Rujing Shi, DO
NPI 1710446539 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rujing Shi, DO is a Internal Medicine Physician provider in San Diego, CA (NPI 1710446539).
Provider details
- NPI number
- 1710446539
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A19399 (CA)
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
7 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
398 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 35 Minutes99232 | 247 | $80 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 78 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 73 | $121 |
Typical Medicare-allowed amounts for these services range $80–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 20 | 20 |
| Famotidine | 19 | 19 |
| Pantoprazole Sodium | 18 | 18 |
| Furosemide | 18 | 17 |
| Apixabanbrand: Eliquis | 13 | 12 |
| Metoprolol Tartrate | 13 | 13 |
| Prednisone | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-19
- Last updated
- 2025-11-12
- Certified
- 2025-11-12
Frequently asked questions
- What is Rujing Shi's NPI number?
- Rujing Shi's National Provider Identifier (NPI) is 1710446539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rujing Shi's specialty?
- Rujing Shi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rujing Shi located?
- Rujing Shi's practice location on file with NPPES is 4077 Fifth Ave, San Diego, CA 92103-2105.
- What is Rujing Shi's phone number?
- The practice phone number listed in the NPPES registry for Rujing Shi is (619) 260-7220.
- Does Rujing Shi accept Medicare?
- Rujing Shi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rujing Shi's NPI active?
- Yes — Rujing Shi's NPI (1710446539) is active in the NPPES registry as of the last update on 2025-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.