Geraldine Newmark, MD
NPI 1235165846 · Diagnostic Radiology Physician · Evanston, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geraldine Newmark, MD is a Diagnostic Radiology Physician provider in Evanston, IL (NPI 1235165846).
Provider details
- NPI number
- 1235165846
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
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
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,402 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 of Chest Without Contrast71250 | 429 | $53 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 375 | $89 |
| Ct Scan of Chest With Contrast71260 | 238 | $55 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 183 | $85 |
| Mri Scan of Abdomen Before and After Contrast74183 | 125 | $107 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 117 | $28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Geraldine Newmark's NPI number?
- Geraldine Newmark's National Provider Identifier (NPI) is 1235165846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geraldine Newmark's specialty?
- Geraldine Newmark is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Geraldine Newmark located?
- Geraldine Newmark's practice location on file with NPPES is 2650 Ridge Ave, Evanston, IL 60201-1718.
- What is Geraldine Newmark's phone number?
- The practice phone number listed in the NPPES registry for Geraldine Newmark is (847) 570-2475.
- Does Geraldine Newmark accept Medicare?
- Geraldine Newmark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geraldine Newmark's NPI active?
- Yes — Geraldine Newmark's NPI (1235165846) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.