Active NPI
Nicholas Stephen Guittari, M. D.
- Geriatric Medicine (Internal Medicine) Physician
- Bayonne, NJ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Geriatric Medicine (Internal Medicine) Physician
- License
- MA050552
- Practice address
- 946 Avenue C
Bayonne, NJ 07002-3026 - Phone
- (201) 436-3900
- Fax
- (973) 746-8508
- NPI assigned
- Dec 20, 2006
- Last updated
- Jul 8, 2007
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Geriatric Medicine (Internal Medicine) Physician | 207RG0300X | MA050552 | NJ | Primary |
Addresses
Primary practice location
946 Avenue C
Bayonne, NJ 07002-3026
Mailing address
584 Ridgewood Ave
Glen Ridge, NJ 07028-1934
Phone (973) 746-7404
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 4511409 | Medicaid | NJ |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Geriatric Medicine
- Education
- Other, 1986
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
156 Lyons Ave
Newark, NJ 07112-2016
Phone (201) 436-3900
Hospital & facility affiliations
- Patient Care
- Barnabas Health Home Care and Hospice
- Barnabas Health Home Care and Hospice
- Cooperman Barnabas Medical Center
- Newark Beth Israel Medical Center
- The University Hospital
- White House Healthcare and Rehabilitation Center
- South Mountain HC
- New Community Extended Care Facility
Merit-based Incentive Payment System (MIPS)
- Final score
- 98.51 of 100
- Quality
- 84.27
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MA050552 | NJ | MD | Geriatric Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Newark Beth Israel Medical Center Inc | Past | Accepting new patients | |
| White House Healthcare Center LLC | Past | Accepting new patients | |
| White House Healthcare and Rehabilitation Center Inc. | Past | Accepting new patients |
Interoperability endpoints
- nguittari229330@epicdirect.rwjbh.org
Ownership & related parties
All facility ownership & control disclosures 2
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Daughters of Israel | Skilled nursing facility | Adp of the SNF | Sep 1, 2025 |
| New Community Health Care, Inc. | Skilled nursing facility | Adp of the SNF | Dec 30, 2025 |
Owned or controlled facilities with NPI records 2
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
Organizations & group practices 4
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Specialist
- Elizabeth, NJ
- NPI 1841557246
-
dba Newark Beth Israel Medical Center
- General Acute Care Hospital
- Newark, NJ
- NPI 1215027966
-
- Skilled Nursing Facility
- Orange, NJ
- NPI 1942275706
-
dba White House Healthcare & Rehabilitation Center
- Skilled Nursing Facility
- Orange, NJ
- NPI 1679286249
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Livingston, NJ
- NPI 1396857488
-
dba Newark Beth Israel Medical Center
- General Acute Care Hospital
- Newark, NJ
- NPI 1215027966
-
dba Patient Care
- Home Health Agency
- West Orange, NJ
- NPI 1922089929
-
- General Acute Care Hospital
- Newark, NJ
- NPI 1215998323
-
dba Barnabas Health Home Care and Hospice
- Community Based Hospice Care Agency
- West Orange, NJ
- NPI 1174520076
-
dba Barnabas Health Home Care and Hospice
- Home Health Agency
- West Orange, NJ
- NPI 1841302254
-
dba White House Healthcare & Rehabilitation Center
- Skilled Nursing Facility
- Orange, NJ
- NPI 1679286249
Nursing home
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1166572800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1183852800000",
"number": "1841354537",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "584 RIDGEWOOD AVE",
"city": "GLEN RIDGE",
"state": "NJ",
"postal_code": "070281934",
"telephone_number": "973-746-7404",
"fax_number": "973-746-8508"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "946 AVENUE C",
"city": "BAYONNE",
"state": "NJ",
"postal_code": "070023026",
"telephone_number": "201-436-3900",
"fax_number": "973-746-8508"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUITTARI",
"first_name": "NICHOLAS",
"middle_name": "STEPHEN",
"name_prefix": "Dr.",
"credential": "M. D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-12-20",
"last_updated": "2007-07-08",
"status": "A"
},
"taxonomies": [
{
"code": "207RG0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Geriatric Medicine",
"state": "NJ",
"license": "MA050552",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "4511409",
"state": "NJ"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Bayonne, NJ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.