Serena Wu, MD
NPI 1427213123 · Psychiatry Physician · Berkeley, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Serena Wu, MD is a Psychiatry Physician provider in Berkeley, CA (NPI 1427213123).
Provider details
- NPI number
- 1427213123
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A110076 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
21 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 21 | $132 |
Typical Medicare-allowed amounts for these services range $132–$132 (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 |
|---|---|---|
| Atorvastatin Calcium | 27 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | — |
| Gabapentin | 16 | — |
| Bupropion Hclbrand: Bupropion Xl | 13 | — |
| Metformin Hcl | 13 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2201 Tuolumne StVallejo, CA 94589-2524Phone: (707) 558-1777
Registry dates
- Enumerated
- 2008-07-22
- Last updated
- 2018-03-17
Frequently asked questions
- What is Serena Wu's NPI number?
- Serena Wu's National Provider Identifier (NPI) is 1427213123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Serena Wu's specialty?
- Serena Wu is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Serena Wu located?
- Serena Wu's practice location on file with NPPES is 2344 6th St, Berkeley, CA 94710-2412.
- What is Serena Wu's phone number?
- The practice phone number listed in the NPPES registry for Serena Wu is (510) 981-4100.
- Does Serena Wu accept Medicare?
- Serena Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Serena Wu's NPI active?
- Yes — Serena Wu's NPI (1427213123) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.