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RONALD FERNANDEZ MD
NPI 1942373345
Emergency Medicine in Berkeley Heights, NJ

Active since November 16, 2006PECOS Enrolled
1 DIAMOND HILL RD, BERKELEY HEIGHTS, NJ 07922(908) 273-4300 Get Directions Write a Review

NPPES record last updated: April 26, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ronald Fernandez Md NPPES

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

RONALD FERNANDEZ MD (NPI 1942373345) is an individual emergency medicine provider in Berkeley Heights, New Jersey, licensed in New York (232439) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942373345
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameRONALD FERNANDEZCredential: MD
Location Address1 DIAMOND HILL RDBerkeley Heights, NJ 07922-2104
Mailing Address407 Airport Executive ParkNanuet, NY 10954-5288
Phone(908) 273-4300
Sole ProprietorYes
Enumeration DateNovember 16, 2006
Last NPPES UpdateApril 26, 2017
✔ NPI 1942373345 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NY · 232439
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1 DIAMOND HILL RD, Berkeley Heights, NJ 07922
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Other Identifiers 3

Medicare ID-Type Unspecified0413Q1NY
Medicare UPINI14118NY
Medicaid02570794NY

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ronald Fernandez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Ronald Fernandez reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Physician Associates Of North Jersey P C
3.9 mi
Emergency Medicine
99 BEAUVOIR AVE
Summit, NJ 07901
  • Reassigned Medicare billing, New Jersey enrollment
  • 436 clinicians in this Medicare group
NPI 1497783419 (908) 522-2000
Middlesex Emergency Physicians, P.A.
8.5 mi
Emergency Medicine
65 JAMES ST
Edison, NJ 08820
  • Reassigned Medicare billing, New Jersey enrollment
  • 156 clinicians in this Medicare group
NPI 1811921760 (732) 321-7000
Nes Georgia Inc
10 mi
Emergency Medicine
225 WILLIAMSON ST
Elizabeth, NJ 07202
  • Reassigned Medicare billing, New Jersey enrollment
  • 67 clinicians in this Medicare group
NPI 1043616675 (908) 994-5000
Hackensack Meridian Health Medical Group - Primary Care PC
29 mi
Family Medicine
331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 689 clinicians in this Medicare group
NPI 1336203538 (732) 807-0800
Hackensack Meridian Health Medical Group - Specialty Care PC
29 mi
Surgical Critical Care
331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701
  • Reassigned Medicare billing, New Jersey enrollment
  • 2,844 clinicians in this Medicare group
NPI 1215989249 (732) 807-0800

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
218 services217 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
53 services52 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07922 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SILPA GADIRAJU M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
DR. JOHN H DOKKO DO
Internal Medicine (Nephrology)
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
DENISE RIZZOLO PA
Physician Assistant
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
MARIA F DOMINGUEZ BERMEO MD
Family Medicine
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 219-6940
DR. LAWRENCE J NASTRO MD
Internal Medicine (Infectious Disease)
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
DEBRA A RYAN PT
Physical Therapist
1 DIAMOND HILL RD, SUMMIT MEDICAL GROUP
BERKELEY HEIGHTS, NJ 07922
Union County (908) 273-4300
CHRISTOPHER M BONI DO
Internal Medicine
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 277-8683
LAUREN BARON P.A.
Physician Assistant (Medical)
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 07922
Union County (908) 277-8880

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 Ronald Fernandez's NPI number?

The NPI number for Ronald Fernandez is 1942373345. It was assigned to this individual provider in the NPPES registry on November 16, 2006.

Where is Ronald Fernandez located?

Ronald Fernandez practices at 1 Diamond Hill Rd, Berkeley Heights, NJ 07922. The listed phone number is (908) 273-4300.

What is Ronald Fernandez's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ronald Fernandez enrolled in Medicare?

Yes. Ronald Fernandez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ronald Fernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Fernandez reassigns Medicare benefits to 5 organizations: Emergency Physician Associates Of North Jersey P C (Summit, NJ), Middlesex Emergency Physicians, P.A. (Edison, NJ), Nes Georgia Inc (Elizabeth, NJ), Hackensack Meridian Health Medical Group - Primary Care PC (Red Bank, NJ) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). Each 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 Ronald Fernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Fernandez accept?

Health plans from Oscar Health list Ronald Fernandez 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 Ronald Fernandez was last updated on April 26, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.