RONALD D ENNIS MD
NPI 1780668400
Radiology - Radiation Oncology in New York, NY

Q: What is Ronald Ennis's NPI number?

The NPI number for Ronald Ennis is 1780668400. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Q: What is Ronald Ennis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ronald Ennis was last updated on June 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since December 06, 2005PECOS EnrolledAccepts Medicare Assignment

1000 10TH AVE, LOWER LEVEL, NEW YORK, NY 10019(212) 523-7165(212) 523-8189 Get Directions Write a Review

NPPES record last updated: June 3, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Ronald D Ennis Md NPPES

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

RONALD D ENNIS MD (NPI 1780668400) is an individual radiation oncology provider in New York, New York, licensed in New Jersey (25MA09380900) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and is a graduate of Yale University School Of Medicine (1990).

NPPES Registry Identity

NPI1780668400

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameRONALD D ENNISCredential: MD

Location Address1000 10TH AVE, LOWER LEVELNew York, NY 10019-1147

Mailing AddressPo Box 95000-2456Philadelphia, PA 19195-0001 · (212) 844-8027 · Fax (212) 844-6306

Phone(212) 523-7165

Fax(212) 523-8189

Sole ProprietorNo

Medical School CMSYale University School Of MedicineGraduated 1990

Enumeration DateDecember 6, 2005

Last NPPES UpdateJune 3, 2024

NPPES CertifiedJune 3, 2024

✔ NPI 1780668400 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 NJ · 25MA09380900✔ Licensed in NY · 196138

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.

1000 10TH AVE, New York, NY 10019

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Other Identifiers 1

Medicaid01811072NY

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

Ronald D Ennis Md 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 ID5597714949

PECOS Enrollment IDI20170908001615

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

Medicare enrollment records show Ronald Ennis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Physician Associates Of New Jersey Inc

11 mi

Diagnostic Radiology

30 BERGEN ST, ADMC 121205
Newark, NJ 07107

Reassigned Medicare billing, New Jersey enrollment
72 clinicians in this Medicare group

NPI 1316957913 (973) 972-0037

St. Joseph's Healthcare, Inc.

13 mi

Internal Medicine

703 MAIN ST, ST. JOSEPH'S REGIONAL MEDICAL CENTER
Paterson, NJ 07503

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: St Josephs Healthcare Inc
372 clinicians in this Medicare group

NPI 1497791297 (973) 754-2000

Rutgers Health-Rwj Scleroderma Program

30 mi

Psychiatry

675 HOES LN W
Piscataway, NJ 08854

Reassigned Medicare billing, New Jersey enrollment
641 clinicians in this Medicare group

NPI 1316222664 (732) 235-4402

Rutgers Health-Rwj Scleroderma Program

31 mi

Radiation Oncology

195 LITTLE ALBANY ST
New Brunswick, NJ 08901

Reassigned Medicare billing, New Jersey enrollment
15 clinicians in this Medicare group

NPI 1942249909 (732) 235-3939

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 15

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

553 services58 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.

140 services37 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

136 services35 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.

77 services34 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

53 services41 patients

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.

52 services40 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

39 services39 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

38 services37 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

29 services24 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

24 services23 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

20 services16 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

20 services19 patients

Placement of device in prostate for radiation therapy 55876

This procedure involves placing a small device in the gland below the bladder to deliver radiation therapy. This helps target therapy directly to the concerned area, potentially reducing side effects and improving treatment effectiveness.

12 services12 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

12 services12 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Robert Wood Johnson University Hospital

Acute Care Hospitals · New Brunswick, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310038

LocationOne Robert Wood Johnson PlaceNew Brunswick, NJ 08901 · Middlesex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10019 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

$198.19 typical visit price

range $65.69 – $198.19

Typical copayment $49.54 (range $16.42 – $49.54)

Most-billed visit code 99205

Established Patient

$81.44 typical visit price

range $21.20 – $160.66

Typical copayment $20.36 (range $5.30 – $40.16)

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.

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.

LAUREN KRISTEN BOTERO MD

Internal Medicine (Hematology)

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-4000

JASMINE PARIS LORD MD

Student in an Organized Health Care Education/Training Program

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-6121

HOLLY D SHAN

Student in an Organized Health Care Education/Training Program

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-6121

RACHNA SULTANIAN MD

Emergency Medicine

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-6745

ANGELA TANGREDI MD

Pediatrics

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-6745

ALEXANDER VOLVOVSKY MD

Radiology (Diagnostic Radiology)

1000 10TH AVE, SUITE 4B14
NEW YORK, NY 10019

New York County (212) 536-6668

MISS JINCY THANKACHEN M.D.

Internal Medicine

1000 10TH AVE, ST. LUKE'S ROOSEVELT - DEPARTMENT OF INTERNAL MEDICINE
NEW YORK, NY 10019

New York County (212) 523-7321

SAMA ANSARI M.D.

Student in an Organized Health Care Education/Training Program

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-4000

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 Ennis's NPI number?

The NPI number for Ronald Ennis is 1780668400. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Ronald Ennis located?

Ronald Ennis practices at 1000 10th Ave Lower Level, New York, NY 10019. The listed phone number is (212) 523-7165.

What is Ronald Ennis's specialty?

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

Is Ronald Ennis enrolled in Medicare?

Yes. Ronald Ennis 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 Ronald Ennis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Ennis reassigns Medicare benefits to 4 organizations: University Physician Associates Of New Jersey Inc (Newark, NJ), St. Joseph's Healthcare, Inc. (Paterson, NJ), Rutgers Health-Rwj Scleroderma Program (Piscataway, NJ) and Rutgers Health-Rwj Scleroderma Program (New Brunswick, 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 Ennis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Ennis accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Ronald Ennis 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.

Is Ronald Ennis affiliated with any hospitals?

According to CMS data, Ronald Ennis is affiliated with Robert Wood Johnson University Hospital.

When was this NPI record last updated?

The NPPES record for Ronald Ennis was last updated on June 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.