Physician Profile
Unclaimed ProfileAbout CHAN
Based in Thousand Oaks, CA, Jonathan James Wanglun Chan, M.D. is listed in the NPI registry under pulmonary disease. Jonathan graduated from Eastern Virginia Medical School in 2014. Jonathan is also listed as specialising in 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 kind of doctor is Dr. Chan?
Dr. Chan is a pulmonary disease in Thousand Oaks, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PULMONARY DISEASE”.
NPI registry
What is Dr. Chan's address?
Dr. Chan is listed at 248 HAMPSHIRE RD STE 100, Thousand Oaks, CA 91361. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Chan?
The number on file is (805) 370-0040. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chan?
Dr. Chan's National Provider Identifier is 1982016929. 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
Where did Dr. Chan train?
Dr. Chan attended Eastern Virginia Medical School, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chan have?
Dr. Chan has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Chan perform?
According to Medicare billing data, Dr. Chan provides treatments such as test to examine how well the lungs exchange gases and test to measure expiratory airflow and volume, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 370-0040
- Email not available
Practice Locations
248 HAMPSHIRE RD STE 100
Thousand Oaks, CA 91361
Procedures Most Often Billed to Medicare
429 services · 384 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
41 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
26 |
| Test to determine lung volumes using sensors | Treatment | 94726 |
22 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
16 |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
11 |
| Test to determine lung volumes using gas dilution or washout | Treatment | 94727 |
11 |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
11 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
63 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
51 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
48 |
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 Thousand Oaks 8
Same specialty, same city.
Trained at Eastern Virginia Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2014 at Eastern Virginia Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Test to examine how well the lungs exchange gases 8
Providers in CA 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.