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GASTROENTEROLOGY ASSOCIATES OF NEW JERSEY, LLC
NPI 1497932271
Internal Medicine - Gastroenterology in Woodland Park, NJ

Active since January 24, 2008CLIA Certified · 22 labs
1130 MCBRIDE AVE, WOODLAND PARK, NJ 07424(973) 812-1400(973) 812-1404 Get Directions Write a Review

NPPES record last updated: August 9, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 9, 2023, Nov 4, 2020, Sep 11, 2019 and 2 more (5 updates tracked since 2018).

About Gastroenterology Associates Of New Jersey, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GASTROENTEROLOGY ASSOCIATES OF NEW JERSEY, LLC (NPI 1497932271) is a healthcare organization registered as a gastroenterology in Woodland Park, New Jersey and active in the NPI registry since January 2008. The organization holds 22 active CLIA laboratory certificates, maintains 25 additional practice locations, and lists Rachel Andreano, Credentialing Specialist, as its authorized official.

NPPES Registry Identity

NPI1497932271
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROENTEROLOGY ASSOCIATES OF NEW JERSEY, LLC
Location Address1130 MCBRIDE AVEWoodland Park, NJ 07424-3806
Mailing Address1130 Mcbride AveWoodland Park, NJ 07424-3806 · (973) 812-1400 · Fax (973) 812-1404
Phone(973) 812-1400
Fax(973) 812-1404
Organization SubpartNo
Authorized OfficialRachel AndreanoCredentialing Specialist · (973) 785-2277
Enumeration DateJanuary 24, 2008
Last NPPES UpdateAugust 9, 20235 updates tracked since enumeration
NPPES CertifiedAugust 9, 2023
✔ NPI 1497932271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedAnesthesiologyTaxonomy 207L00000X
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X
Also ListedNurse PractitionerTaxonomy 363L00000X
1130 MCBRIDE AVE, Woodland Park, NJ 07424
Open in Google Maps ↗

Secondary Practice Locations 25

Location 188 Park StMontclair, NJ 07042-5915 · Phone (973) 233-9559 · Fax (973) 233-9660
Location 21124 E Ridgewood Ave Ste 203Ridgewood, NJ 07450-3915 · Phone (201) 523-4141 · Fax (201) 857-8645
Location 360 Skyline DrRingwood, NJ 07456-2039 · Phone (973) 785-0102 · Fax (973) 785-0335
Location 471 Union Ave Ste 201Rutherford, NJ 07070-1272 · Phone (201) 842-0020 · Fax (201) 842-0010
Location 5205 Browertown Rd Ste 201Woodland Park, NJ 07424-2610 · Phone (973) 812-8120 · Fax (973) 812-8144
Location 6246 Hamburg Tpke Ste 203Wayne, NJ 07470-2160 · Phone (862) 336-9988 · Fax (862) 336-9987
Location 7332 Lafayette AveHawthorne, NJ 07506-2506 · Phone (973) 470-0101 · Fax (973) 777-3024
Location 8205 Browertown Rd Ste 202Woodland Park, NJ 07424-2610 · Phone (973) 785-0102 · Fax (973) 785-0335
Location 9925 Clifton AveClifton, NJ 07013-2724 · Phone (973) 458-0408 · Fax (973) 405-6564
Location 101195 Clifton AveClifton, NJ 07013-3621 · Phone (973) 785-0102 · Fax (973) 785-0335
Location 1115-01 Broadway Ste 34Fair Lawn, NJ 07410-6006 · Phone (201) 794-6808 · Fax (201) 797-6238
Location 121011 Clifton AveClifton, NJ 07013-3518 · Phone (973) 471-8200 · Fax (973) 471-3032
Location 131031 McBride Ave Ste D212Woodland Park, NJ 07424-2569 · Phone (973) 890-1303 · Fax (973) 890-5609
Location 14764 Main St Ste 303Paterson, NJ 07503-2640 · Phone (973) 812-8120 · Fax (973) 812-8144
Location 15468 Parish DrWayne, NJ 07470-4671 · Phone (973) 988-2100 · Fax (973) 952-6248
Location 161567 Palisade AveFort Lee, NJ 07024-6923 · Phone (201) 585-2388
Location 179 Post Rd Ste M7Oakland, NJ 07436-1615 · Phone (973) 812-8120 · Fax (973) 812-8144
Location 18170 Changebridge Rd Bldg C3Montville, NJ 07045-9112 · Phone (973) 785-0102 · Fax (973) 785-0335
Location 19230 W Parkway Ste 10Pompton Plains, NJ 07444-1060 · Phone (862) 336-9988 · Fax (862) 336-9987
Location 201030 Clifton Ave Ste 103Clifton, NJ 07013-3522 · Phone (973) 614-9700 · Fax (973) 614-9702
Location 21799 Bloomfield Ave Ste 111Verona, NJ 07044-1301 · Phone (973) 433-7600 · Fax (973) 433-7462
Location 2252 1st StHackensack, NJ 07601-2044 · Phone (201) 488-3003 · Fax (201) 957-7227
Location 231825 Route 23Wayne, NJ 07470-7526 · Phone (973) 633-1484 · Fax (973) 633-7980
Location 24130 Kinderkamack Rd Ste 301River Edge, NJ 07661-1931 · Phone (201) 489-7772 · Fax (201) 489-2544
Location 25195 US Highway 46 Ste 100Mine Hill, NJ 07803-3163 · Phone (973) 366-7330 · Fax (973) 306-3043

