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DR. ELEN WASSERMAN D.O.
NPI 1437490463
Internal Medicine in West Caldwell, NJ

Active since March 15, 2013PECOS EnrolledAccepts Medicare Assignment
556 PASSAIC AVE, WEST CALDWELL, NJ 07006(973) 808-2273(973) 808-2267 Get Directions Write a Review

NPPES record last updated: October 14, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Elen Wasserman D.o. NPPES

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

DR. ELEN WASSERMAN D.O. (NPI 1437490463) is an individual internal medicine provider in West Caldwell, New Jersey, licensed in New Jersey (25MB09807100) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1437490463
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ELEN WASSERMANCredential: D.O.
Location Address556 PASSAIC AVEWest Caldwell, NJ 07006-7449
Mailing Address20 Raymond AveRutherford, NJ 07070-1132 · (646) 752-5734
Phone(973) 808-2273
Fax(973) 808-2267
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 15, 2013
Last NPPES UpdateOctober 14, 2016
✔ NPI 1437490463 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NJ · 25MB09807100
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.
556 PASSAIC AVE, West Caldwell, NJ 07006
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, 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 and accepts Medicare assignment

Dr. Elen Wasserman D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305144882
PECOS Enrollment IDI20160418000088
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

8

Medicare enrollment records show Elen Wasserman reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Doctor's Office Of West Caldwell LLC
Same address
Urgent Care
556 PASSAIC AVE
West Caldwell, NJ 07006
  • Reassigned Medicare billing, New Jersey enrollment
  • Medicare enrollment name: Doctors Office Of West Caldwell LLC
  • 42 clinicians in this Medicare group
NPI 1144524786 (973) 808-2273
Expert Care Providers Of New Jersey LLC
4.1 mi
Internal Medicine
171 S LIVINGSTON AVE
Livingston, NJ 07039
  • Reassigned Medicare billing, New Jersey enrollment
  • 2 clinicians in this Medicare group
NPI 1063222727 (862) 799-7400
Doctors Office Of New Jersey, LLC
13 mi
Urgent Care
85 GODWIN AVENUE
Midland Park, NJ 07432
  • Reassigned Medicare billing, New Jersey enrollment
  • 36 clinicians in this Medicare group
NPI 1508264177 (845) 565-3700
Union County Health Care Associates LLC
14 mi
Internal Medicine
300 SOUTH AVE
Garwood, NJ 07027
  • Reassigned Medicare billing, New Jersey enrollment
  • 54 clinicians in this Medicare group
NPI 1033271291 (908) 232-2273
Excel Urgent Care Of Paramus LLC
15 mi
Internal Medicine
110 RIDGEWOOD AVENUE
Paramus, NJ 07652
  • Reassigned Medicare billing, New Jersey enrollment
  • 40 clinicians in this Medicare group
NPI 1063652220 (201) 265-9500
Excel Urgent Care Of Nj LLC
31 mi
Urgent Care
2624 HIGHWAY 516
Old Bridge, NJ 08857
  • Reassigned Medicare billing, New Jersey enrollment
  • 68 clinicians in this Medicare group
NPI 1255742243 (732) 952-5000
New Jersey Infusion PA
42 mi
Multi-Specialty
800 W MAIN ST STE 112
Freehold, NJ 07728
  • Reassigned Medicare billing, New Jersey enrollment
NPI 1063241644 (732) 962-9800
Doctors Office Of Brick
55 mi
Urgent Care
686 ROUTE 70
Brick, NJ 08723
  • Reassigned Medicare billing, New Jersey enrollment
  • 39 clinicians in this Medicare group
NPI 1184067944 (732) 262-8200

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 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
85 services56 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
68 services56 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
60 services60 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
22 services14 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07006 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
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
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 2

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

DOCTOR'S OFFICE OF WEST CALDWELL LLC
Clinic/Center (Urgent Care)
556 PASSAIC AVE
WEST CALDWELL, NJ 07006
Essex County (973) 808-2273
MRS. TIFFANY LYNN JOHNSON
Physician Assistant (Medical)
556 PASSAIC AVE
WEST CALDWELL, NJ 07006
Essex County (973) 808-2273

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 Elen Wasserman's NPI number?

The NPI number for Elen Wasserman is 1437490463. It was assigned to this individual provider in the NPPES registry on March 15, 2013.

Where is Elen Wasserman located?

Elen Wasserman practices at 556 Passaic Ave, West Caldwell, NJ 07006. The listed phone number is (973) 808-2273.

What is Elen Wasserman's specialty?

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

Is Elen Wasserman enrolled in Medicare?

Yes. Elen Wasserman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Elen Wasserman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elen Wasserman reassigns Medicare benefits to 8 organizations: Doctor's Office Of West Caldwell LLC (West Caldwell, NJ), Expert Care Providers Of New Jersey LLC (Livingston, NJ), Doctors Office Of New Jersey, LLC (Midland Park, NJ), Union County Health Care Associates LLC (Garwood, NJ), Excel Urgent Care Of Paramus LLC (Paramus, NJ) and 3 more organizations, listed in the Medicare section above. 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 Elen Wasserman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elen Wasserman accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Elen Wasserman 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 Elen Wasserman was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.