Marc Hertz, MD
NPI 1083660971 · Diagnostic Radiology Physician · Mount Kisco, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Hertz, MD is a Diagnostic Radiology Physician provider in Mount Kisco, NY (NPI 1083660971).
Provider details
- NPI number
- 1083660971
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 143553 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,673 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 430 | $58 |
| Screening Mammography77067 | 430 | $144 |
| X-Ray of Chest, 2 Views71046 | 262 | $37 |
| Complete Ultrasound Scan of 1 Breast76641 | 227 | $171 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 120 | $122 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 90 | $39 |
| Complete Ultrasound Scan Behind Abdominal Cavity |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2016-11-15
Frequently asked questions
- What is Marc Hertz's NPI number?
- Marc Hertz's National Provider Identifier (NPI) is 1083660971, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Hertz's specialty?
- Marc Hertz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Hertz located?
- Marc Hertz's practice location on file with NPPES is 90 S Bedford Rd, Mount Kisco, NY 10549-3412.
- What is Marc Hertz's phone number?
- The practice phone number listed in the NPPES registry for Marc Hertz is (914) 241-1050.
- Does Marc Hertz accept Medicare?
- Marc Hertz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Hertz's NPI active?
- Yes — Marc Hertz's NPI (1083660971) is active in the NPPES registry as of the last update on 2016-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.