Other Identifiers 4

Medicaid0175714NJ
Other1945759NJ · Aetna Hmo Group Number
Other3533132000NJ · Amerihealth Group Number
Other9341206NJ · Aetna Ppo Group Number

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastroenterology Associates Of New Jersey, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

117

Medicare enrollment records show 117 clinicians reassign Medicare billing to Gastroenterology Associates Of New Jersey, LLC, which bills Medicare for the services they deliver. Of these, 63 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Gastroenterology51
Anesthesiology47
Nurse Practitioner13
Internal Medicine3
Pathology2
Pain Management1

Nearest to this location (20)

See all 117
Natasha Chhabra, M.D.
Gastroenterology
NPI 1013351675
1031 MCBRIDE AVENUE SUITE D212
Woodland Park, NJ 07424
(973) 620-8500
✔ PECOS✔ Accepts Medicare0.2 mi
Ariy Volfson, M.D.
Gastroenterology
NPI 1306008446
1031 MCBRIDE AVE STE D212
Woodland Park, NJ 07424
(973) 890-1303
✔ PECOS✔ Accepts Medicare0.2 mi
Michael Mainero, M.D.
Gastroenterology
NPI 1720090079
205 BROWERTOWN RD SUITE 202
West Paterson, NJ 07424
(973) 785-0102
✔ PECOS✔ Accepts Medicare0.5 mi
George Pavlou, M.D.
Gastroenterology
NPI 1023014909
205 BROWERTOWN RD STE 201
Woodland Park, NJ 07424
(973) 812-8120
✔ PECOS✔ Accepts Medicare0.5 mi
Varalakshmi Annadanam, M.D
Anesthesiology
NPI 1528061751
525 UNION BLVD
Totowa, NJ 07512
(973) 928-5360
✔ PECOS✔ Accepts Medicare0.6 mi
Marina Boukiia, M.D.
Anesthesiology
NPI 1588667711
525 UNION BLVD
Totowa, NJ 07512
(973) 928-5360
✔ PECOS✔ Accepts Medicare0.6 mi
Vadim Galkin, M.D.
Anesthesiology
NPI 1003819293
525 UNION BLVD
Totowa, NJ 07512
(973) 928-5360
✔ PECOS0.6 mi
Elizabeth Krynska, M.D.
Anesthesiology
NPI 1619970852
525 UNION BLVD
Totowa, NJ 07512
(973) 928-5360
✔ PECOS✔ Accepts Medicare0.6 mi
Ivy Sacknowitz, M.D.
Anesthesiology
NPI 1710980867
525 UNION BLVD
Totowa, NJ 07512
(973) 928-5360
✔ PECOS✔ Accepts Medicare0.6 mi
Ori Rackovsky, M.D.
Internal Medicine
NPI 1245505601
468 PARISH DR STE 6
Wayne, NJ 07470
(973) 988-2100
✔ PECOS✔ Accepts Medicare2.4 mi
Joseph Shami, MD
Gastroenterology
NPI 1144259649
468 PARISH DR STE 6
Wayne, NJ 07470
(973) 988-2100
✔ PECOS✔ Accepts Medicare2.4 mi
Ihn Whang, M.D.
Anesthesiology
NPI 1235137787
703 MAIN ST
Paterson, NJ 07503
(973) 754-2790
✔ PECOS✔ Accepts Medicare2.5 mi
Shanti Eppanapally, MD
Anesthesiology
NPI 1306872635
1060 CLIFTON AVE
Clifton, NJ 07013
(973) 779-7361
✔ PECOS✔ Accepts Medicare3.2 mi
Parthiv Raval, M.D.
Internal Medicine
NPI 1295712446
1100 CLIFTON AVE SUITE 7
Clifton, NJ 07013
(973) 614-9700
✔ PECOS✔ Accepts Medicare3.2 mi
Steven Gronowitz, M.D.
Gastroenterology
NPI 1093772030
1011 CLIFTON AVE
Clifton, NJ 07013
(973) 471-8200
✔ PECOS✔ Accepts Medicare3.2 mi
Natan Krohn, M.D.
Gastroenterology
NPI 1306005962
1011 CLIFTON AVE
Clifton, NJ 07013
(973) 471-8200
✔ PECOS✔ Accepts Medicare3.2 mi
Diane Naraine, APN
Nurse Practitioner
NPI 1972080612
1011 CLIFTON AVE
Clifton, NJ 07013
(973) 471-8200
✔ PECOS✔ Accepts Medicare3.2 mi
Diana Polania, APN
Nurse Practitioner
NPI 1740050111
925 CLIFTON AVE
Clifton, NJ 07013
(973) 458-0408
✔ PECOS✔ Accepts Medicare3.3 mi
Joseph Roth, M.D.
Gastroenterology
NPI 1942238225
925 CLIFTON AVE
Clifton, NJ 07013
(973) 458-0408
✔ PECOS✔ Accepts Medicare3.3 mi
Gabor Simon, MD
Anesthesiology
NPI 1548351257
1515 BROAD ST STE B120
Bloomfield, NJ 07003
(973) 873-7000
✔ PECOS✔ Accepts Medicare3.9 mi
See all 117 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 22

