Active NPI
Harmony Medical Services of New Jersey LLC
Doing business as Harmonycares Medical Group
- Family Medicine Physician
- Montclair, NJ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- Legal business name
- HARMONY MEDICAL SERVICES OF NEW JERSEY LLC
- Doing business as
- Harmonycares Medical Group
- Practice address
- 28 Valley Rd # 148
Montclair, NJ 07042-2709 - Phone
- (973) 707-3911
- Fax
- (201) 918-4037
- NPI assigned
- Nov 18, 2020
- Last updated
- Sep 30, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Jonathan Feldstein, MD
- Title
- Owner
- Phone
- (248) 824-6600
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | Primary | ||
| Internal Medicine Physician | 207R00000X | |||
| Pediatrics Physician | 208000000X | |||
| General Practice Physician | 208D00000X |
Addresses
Primary practice location
28 Valley Rd # 148
Montclair, NJ 07042-2709
Mailing address
PO Box 40409
Belfast, ME 04915-1255
Phone (973) 707-3911
Other names 1
- Harmonycares Medical Group
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ
Enrollment records 1
Other NPIs on the same Medicare enrollment 1
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
dba Harmonycares Medical Group
- Family Medicine Physician
- Montclair, NJ
- NPI 1356048573
O20220912000425
National Provider Directory
National Provider Directory- Tax ID family
- Vpa Diagnsotics
Other organizations with this tax ID 44
Organizations that report the same tax identification number in the National Provider Directory.
-
- Family Medicine Physician
- Maumee, OH
- NPI 1043584022
-
dba VPA Diagnostics
- Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
- Florence, KY
- NPI 1093030959
-
- Family Medicine Physician
- Phoenix, AZ
- NPI 1104382001
-
- Cardiovascular Disease Physician
- Scottsdale, AZ
- NPI 1174910814
-
- Family Medicine Physician
- Utica, MI
- NPI 1194932004
-
- Family Medicine Physician
- Norton Shores, MI
- NPI 1205068509
-
dba Harmonycares Medical Group
- Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
- Atlanta, GA
- NPI 1225745441
-
dba HarmonyCares Medical Group
- Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
- Boardman, OH
- NPI 1235299926
Locations
1 Riverfront Plz
Ste 300
Newark, NJ 07102
Phone (201) 273-7047
1268 Route 37 W
Ste 1
Toms River, NJ 08755
Phone (732) 602-4480
Practitioners & affiliated clinicians
Practitioners 102
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Family Nurse Practitioner
- Edison, NJ
- NPI 1700664679
-
- Family Nurse Practitioner
- Montclair, NJ
- NPI 1689080160
-
- Physician Assistant
- Toms River, NJ
- NPI 1477957736
-
- Psychiatric/Mental Health Nurse Practitioner
- Woodbridge, NJ
- NPI 1386410223
Single Specialty
-
- Family Nurse Practitioner
- Princeton, NJ
- NPI 1568297620
-
- Family Nurse Practitioner
- Perth Amboy, NJ
- NPI 1528480456
-
- Adult Health Nurse Practitioner
- Millstone Township, NJ
- NPI 1740763788
-
- Family Nurse Practitioner
- Newark, NJ
- NPI 1437690997
-
- Family Nurse Practitioner
- West Deptford, NJ
- NPI 1235538091
-
- Family Nurse Practitioner
- New Milford, NJ
- NPI 1891447280
-
- Family Nurse Practitioner
- Burlington, NJ
- NPI 1427701531
-
- Gerontology Nurse Practitioner
- Montclair, NJ
- NPI 1417365776
Multi-Specialty
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1605657600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1759190400000",
"number": "1649873183",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 40409",
"city": "BELFAST",
"state": "ME",
"postal_code": "049151255",
"telephone_number": "973-707-3911",
"fax_number": "855-618-6655"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "28 VALLEY RD # 148",
"city": "MONTCLAIR",
"state": "NJ",
"postal_code": "070422709",
"telephone_number": "973-707-3911",
"fax_number": "201-918-4037"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "HARMONY MEDICAL SERVICES OF NEW JERSEY LLC",
"organizational_subpart": "NO",
"enumeration_date": "2020-11-18",
"last_updated": "2025-09-30",
"certification_date": "2025-09-30",
"status": "A",
"authorized_official_last_name": "FELDSTEIN",
"authorized_official_first_name": "JONATHAN",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "248-824-6600",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Family Medicine",
"state": null,
"license": null,
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine",
"state": null,
"license": null,
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Pediatrics",
"state": null,
"license": null,
"primary": false
},
{
"code": "208D00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "General Practice",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Harmonycares Medical Group",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Montclair, NJ
- Harry T Haramis, MD
- Lena Harb
- Harmony & Peace Counseling
- Harmony Helpers, LLC (Home Helpers/DirectLink)
- Harmony Medical Services of New Jersey LLC (Harmonycares Medical Group)
- Harmonycares Complete Health Services of New Jersey, LLC (HarmonyCares Health Services)
- Harmonycares Complete Health Services of New Jersey, LLC (HarmonyCares Health Services (PHA))
- Michelle L Harney, L.C.S.W.
- Edgar Haro
- Katherine Harold
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.