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DR. AMY ILENE KATZ GERHARDT M.D.
NPI 1245419928
Obstetrics & Gynecology in Westwood, NJ

Active since October 30, 2007PECOS EnrolledAccepts Medicare Assignment
333 OLD HOOK RD STE 105, WESTWOOD, NJ 07675(201) 497-0175 Get Directions Write a Review

NPPES record last updated: May 17, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Amy Ilene Katz Gerhardt M.d. NPPES

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

DR. AMY ILENE KATZ GERHARDT M.D. (NPI 1245419928) is an individual obstetrics & gynecology provider in Westwood, New Jersey, licensed in New Jersey (25MA08776500) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and is a graduate of New York University School Of Medicine (2006).

NPPES Registry Identity

NPI1245419928
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. AMY ILENE KATZ GERHARDTCredential: M.D.
Location Address333 OLD HOOK RD STE 105Westwood, NJ 07675-3200
Mailing Address333 Old Hook Rd Ste 105Westwood, NJ 07675-3200 · (201) 497-0175
Phone(201) 497-0175
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2006
Enumeration DateOctober 30, 2007
Last NPPES UpdateMay 17, 2021
NPPES CertifiedMay 17, 2021
✔ NPI 1245419928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NJ · 25MA08776500
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
333 OLD HOOK RD STE 105, Westwood, NJ 07675
Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Amy Ilene Katz M.d.

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. Amy Ilene Katz Gerhardt M.d. 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 ID3577750801
PECOS Enrollment IDI20101213000139
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

2

Medicare enrollment records show Amy Gerhardt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Valley Physician Services PC
5.0 mi
Internal Medicine
15 ESSEX RD
Paramus, NJ 07652
  • Reassigned Medicare billing, New Jersey enrollment
  • 833 clinicians in this Medicare group
NPI 1467815928 (201) 291-6086
Hackensack Meridian Health Medical Group - Specialty Care PC
45 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hackensack University Medical Center

Acute Care Hospitals · Hackensack, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310001
Location30 Prospect AveHackensack, NJ 07601 · Bergen County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07675 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
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
99%1,231 patients5/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%140 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
49%1,393 patients3/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
99%1,393 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
69%1,393 patients4/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
72%1,393 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

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

EVAN STEINBERG, MD, FCCP, P.A.
Internal Medicine
333 OLD HOOK RD STE 105
WESTWOOD, NJ 07675
Bergen County (201) 358-9365
ALL GENERATIONS WOMENS CARE
Obstetrics & Gynecology
333 OLD HOOK RD STE 105
WESTWOOD, NJ 07675
Bergen County (201) 497-0175
MALWINDER SINGH MD
Internal Medicine (Critical Care Medicine)
333 OLD HOOK RD STE 105
WESTWOOD, NJ 07675
Bergen County (201) 687-8600

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 Amy Gerhardt's NPI number?

The NPI number for Amy Gerhardt is 1245419928. It was assigned to this individual provider in the NPPES registry on October 30, 2007. The provider is also known as Dr. Amy Ilene Katz M.D..

Where is Amy Gerhardt located?

Amy Gerhardt practices at 333 Old Hook Rd Ste 105, Westwood, NJ 07675. The listed phone number is (201) 497-0175.

What is Amy Gerhardt's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Amy Gerhardt enrolled in Medicare?

Yes. Amy Gerhardt 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 Amy Gerhardt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amy Gerhardt reassigns Medicare benefits to 2 organizations: Valley Physician Services PC (Paramus, 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 Amy Gerhardt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Amy Gerhardt affiliated with any hospitals?

According to CMS data, Amy Gerhardt is affiliated with Hackensack University Medical Center.

When was this NPI record last updated?

The NPPES record for Amy Gerhardt was last updated on May 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.