David Chan, D.O.
NPI 1497068688 · Hospitalist Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chan, D.O. is a Hospitalist Physician provider in Fountain Valley, CA (NPI 1497068688).
Provider details
- NPI number
- 1497068688
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A13372 (CA)
Specialties & taxonomies
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
15 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
1,697 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 894 | $122 |
| Critical Care, First 30-74 Minutes99291 | 281 | $217 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 225 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 104 | $179 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 77 | $113 |
| Advance Care Planning, First 30 Minutes99497 | 71 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 60 | 48 |
| Losartan Potassium | 49 | 20 |
| Atorvastatin Calcium | 42 | 35 |
| Metoprolol Tartrate | 38 | 23 |
| Famotidine | 35 | 19 |
| Memantine Hcl | 33 | — |
| Tamsulosin Hcl | 31 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-16
- Last updated
- 2019-11-21
Frequently asked questions
- What is David Chan's NPI number?
- David Chan's National Provider Identifier (NPI) is 1497068688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chan's specialty?
- David Chan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is David Chan located?
- David Chan's practice location on file with NPPES is 10840 Warner Ave Ste 103, Fountain Valley, CA 92708-3847.
- What is David Chan's phone number?
- The practice phone number listed in the NPPES registry for David Chan is (714) 395-4595.
- Does David Chan accept Medicare?
- David Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chan's NPI active?
- Yes — David Chan's NPI (1497068688) is active in the NPPES registry as of the last update on 2019-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.