432678
- Steven Schutzer, MDNewark, NJ 071031518166883
- Robert Abels, MDWestfield, NJ 070901366734972
Common questions
What is Joseph Grizzanti, DO's NPI number?
Joseph Grizzanti, DO's National Provider Identifier (NPI) is 1932107554, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Grizzanti, DO located?
The NPPES record lists a practice address at 297 Lafayette Ave, Hawthorne, NJ, 07506. Phone: (973) 790-4111. Providers update this record themselves, so call before visiting.
How can I verify Joseph Grizzanti, DO's license?
NPPES lists New Jersey license number 33971, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Grizzanti, DO prescribe under Medicare Part D?
In 2024, Joseph Grizzanti, DO had 3,044 Medicare Part D claims for 460 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.
What is Joseph Grizzanti, DO's MIPS final score?
The 2023 MIPS final score is 98.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.