Jonathan Chan, M.D.
NPI 1982016929 · Pulmonary Disease Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Chan, M.D. is a Pulmonary Disease Physician provider in Thousand Oaks, CA (NPI 1982016929).
Provider details
- NPI number
- 1982016929
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C194944 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
429 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 63 | $186 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $94 |
| 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'SG2211 | 48 | $18 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 41 | $67 |
| Critical Care, First 30-74 Minutes99291 | 29 | $222 |
| Test to Measure Expiratory Airflow and Volume |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 221 | 83 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 146 | 59 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 115 | 40 |
| Tiotropium Bromidebrand: Spiriva Respimat | 110 | 38 |
| Prednisone | 94 | 58 |
| Montelukast Sodium | 77 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$95 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-26
- Last updated
- 2024-08-27
- Certified
- 2024-08-27
Frequently asked questions
- What is Jonathan Chan's NPI number?
- Jonathan Chan's National Provider Identifier (NPI) is 1982016929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Chan's specialty?
- Jonathan Chan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Chan located?
- Jonathan Chan's practice location on file with NPPES is 248 Hampshire Rd Ste 100, Thousand Oaks, CA 91361-2401.
- What is Jonathan Chan's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Chan is (805) 370-0040.
- Does Jonathan Chan accept Medicare?
- Jonathan Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Chan's NPI active?
- Yes — Jonathan Chan's NPI (1982016929) is active in the NPPES registry as of the last update on 2024-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.