Wesley Shih, M.D.
NPI 1013939420 · Internal Medicine Physician · Encinitas, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wesley Shih, M.D. is a Internal Medicine Physician provider in Encinitas, CA (NPI 1013939420).
Provider details
- NPI number
- 1013939420
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A89598 (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
980 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 | 611 | $121 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 286 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 61 | $174 |
| Initial Hospital Care With Same-Day Admission and Discharge With High Level of Medical Decision Making, Per Day, If Using Time, at Least 85 Minutes99236 | 22 | $211 |
Typical Medicare-allowed amounts for these services range $118–$211 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 35 | 25 |
| Cephalexin | 32 | 32 |
| Prednisone | 18 | 17 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 16 |
| Metoprolol Succinate | 16 | 15 |
| Cefuroxime Axetilbrand: Cefuroxime | 15 | 15 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2011-02-10
Frequently asked questions
- What is Wesley Shih's NPI number?
- Wesley Shih's National Provider Identifier (NPI) is 1013939420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wesley Shih's specialty?
- Wesley Shih is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wesley Shih located?
- Wesley Shih's practice location on file with NPPES is 354 Santa Fe Dr, Encinitas, CA 92024-5142.
- What is Wesley Shih's phone number?
- The practice phone number listed in the NPPES registry for Wesley Shih is (760) 230-2251.
- Does Wesley Shih accept Medicare?
- Wesley Shih is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wesley Shih's NPI active?
- Yes — Wesley Shih's NPI (1013939420) is active in the NPPES registry as of the last update on 2011-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.