Rex Parker, MD
NPI 1790902872 · Diagnostic Radiology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rex Parker, MD is a Diagnostic Radiology Physician provider in Baltimore, MD (NPI 1790902872).
Provider details
- NPI number
- 1790902872
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2011003942 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,632 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 Abdomen and Pelvis With Contrast74177 | 434 | $82 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 334 | $82 |
| Ct Scan of Chest With Contrast71260 | 325 | $50 |
| Ct Scan of Chest With Contrast71260 | 280 | $50 |
| Mri Scan of Abdomen Before and After Contrast74183 | 138 | $98 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 135 |
Practice location
Mailing address
Additional practice locations (3)
- 3901 Rainbow BlvdKansas City, KS 66160-5260Phone: (408) 315-9341
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 334-3850Fax: (508) 334-3947
- 1 Medical Center DrLebanon, NH 03756-0001Phone: (602) 650-5000Fax: (603) 640-1228
Registry dates
- Enumerated
- 2007-04-19
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Rex Parker's NPI number?
- Rex Parker's National Provider Identifier (NPI) is 1790902872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rex Parker's specialty?
- Rex Parker is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Rex Parker located?
- Rex Parker's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Rex Parker's phone number?
- The practice phone number listed in the NPPES registry for Rex Parker is (410) 955-5000.
- Does Rex Parker accept Medicare?
- Rex Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rex Parker's NPI active?
- Yes — Rex Parker's NPI (1790902872) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.