DR. ANTHONY NEHLSEN MD
NPI 1144753567
Radiology - Radiation Oncology in New York, NY

Q: What is Anthony Nehlsen's NPI number?

The NPI number for Anthony Nehlsen is 1144753567. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Q: What is Anthony Nehlsen'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 Anthony Nehlsen was last updated on November 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 04, 2017PECOS EnrolledAccepts Medicare Assignment

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

NPPES record last updated: November 7, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 7, 2025, Aug 4, 2022 (2 updates tracked since 2022).

On this page

About Dr. Anthony Nehlsen Md NPPES

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

DR. ANTHONY NEHLSEN MD (NPI 1144753567) is an individual radiation oncology provider in New York, New York, licensed in New York (316701) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai St Luke's Roosevelt Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1144753567

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. ANTHONY NEHLSENCredential: MD

Location Address1000 10TH AVENew York, NY 10019-1147

Mailing Address1000 10th AveNew York, NY 10019-1147 · (212) 523-7165

Phone(212) 523-7165

Sole ProprietorYes

Medical School CMSOtherGraduated 2017

Enumeration DateApril 4, 2017

Last NPPES UpdateNovember 7, 20252 updates tracked since enumeration

NPPES CertifiedNovember 7, 2025

✔ NPI 1144753567 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in NY · 316701

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1000 10TH AVE, New York, NY 10019

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Anthony Nehlsen 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 ID8820334782

PECOS Enrollment IDI20220714002922

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.

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.

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.

143 services30 patients

Intermediate proton beam radiation treatment 77523

Intermediate proton beam radiation treatment is a precise type of radiation therapy. It uses protons instead of X-rays to treat certain types of cancer and other diseases. The protons can be directed to target the disease area with minimal damage to surrounding healthy tissue.

129 services85 patients

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.

100 services73 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.

60 services34 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.

53 services18 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

44 services28 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.

40 services26 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 services36 patients

Calculation of radiation therapy dose 77300

34 services11 patients

Continuing radiation therapy consultation per week 77336

Continuing radiation therapy consultation per week involves regular meetings with your healthcare team. These sessions help monitor your progress, manage side effects, and adjust your treatment plan if necessary. It's a key part of ensuring the effectiveness of your radiation therapy.

34 services27 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.

33 services33 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.

27 services25 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.

27 services25 patients

Design and construction of complex radiation treatment device 77334

19 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Mount Sinai St Luke's Roosevelt Hospital

Acute Care Hospitals · New York, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330046

Location1000 Tenth AvenueNew York, NY 10019 · New York 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.

ANN AVITABILE MD

Pathology (Anatomic Pathology)

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-4332

MARK T. FRIEDMAN D.O.

Pathology (Anatomic Pathology & Clinical Pathology)

1000 10TH AVE
NEW YORK, NY 10019

New York County (212) 523-4332

KWAME ANYANE-YEBOA M.D.

Medical Genetics (Clinical Genetics (M.D.))

1000 10TH AVE, SUITE 11A-GENETICS
NEW YORK, NY 10019

New York County (212) 523-5895

DR. DANIEL J EGAN MD

Emergency Medicine

1000 10TH AVE, ST. LUKE'S ROOSEVELT HOSPITAL CENTER
NEW YORK, NY 10019

New York County (212) 523-6745

DR. ELLEN B. TABOR M.D.

Psychiatry & Neurology (Psychiatry)

1000 10TH AVE, ROOSEVELT HOSPITAL 7-G
NEW YORK, NY 10019

New York County (212) 523-7997

DEPARTMENT OF NEUROLOGY PROFESSIONAL SERVICES GROUP/SLRHC

Psychiatry & Neurology (Neurology)

1000 10TH AVE, SUITE 3B20
NEW YORK, NY 10019

New York County (212) 523-7350

DR. CHRISTINE L. LAY M.D., FRCPC

Psychiatry & Neurology (Psychiatry)

1000 10TH AVE, SUITE 1C10
NEW YORK, NY 10019

New York County (212) 523-5869

DR. LUCIA VAIL PH.D.

Psychologist (Clinical)

1000 10TH AVE, 6TH FLOOR
NEW YORK, NY 10019

New York County (917) 842-5817

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 Anthony Nehlsen's NPI number?

The NPI number for Anthony Nehlsen is 1144753567. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Anthony Nehlsen located?

Anthony Nehlsen practices at 1000 10th Ave, New York, NY 10019. The listed phone number is (212) 523-7165.

What is Anthony Nehlsen's specialty?

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

Is Anthony Nehlsen enrolled in Medicare?

Yes. Anthony Nehlsen 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.

Is Anthony Nehlsen affiliated with any hospitals?

According to CMS data, Anthony Nehlsen is affiliated with Mount Sinai St Luke's Roosevelt Hospital.

When was this NPI record last updated?

The NPPES record for Anthony Nehlsen was last updated on November 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.