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 31D2191223

Gastroenterology Associates Of New Jersey, LLC · Verona, NJ
Active · expires Aug 24, 2028
CLIA Number31D2191223
Laboratory TypePhysician Office
Certificate Effective DateAugust 25, 2026
Certificate Expiration DateAugust 24, 2028
Laboratory DirectorAndrew Boxer
Laboratory Phone(973) 785-2277
Laboratory LocationGastroenterology Associates Of New Jersey, LLC799 Bloomfield Avenue, Suite 111, Verona, NJ 07044
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 31D2345520

Gastroenterology Associates Of New Jersey · Clifton, NJ
Active · expires Jun 10, 2028
CLIA Number31D2345520
Laboratory TypePhysician Office
Certificate Effective DateJune 11, 2026
Certificate Expiration DateJune 10, 2028
Laboratory DirectorSteven Gronowitz
Laboratory Phone(973) 471-8200
Laboratory LocationGastroenterology Associates Of New Jersey1011 Clifton Avenue Suite 23, Clifton, NJ 07013
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 31D0704046

Gastroenterology Associates Of New Jersey, LLC · River Edge, NJ
Active · expires May 3, 2028
CLIA Number31D0704046
Laboratory TypePhysician Office
Certificate Effective DateMay 4, 2026
Certificate Expiration DateMay 3, 2028
Laboratory DirectorDr. Michelle M. Ye
Laboratory Phone(973) 785-2277
Laboratory LocationGastroenterology Associates Of New Jersey, LLC130 Kinderkamack Rd Suite 301, River Edge, NJ 07661
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 31D2302603

Gastroenterology Associates Of New Jersey, LLC · Clifton, NJ
Active · expires Apr 20, 2028
CLIA Number31D2302603
Laboratory TypePhysician Office
Certificate Effective DateApril 21, 2026
Certificate Expiration DateApril 20, 2028
Laboratory DirectorWen Fan
Laboratory Phone(973) 785-2277
Laboratory LocationGastroenterology Associates Of New Jersey, LLC1030 Clifton Avenue Suite 103, Clifton, NJ 07013
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 31D2342509

Gastroenterology Associates Of New Jersey, LLC · Rutherford, NJ
Active · expires Apr 20, 2028
CLIA Number31D2342509
Laboratory TypePhysician Office
Certificate Effective DateApril 21, 2026
Certificate Expiration DateApril 20, 2028
Laboratory DirectorWen Fan
Laboratory Phone(973) 785-2277
Laboratory LocationGastroenterology Associates Of New Jersey, LLC71 Union Avenue Suite 201, Rutherford, NJ 07070
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 31D2247542

Gastroenterology Associates Of New Jersey, LLC · Wayne, NJ
Active · expires Jan 6, 2028
CLIA Number31D2247542
Laboratory TypePhysician Office
Certificate Effective DateJanuary 7, 2026
Certificate Expiration DateJanuary 6, 2028
Laboratory DirectorSteven David
Laboratory Phone(973) 785-2277
Laboratory LocationGastroenterology Associates Of New Jersey, LLC1825 Route 23 S, 2nd Floor, Wayne, NJ 07470
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gastroenterology Associates Of New Jersey, LLC's NPI number?

The NPI number for Gastroenterology Associates Of New Jersey, LLC is 1497932271. It was assigned to this organization in the NPPES registry on January 24, 2008.

Where is Gastroenterology Associates Of New Jersey, LLC located?

Gastroenterology Associates Of New Jersey, LLC is located at 1130 Mcbride Ave, Woodland Park, NJ 07424. The listed phone number is (973) 812-1400.

What is Gastroenterology Associates Of New Jersey, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Gastroenterology Associates Of New Jersey, LLC enrolled in Medicare?

Yes. Gastroenterology Associates Of New Jersey, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastroenterology Associates Of New Jersey, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 117 clinicians in 6 Medicare specialties reassign their Medicare billing to Gastroenterology Associates Of New Jersey, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (51), Anesthesiology (47) and Nurse Practitioner (13). Of these, 63 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastroenterology Associates Of New Jersey, LLC hold CLIA laboratory certificates?

Yes. 22 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Gastroenterology Associates Of New Jersey, LLC accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Gastroenterology Associates Of New Jersey, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gastroenterology Associates Of New Jersey, LLC was last updated on August 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.