1. Home
  2. Directory
  3. New Jersey
  4. East Orange
  5. Internal Medicine
  6. NPI Profile

METROPOLITAN MEDICAL GROUP LLC
NPI 1700442415
Internal Medicine in East Orange, NJ

Active since May 17, 2019CLIA 31D2298841 · Waiver
570 PARK AVE, EAST ORANGE, NJ 07017(862) 766-6608(973) 675-0040 Get Directions Write a Review

NPPES record last updated: March 31, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 31, 2025, Feb 3, 2020, May 17, 2019 (3 updates tracked since 2019).

About Metropolitan Medical Group Llc NPPES

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

METROPOLITAN MEDICAL GROUP LLC (NPI 1700442415) is a healthcare organization registered as an internal medicine in East Orange, New Jersey and active in the NPI registry since May 2019. The organization holds a CLIA Waiver certificate valid through February 8, 2028 and lists Alexander G Salerno, Owner, as its authorized official.

NPPES Registry Identity

NPI1700442415
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMETROPOLITAN MEDICAL GROUP LLC
Location Address570 PARK AVEEast Orange, NJ 07017-1904
Mailing Address523 Park AveOrange, NJ 07050-1703 · (973) 672-8573 · Fax (973) 675-0040
Phone(862) 766-6608
Fax(973) 675-0040
Organization SubpartNo
Authorized OfficialAlexander G SalernoOwner · (973) 672-2455
Enumeration DateMay 17, 2019
Last NPPES UpdateMarch 31, 20253 updates tracked since enumeration
NPPES CertifiedMarch 31, 2025
✔ NPI 1700442415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedFamily MedicineTaxonomy 207Q00000X
570 PARK AVE, East Orange, NJ 07017
Open in Google Maps ↗

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Metropolitan Medical Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

44

Medicare enrollment records show 44 clinicians reassign Medicare billing to Metropolitan Medical Group LLC, which bills Medicare for the services they deliver. Of these, 25 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 12

Nurse Practitioner16
Family Practice7
Internal Medicine7
Diagnostic Radiology4
Cardiovascular Disease (Cardiology)2
Neurology2
Clinical Social Worker1
Psychiatry1
4 other specialties4

Nearest to this location (20)

