Physician Profile
Unclaimed ProfileAbout JOHN
Christopher Leigh John, MD is a healthcare provider in Little Rock, AR specialising in pulmonary disease. Christopher is also listed as specialising in internal medicine and critical care medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. John's specialty?
Dr. John is a pulmonary disease in Little Rock, AR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
Where can I find Dr. John?
Dr. John is listed at 11321 INTERSTATE 30 STE 306, Little Rock, AR 72209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. John?
The number on file is (501) 407-0200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. John?
Dr. John's National Provider Identifier is 1619974599. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. John's medical education?
Dr. John attended Other, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. John have?
Dr. John has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What is Dr. John known for?
According to Medicare billing data, Dr. John performs imaging including x-ray of chest, 2 views and x-ray of paranasal sinus, 1-2 views; provides treatments such as test to measure expiratory airflow and volume changes before and after medication administration and test to examine how well the lungs exchange gases, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. John's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. John. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (501) 407-0200
- Email not available
Practice Locations
11321 INTERSTATE 30 STE 306
Little Rock, AR 72209
Procedures Most Often Billed to Medicare
4,065 services · 2,159 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
205 |
| X-ray of paranasal sinus, 1-2 views | Imaging | 70210 |
11 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
703 |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
365 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
322 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
89 |
| Test for exercise-induced heart and lung stress | Treatment | 94621 |
45 |
| Test for exercise-induced lung stress | Treatment | 94618 |
23 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
21 |
| Test to measure lung airway sensitivity | Treatment | 94070 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pulmonary diseases in Little Rock 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1977 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 7
Providers in AR who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.