Si Chen, M.D.
NPI 1467794180 · Internal Medicine Physician · Bakersfield, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Si Chen, M.D. is a Internal Medicine Physician provider in Bakersfield, CA (NPI 1467794180).
Provider details
- NPI number
- 1467794180
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A138141 (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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
988 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 | 563 | $121 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 124 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 118 | $176 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $80 |
| Advance Care Planning, First 30 Minutes99497 | 69 | $77 |
| Critical Care, First 30-74 Minutes99291 | 45 | $212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 16 | 15 |
| Pantoprazole Sodium | 15 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 14 | 14 |
| Vancomycin Hcl | 14 | — |
| Atorvastatin Calcium | 12 | 11 |
| Furosemide | 11 | 11 |
| Cefdinir | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 400 W Pueblo StSanta Barbara, CA 93105-4353Phone: (805) 682-7111
Registry dates
- Enumerated
- 2013-03-20
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is Si Chen's NPI number?
- Si Chen's National Provider Identifier (NPI) is 1467794180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Si Chen's specialty?
- Si Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Si Chen located?
- Si Chen's practice location on file with NPPES is 1700 Mount Vernon Ave, Bakersfield, CA 93306-4018.
- What is Si Chen's phone number?
- The practice phone number listed in the NPPES registry for Si Chen is (661) 326-2000.
- Does Si Chen accept Medicare?
- Si Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Si Chen's NPI active?
- Yes — Si Chen's NPI (1467794180) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.