ASHLEY KNIGHT-GREENFIELD
NPI 1023437514
Radiology - Diagnostic Radiology in New York, NY

Q: What is Ashley Knight-greenfield's NPI number?

The NPI number for Ashley Knight-greenfield is 1023437514. It was assigned to this individual provider in the NPPES registry on April 10, 2014.

Q: What is Ashley Knight-greenfield's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since April 10, 2014PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

525 E 68TH ST, NEW YORK, NY 10065(212) 746-6000 Get Directions Write a Review

NPPES record last updated: April 12, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 12, 2023, Sep 22, 2020, Jun 6, 2019 (3 updates tracked since 2019).

On this page

About Ashley Knight-greenfield NPPES

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

ASHLEY KNIGHT-GREENFIELD (NPI 1023437514) is an individual diagnostic radiology provider in New York, New York, licensed in New York (280870) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Icahn School Of Medicine At Mount Sinai (2014).

NPPES Registry Identity

NPI1023437514

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameASHLEY KNIGHT-GREENFIELD

Location Address525 E 68TH STNew York, NY 10065-4870

Mailing Address112 Southfield Ave Apt 302Stamford, CT 06902-7664 · (917) 597-2433

Phone(212) 746-6000

Sole ProprietorNo

Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2014

Enumeration DateApril 10, 2014

Last NPPES UpdateApril 12, 20233 updates tracked since enumeration

NPPES CertifiedApril 12, 2023

✔ NPI 1023437514 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in NY · 280870

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · Diagnostic NeuroimagingTaxonomy 2085D0003X · License 036.149486 (IL)

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

525 E 68TH ST, New York, NY 10065

Open in Google Maps ↗

Secondary Practice Location 1

Location 11000 10th AveNew York, NY 10019-1147 · Phone (917) 597-2433

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Ashley Knight-greenfield 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 ID8426396631

PECOS Enrollment IDI20250422000932

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 Ashley Knight-greenfield reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Weill Medical College Of Cornell

Same address

Diagnostic Radiology

525 E 68TH ST
New York, NY 10021

Reassigned Medicare billing, New York enrollment
249 clinicians in this Medicare group

NPI 1538109269 (212) 590-5741

Weill Cornell Imaging At Nyp

0.1 mi

Body Imaging

520 E 70TH ST, JO
New York, NY 10021

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Weill Cornell Imaging At New York Presbyterian
252 clinicians in this Medicare group

NPI 1205013646 (212) 590-5710

Kings Physician Services, PC

6.8 mi

Diagnostic Radiology

506 6TH STREET
Brooklyn, NY 11215

Reassigned Medicare billing, New York enrollment
1,029 clinicians in this Medicare group

NPI 1083045090 (718) 780-5051

Advanced Radiology Consultants LLC

56 mi

Diagnostic Radiology

1 CORPORATE DR STE 325
Shelton, CT 06484

Reassigned Medicare billing, Connecticut enrollment
33 clinicians in this Medicare group

NPI 1710991617 (203) 696-3642

Bridgeport Radiological Associates LLC

56 mi

Diagnostic Radiology

1 CORPORATE DR STE 325
Shelton, CT 06484

Reassigned Medicare billing, Connecticut enrollment
59 clinicians in this Medicare group

NPI 1962488981 (203) 696-3642

Advanced Radiology Mri Centers LP

57 mi

Magnetic Resonance Imaging (MRI)

1 CORPORATE DR STE 325
Shelton, CT 06484

Reassigned Medicare billing, Connecticut enrollment
33 clinicians in this Medicare group

NPI 1003820911 (203) 696-6125

Westchester-Ellenville Hospital, Inc.

70 mi

Critical Access

10 HEALTHY WAY
Ellenville, NY 12428

Reassigned Medicare billing, New York enrollment
41 clinicians in this Medicare group

NPI 1073525341 (845) 647-6400

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 28

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.

Injection, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

12,221 services169 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,235 services13 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

219 services206 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

124 services122 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

100 services99 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

88 services88 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

65 services65 patients

Florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries Q9983

Florbetaben F18 is a radioactive diagnostic agent used in PET scans to detect amyloid plaques, often found in Alzheimer's patients. A dose of up to 8.1 millicuries is administered for each study.

