Chen Chen, D.O.
NPI 1831573823 · Internal Medicine Physician · Elk Grove, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chen Chen, D.O. is a Internal Medicine Physician provider in Elk Grove, CA (NPI 1831573823).
Provider details
- NPI number
- 1831573823
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,026 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 354 | $132 |
| 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 | 249 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $94 |
| Administration of Influenza Virus VaccineG0008 | 107 | $34 |
| Admn Sarscov2 Vacc 1 Dose90480 | 102 | $46 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 328 | 96 |
| Amlodipine Besylate | 235 | 64 |
| Losartan Potassium | 195 | 53 |
| Levothyroxine Sodium | 182 | 48 |
| Gabapentin | 147 | 34 |
| Metformin Hcl | 116 | 34 |
| Escitalopram Oxalate |
Practice location
Mailing address
Additional practice locations (1)
- 400 W. Pueblo Street, Medical Education OfficeSanta Barbara Cottage HospitalSanta Barbara, CA 93105Phone: (805) 569-7315Fax: (805) 569-8358
Registry dates
- Enumerated
- 2015-07-20
- Last updated
- 2018-10-08
Frequently asked questions
- What is Chen Chen's NPI number?
- Chen Chen's National Provider Identifier (NPI) is 1831573823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chen Chen's specialty?
- Chen Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chen Chen located?
- Chen Chen's practice location on file with NPPES is 8170 Laguna Blvd Ste 101, Elk Grove, CA 95758.
- What is Chen Chen's phone number?
- The practice phone number listed in the NPPES registry for Chen Chen is (916) 691-5915.
- Does Chen Chen accept Medicare?
- Chen Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chen Chen's NPI active?
- Yes — Chen Chen's NPI (1831573823) is active in the NPPES registry as of the last update on 2018-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.