Brandon Shiau, MD
NPI 1427588995 · Internal Medicine Physician · Manhattan Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brandon Shiau, MD is a Internal Medicine Physician provider in Manhattan Beach, CA (NPI 1427588995).
Provider details
- NPI number
- 1427588995
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A157285 (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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
94 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $114 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 24 | $100 |
Typical Medicare-allowed amounts for these services range $81–$114 (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 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 605 | 264 |
| Losartan Potassium | 389 | 170 |
| Amlodipine Besylate | 284 | 132 |
| Lisinopril | 245 | 112 |
| Metformin Hcl | 236 | 103 |
| Levothyroxine Sodium | 201 | 80 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Additional practice locations (1)
- 751 S Bascom AveSan Jose, CA 95128-2604Phone: (408) 885-5000
Registry dates
- Enumerated
- 2017-06-15
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is Brandon Shiau's NPI number?
- Brandon Shiau's National Provider Identifier (NPI) is 1427588995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brandon Shiau's specialty?
- Brandon Shiau is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brandon Shiau located?
- Brandon Shiau's practice location on file with NPPES is 2501 N Sepulveda Blvd Ste 100, Manhattan Beach, CA 90266-2735.
- What is Brandon Shiau's phone number?
- The practice phone number listed in the NPPES registry for Brandon Shiau is (310) 546-4599.
- Does Brandon Shiau accept Medicare?
- Brandon Shiau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brandon Shiau's NPI active?
- Yes — Brandon Shiau's NPI (1427588995) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.