Johnny Ling, MD
NPI 1578927539 · Diagnostic Radiology Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johnny Ling, MD is a Diagnostic Radiology Physician provider in Dallas, TX (NPI 1578927539).
Provider details
- NPI number
- 1578927539
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A171311 (CA)
Specialties & taxonomies
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
10 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
1,265 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 | 244 | $53 |
| Ct Scan of Chest With Contrast71260 | 177 | $56 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 143 | $90 |
| Low Dose Ct Scan of Chest for Lung Cancer Screening71271 | 124 | $54 |
| Ct Scan of Chest Without Contrast71250 | 100 | $56 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 82 | $94 |
Practice location
Mailing address
Additional practice locations (1)
- 300 Pasteur Dr Rm H1307Stanford, CA 94305-2200Phone: (650) 723-8463
Registry dates
- Enumerated
- 2016-04-06
- Last updated
- 2024-11-19
- Certified
- 2024-11-19
Frequently asked questions
- What is Johnny Ling's NPI number?
- Johnny Ling's National Provider Identifier (NPI) is 1578927539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johnny Ling's specialty?
- Johnny Ling is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Johnny Ling located?
- Johnny Ling's practice location on file with NPPES is 2825 Oak Lawn Ave Unit 192749, Dallas, TX 75219-4688.
- What is Johnny Ling's phone number?
- The practice phone number listed in the NPPES registry for Johnny Ling is (510) 683-9500.
- Does Johnny Ling accept Medicare?
- Johnny Ling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johnny Ling's NPI active?
- Yes — Johnny Ling's NPI (1578927539) is active in the NPPES registry as of the last update on 2024-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.