Timothy Wong, DO
NPI 1992091623 · Sleep Medicine (Family Medicine) Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Wong, DO is a Sleep Medicine (Family Medicine) Physician provider in Loma Linda, CA (NPI 1992091623).
Provider details
- NPI number
- 1992091623
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A12729 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
674 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 297 | $130 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 116 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 99 | $93 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 44 | $43 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 30 | $171 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 160 | 68 |
| Amlodipine Besylate | 121 | 47 |
| Tamsulosin Hcl | 82 | 30 |
| Losartan Potassium | 79 | 36 |
| Rosuvastatin Calcium | 76 | 30 |
| Gabapentin | 75 | 32 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 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
Registry dates
- Enumerated
- 2011-06-21
- Last updated
- 2017-02-06
Frequently asked questions
- What is Timothy Wong's NPI number?
- Timothy Wong's National Provider Identifier (NPI) is 1992091623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Wong's specialty?
- Timothy Wong is listed in the NPPES registry with a primary specialty of Sleep Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Wong located?
- Timothy Wong's practice location on file with NPPES is 25455 Barton Rd, Loma Linda, CA 92354-3128.
- What is Timothy Wong's phone number?
- The practice phone number listed in the NPPES registry for Timothy Wong is (909) 558-6526.
- Does Timothy Wong accept Medicare?
- Timothy Wong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Wong's NPI active?
- Yes — Timothy Wong's NPI (1992091623) is active in the NPPES registry as of the last update on 2017-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.