Patrick Markwalter, MD
NPI 1902836448 · Diagnostic Radiology Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Markwalter, MD is a Diagnostic Radiology Physician provider in Winston Salem, NC (NPI 1902836448).
Provider details
- NPI number
- 1902836448
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 200100907 (NC)
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
19 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
1,610 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 259 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 129 | $37 |
| Ct Scan of Leg Without Contrast73700 | 94 | $44 |
| Mri Scan of Leg Joint Without Contrast73721 | 94 | $60 |
| Mri Scan of Arm Joint Without Contrast73221 | 83 | $60 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 78 | $80 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2011-03-07
Frequently asked questions
- What is Patrick Markwalter's NPI number?
- Patrick Markwalter's National Provider Identifier (NPI) is 1902836448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Markwalter's specialty?
- Patrick Markwalter is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Markwalter located?
- Patrick Markwalter's practice location on file with NPPES is 3155 Maplewood Ave, Winston Salem, NC 27103.
- What is Patrick Markwalter's phone number?
- The practice phone number listed in the NPPES registry for Patrick Markwalter is (336) 794-4372.
- Does Patrick Markwalter accept Medicare?
- Patrick Markwalter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Markwalter's NPI active?
- Yes — Patrick Markwalter's NPI (1902836448) is active in the NPPES registry as of the last update on 2011-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.