Ashley Knight-Greenfield
NPI 1023437514 · Diagnostic Radiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Knight-Greenfield is a Diagnostic Radiology Physician provider in New York, NY (NPI 1023437514).
Provider details
- NPI number
- 1023437514
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 036.149486 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,126 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 219 | $45 |
| Mri Scan of Brain Before and After Contrast70553 | 124 | $338 |
| Mri Scan of Brain Without Contrast70551 | 100 | $222 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 88 | $215 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 65 | $191 |
| Florbetaben F18, Diagnostic, Per Study Dose, Up to 8.1 MillicuriesQ9983 | 50 |
Practice location
Mailing address
Additional practice locations (1)
- 1000 10th AveNew York, NY 10019-1147Phone: (917) 597-2433
Registry dates
- Enumerated
- 2014-04-10
- Last updated
- 2023-04-12
- Certified
- 2023-04-12
Frequently asked questions
- What is Ashley Knight-Greenfield's NPI number?
- Ashley Knight-Greenfield's National Provider Identifier (NPI) is 1023437514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Knight-Greenfield's specialty?
- Ashley Knight-Greenfield is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ashley Knight-Greenfield located?
- Ashley Knight-Greenfield's practice location on file with NPPES is 525 E 68th St, New York, NY 10065-4870.
- What is Ashley Knight-Greenfield's phone number?
- The practice phone number listed in the NPPES registry for Ashley Knight-Greenfield is (212) 746-6000.
- Does Ashley Knight-Greenfield accept Medicare?
- Ashley Knight-Greenfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Knight-Greenfield's NPI active?
- Yes — Ashley Knight-Greenfield's NPI (1023437514) is active in the NPPES registry as of the last update on 2023-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.