50 services50 patients

Mri scan of brain without contrast 70551

48 services48 patients

Ct scan head or brain without contrast 70450

36 services36 patients

Mri scan of brain before and after contrast 70553

35 services34 patients

Nuclear medicine study limited area 78811

A nuclear medicine study limited area involves using small amounts of radioactive materials to diagnose or treat a specific part of your body. This safe, painless procedure helps doctors visualize organ function and structure, aiding in precise diagnosis.

35 services35 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

27 services26 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

27 services27 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

27 services25 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

25 services25 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

24 services24 patients

Mri scan of blood vessels of neck without contrast 70547

An MRI scan of the neck's blood vessels without contrast is a non-invasive procedure that uses magnetic fields to create detailed images of your neck's blood vessels. It helps identify any abnormalities or blockages, aiding in accurate diagnosis and treatment planning.

24 services24 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

23 services23 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

23 services23 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

22 services22 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

21 services21 patients

Mri scan of blood vessels of head without contrast 70544

18 services18 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

16 services15 patients

Mri scan of lower spinal canal without contrast 72148

13 services13 patients

Nuclear medicine study limited area with ct scan 78814

A nuclear medicine study with a limited area CT scan is a diagnostic procedure. A small amount of radioactive substance is injected into your body, which helps create detailed images of a specific area. The CT scan further enhances these images, providing clearer, more precise results.

13 services13 patients

Mri scan of bone of eye socket, face, and/or neck before and after contrast 70543

An MRI scan of the eye socket, face, and/or neck uses magnetic fields to create detailed images of these areas. Contrast dye helps highlight specific tissues for clearer pictures. It's non-invasive, aids in detecting abnormalities, and guides treatment plans.

12 services12 patients

Mri scan of upper spinal canal without contrast 72141

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10065 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

$102.04 typical visit price

range $65.69 – $198.19

Typical copayment $25.51 (range $16.42 – $49.54)

Most-billed visit code 99203

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.

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.8

Promoting Interoperability

100

Improvement Activities

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.

DR. AKILI HINSON M.D.

Surgery

525 E 68TH ST
NEW YORK, NY 10065

New York County (212) 746-5454

ABBY AVGERINOS

Nurse Practitioner (Adult Health)

525 E 68TH ST
NEW YORK, NY 10065

New York County (610) 742-3894

DR. PAMELA JOAN-YIN TIEU M.D.

Hospitalist

525 E 68TH ST
NEW YORK, NY 10065

New York County (212) 746-5454

JENNIFER ANNE SOO HOO MD

Physical Medicine & Rehabilitation (Sports Medicine)

525 E 68TH ST
NEW YORK, NY 10065

New York County (212) 746-1500

WEILL MEDICAL COLLEGE OF CORNELL

Specialist

525 E 68TH ST
NEW YORK, NY 10065

New York County (212) 746-2846

MS. RACHAEL HALEY BLAIRE PA-C

Physician Assistant

525 E 68TH ST
NEW YORK, NY 10065

New York County (480) 221-9894

DR. NISHA MEHTA-NAIK M.D.

Psychiatry & Neurology (Psychiatry)

525 E 68TH ST, MAIL SLOT 140
NEW YORK, NY 10065

New York County (212) 746-3720

POOJA SHAH SALVI

Student in an Organized Health Care Education/Training Program

525 E 68TH ST
NEW YORK, NY 10065

New York County (646) 962-8413

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 Ashley Knight-greenfield's NPI number?

The NPI number for Ashley Knight-greenfield is 1023437514. It was assigned to this individual provider in the NPPES registry on April 10, 2014.

Where is Ashley Knight-greenfield located?

Ashley Knight-greenfield practices at 525 E 68th St, New York, NY 10065. The listed phone number is (212) 746-6000.

What is Ashley Knight-greenfield's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Ashley Knight-greenfield enrolled in Medicare?

Yes. Ashley Knight-greenfield 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 Ashley Knight-greenfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Knight-greenfield reassigns Medicare benefits to 7 organizations: Weill Medical College Of Cornell (New York, NY), Weill Cornell Imaging At Nyp (New York, NY), Kings Physician Services, PC (Brooklyn, NY), Advanced Radiology Consultants LLC (Shelton, CT), Bridgeport Radiological Associates LLC (Shelton, CT) and 2 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 Ashley Knight-greenfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Knight-greenfield accept?

Health plans from Anthem Blue Cross and Blue Shield list Ashley Knight-greenfield 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 Ashley Knight-greenfield was last updated on April 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.