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KEITH A MERITZ MD
NPI 1801956974
Radiology - Radiation Oncology in Valhalla, NY

Active since December 11, 2006PECOS Enrolled
100 WOODS RD STE 1297, VALHALLA, NY 10595(201) 388-9766 Get Directions Write a Review

NPPES record last updated: January 10, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 10, 2022, May 7, 2020, Sep 29, 2016 and 3 more (6 updates tracked since 2015).

About Keith A Meritz Md NPPES

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

KEITH A MERITZ MD (NPI 1801956974) is an individual radiation oncology provider in Valhalla, New York, licensed in New York (159026) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801956974
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameKEITH A MERITZCredential: MD
Location Address100 WOODS RD STE 1297Valhalla, NY 10595-1530
Mailing Address100 Woods Rd Ste 1297Valhalla, NY 10595-1530 · (201) 388-9766
Phone(201) 388-9766
Sole ProprietorNo
Enumeration DateDecember 11, 2006
Last NPPES UpdateJanuary 10, 20226 updates tracked since enumeration
NPPES CertifiedJanuary 10, 2022
✔ NPI 1801956974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in NY · 159026✔ Licensed in NJ · 25MA05601300
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
100 WOODS RD STE 1297, Valhalla, NY 10595
Open in Google Maps ↗

Other Identifiers 2

OtherMD056069LPA · Pa License
Other25MA05601300NJ · Nj License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Keith A Meritz 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

3

Medicare enrollment records show Keith Meritz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Westchester Medical Center Advanced Physician Services PC
Same address
Anesthesiology
100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595
  • Reassigned Medicare billing, New York enrollment
  • 1,663 clinicians in this Medicare group
NPI 1740687458 (914) 493-2844
New Jersey Urology LLC
26 mi
Urology
1515 BROAD ST, SUITE B130
Bloomfield, NJ 07003
  • Reassigned Medicare billing, New Jersey enrollment
  • 144 clinicians in this Medicare group
NPI 1588822423 (973) 873-7000
Barnabas Health Medical Group PC
36 mi
Specialist
225 WILLIAMSON ST
Elizabeth, NJ 07202
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,894 clinicians in this Medicare group
NPI 1841557246 (888) 724-7123

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 9

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.

Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment G6017
In radiation therapy, intra-fraction localization and tracking monitor patient or target movement during treatment. This ensures that radiation is accurately delivered to the correct area. Techniques like 3D positional tracking, gating, and 3D surface tracking are used to enhance precision.
107 services14 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
63 services18 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
37 services13 patients
Design and construction of simple radiation treatment device 77332
A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.
20 services16 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services15 patients
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280
This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10595 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
81%393 patients4/55-star benchmark: 85%
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%319 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%262 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.
84%776 patients4/55-star benchmark: 97%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
20%558 patients1/55-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…
95%776 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…
22%776 patients2/55-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.
52%776 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.

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 Keith Meritz's NPI number?

The NPI number for Keith Meritz is 1801956974. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is Keith Meritz located?

Keith Meritz practices at 100 Woods Rd Ste 1297, Valhalla, NY 10595. The listed phone number is (201) 388-9766.

What is Keith Meritz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Keith Meritz enrolled in Medicare?

Yes. Keith Meritz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Keith Meritz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keith Meritz reassigns Medicare benefits to 3 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), New Jersey Urology LLC (Bloomfield, NJ) and Barnabas Health Medical Group PC (Elizabeth, 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 Keith Meritz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Keith Meritz was last updated on January 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.