See all 44
Maria Christina Errazo, APN
Nurse Practitioner
NPI 1932644812
613 PARK AVE 2ND FLOOR
East Orange, NJ 07017
(973) 672-2455
✔ PECOS✔ Accepts Medicare0.1 mi
Isabel Mora, MD
Internal Medicine
NPI 1972167682
613 PARK AVE
East Orange, NJ 07017
(973) 672-2455
✔ PECOS✔ Accepts Medicare0.1 mi
Alexander Salerno, MD
Internal Medicine
NPI 1962476903
613 PARK AVE
East Orange, NJ 07017
(973) 672-8573
✔ PECOS✔ Accepts Medicare0.1 mi
Christopher Tzanavaris, MD
Pulmonary Disease
NPI 1508326463
613 PARK AVE
East Orange, NJ 07017
(973) 672-8573
✔ PECOS✔ Accepts Medicare0.1 mi
Rebecca Wende
Nurse Practitioner
NPI 1912882937
613 PARK AVE
East Orange, NJ 07017
(973) 672-8573
✔ PECOS✔ Accepts Medicare0.1 mi
Keira Werner, APN
Nurse Practitioner
NPI 1386486330
613 PARK AVENUE
East Orange, NJ 07017
(866) 525-9018
✔ PECOS✔ Accepts Medicare0.1 mi
Kamilla Christopher, AGNP
Nurse Practitioner
NPI 1699431361
120 DODD ST
East Orange, NJ 07017
(973) 672-8573
✔ PECOS0.8 mi
Christopher Medina, MD
Neurology
NPI 1639707169
523 PARK AVE
Orange, NJ 07050
(973) 672-8573
✔ PECOS✔ Accepts Medicare1.1 mi
Robert Lohse, FNP-BC
Nurse Practitioner
NPI 1063092112
256 BROAD ST
Bloomfield, NJ 07003
(973) 743-4450
✔ PECOS✔ Accepts Medicare2.4 mi
Kuang-Yiao Hsieh, MD
Urology
NPI 1114968260
256 BROAD ST
Bloomfield, NJ 07003
(973) 743-4450
✔ PECOS✔ Accepts Medicare2.4 mi
Albery Paula, MD
Family Practice
NPI 1962190645
491 MOUNT PROSPECT AVE FL 1
Newark, NJ 07104
(973) 485-6433
✔ PECOS✔ Accepts Medicare2.4 mi
Jenna Bellafiore, DO
Rheumatology
NPI 1578138442
111 CENTRAL AVE MEDICAL EDUCATION DEPT FLOOR D7
Newark, NJ 07102
(973) 877-5465
✔ PECOS2.9 mi
Michelle Giles-Honore, APN
Nurse Practitioner
NPI 1023416898
28 VALLEY RD # 148
Montclair, NJ 07042
(973) 559-4600
✔ PECOS✔ Accepts Medicare3.1 mi
Josephine Rodriguez, PMHNP-BC
Nurse Practitioner
NPI 1952165003
550 BROAD ST STE 606
Newark, NJ 07102
(201) 822-1161
✔ PECOS✔ Accepts Medicare3.2 mi
Sonia Rodrigues, DNP
Nurse Practitioner
NPI 1598511800
292 LAFAYETTE ST
Newark, NJ 07105
(973) 672-8573
✔ PECOS4.2 mi
Ayme Frometa, M.D.
Psychiatry
NPI 1669600995
201 LYONS AVE
Newark, NJ 07112
(973) 926-3693
✔ PECOS✔ Accepts Medicare4.2 mi
Bela Laschiver, APN
Nurse Practitioner
NPI 1497896286
11 CROSSBROOK PL
Livingston, NJ 07039
(973) 485-6433
✔ PECOS✔ Accepts Medicare6.2 mi
Damaris Ramirez-Frias, LICENSED SOCIAL WORK
Clinical Social Worker
NPI 1124626908
1157 MAIN AVE
Clifton, NJ 07011
(973) 341-9869
✔ PECOS✔ Accepts Medicare8.2 mi
Lawrence Villanueva, DO
Family Practice
NPI 1881386795
176 PALISADE AVE
Jersey City, NJ 07306
(201) 795-8200
✔ PECOS✔ Accepts Medicare9.1 mi
Cristian Serna-Tamayo, M.D.
Internal Medicine
NPI 1396125381
355 GRAND ST
Jersey City, NJ 07302
(347) 387-6910
✔ PECOS9.5 mi
See all 44 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

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 31D2298841

Metropolitan Medical Group · East Orange, NJ
Active · expires Feb 8, 2028
CLIA Number31D2298841
Laboratory TypePhysician Office
Certificate Effective DateFebruary 9, 2026
Certificate Expiration DateFebruary 8, 2028
Laboratory DirectorAlexander G. Salerno
Laboratory Phone(973) 672-8573
Laboratory LocationMetropolitan Medical Group570 Park Ave, East Orange, NJ 07017
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 Metropolitan Medical Group LLC's NPI number?

The NPI number for Metropolitan Medical Group LLC is 1700442415. It was assigned to this organization in the NPPES registry on May 17, 2019.

Where is Metropolitan Medical Group LLC located?

Metropolitan Medical Group LLC is located at 570 Park Ave, East Orange, NJ 07017. The listed phone number is (862) 766-6608.

What is Metropolitan Medical Group LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Metropolitan Medical Group LLC enrolled in Medicare?

Yes. Metropolitan Medical Group LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Metropolitan Medical Group LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 44 clinicians in 12 Medicare specialties reassign their Medicare billing to Metropolitan Medical Group 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 Nurse Practitioner (16), Family Practice (7) and Internal Medicine (7). Of these, 25 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Metropolitan Medical Group LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 31D2298841) is associated with this NPI, valid through February 8, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Metropolitan Medical Group LLC was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.