Chok Wan, M.D.
NPI 1346346616 · Internal Medicine Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chok Wan, M.D. is a Internal Medicine Physician provider in Long Beach, CA (NPI 1346346616).
Provider details
- NPI number
- 1346346616
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A67228 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
2,658 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 Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 1,038 | $153 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 719 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 218 | $131 |
| Critical Care, First 30-74 Minutes99291 | 159 | $206 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 153 | $183 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 151 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 589 | 140 |
| Amlodipine Besylate | 383 | 90 |
| Tamsulosin Hcl | 296 | 45 |
| Gabapentin | 283 | 42 |
| Apixabanbrand: Eliquis | 238 | 30 |
| Metformin Hcl | 211 | 48 |
| Baclofen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Chok Wan's NPI number?
- Chok Wan's National Provider Identifier (NPI) is 1346346616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chok Wan's specialty?
- Chok Wan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chok Wan located?
- Chok Wan's practice location on file with NPPES is 2153 Pacific Avenue, Long Beach, CA 90806.
- What is Chok Wan's phone number?
- The practice phone number listed in the NPPES registry for Chok Wan is (562) 599-4833.
- Does Chok Wan accept Medicare?
- Chok Wan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chok Wan's NPI active?
- Yes — Chok Wan's NPI (1346346616) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.