Julia Shih, DO
NPI 1871121517 · Hospitalist Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julia Shih, DO is a Hospitalist Physician provider in Fontana, CA (NPI 1871121517).
Provider details
- NPI number
- 1871121517
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A19787 (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
6 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
11 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) |
|---|---|---|
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 11 | $115 |
Typical Medicare-allowed amounts for these services range $115–$115 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 20 | 14 |
| Bisoprolol Fumarate | 18 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 14 | 14 |
| Atorvastatin Calcium | 13 | 12 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 13 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 12 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-30
- Last updated
- 2024-03-08
- Certified
- 2024-03-08
Frequently asked questions
- What is Julia Shih's NPI number?
- Julia Shih's National Provider Identifier (NPI) is 1871121517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julia Shih's specialty?
- Julia Shih is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Julia Shih located?
- Julia Shih's practice location on file with NPPES is 17234 Valley Boulevard, Fontana, CA 92335-6720.
- What is Julia Shih's phone number?
- The practice phone number listed in the NPPES registry for Julia Shih is (909) 427-4128.
- Does Julia Shih accept Medicare?
- Julia Shih is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julia Shih's NPI active?
- Yes — Julia Shih's NPI (1871121517) is active in the NPPES registry as of the last update on 2024-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.