Timothy So, PA
NPI 1811901960 · Physician Assistant · Long Beach, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy So, PA is a Physician Assistant provider in Long Beach, CA (NPI 1811901960).
Provider details
- NPI number
- 1811901960
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA13276 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 428 | 198 |
| Amlodipine Besylate | 320 | 154 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 277 | 82 |
| Sitagliptin Phosphatebrand: Januvia | 257 | 59 |
| Omeprazole | 255 | 127 |
| Trazodone Hcl | 253 | 161 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,701 across 81 records (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
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2009-10-14
Frequently asked questions
- What is Timothy So's NPI number?
- Timothy So's National Provider Identifier (NPI) is 1811901960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy So's specialty?
- Timothy So is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy So located?
- Timothy So's practice location on file with NPPES is 1627 E. Anaheim Street, Long Beach, CA 90813-3809.
- What is Timothy So's phone number?
- The practice phone number listed in the NPPES registry for Timothy So is (562) 437-0373.
- Does Timothy So accept Medicare?
- Timothy So is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy So's NPI active?
- Yes — Timothy So's NPI (1811901960) is active in the NPPES registry as of the last update on 2009-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.