Theodore Shu, M.D.
NPI 1598820029 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Shu, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1598820029).
Provider details
- NPI number
- 1598820029
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A80265 (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
228 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 78 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 63 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 46 | $99 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 15 | $3 |
| Admn Sarscov2 Vacc 1 Dose90480 | 15 | $47 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 83 | 37 |
| Metformin Hcl | 67 | 26 |
| Amlodipine Besylate | 44 | 16 |
| Losartan Potassium | 38 | 14 |
| Gabapentin | 32 | — |
| Benazepril Hcl | 31 | 13 |
| Lisinopril | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2013-12-02
Frequently asked questions
- What is Theodore Shu's NPI number?
- Theodore Shu's National Provider Identifier (NPI) is 1598820029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Shu's specialty?
- Theodore Shu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Shu located?
- Theodore Shu's practice location on file with NPPES is 1520 San Pablo St, Los Angeles, CA 90033-5310.
- What is Theodore Shu's phone number?
- The practice phone number listed in the NPPES registry for Theodore Shu is (323) 442-5100.
- Does Theodore Shu accept Medicare?
- Theodore Shu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Shu's NPI active?
- Yes — Theodore Shu's NPI (1598820029) is active in the NPPES registry as of the last update on 2013-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.