Shern Sirisuk, DO
NPI 1083699375 · Family Medicine Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shern Sirisuk, DO is a Family Medicine Physician provider in Riverside, CA (NPI 1083699375).
Provider details
- NPI number
- 1083699375
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A8735 (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
20 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
421 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 163 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 111 | $132 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 55 | $133 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 52 | $20 |
| 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 | 27 | $17 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 143 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 714 | 231 |
| Amlodipine Besylate | 517 | 152 |
| Lisinopril | 352 | 110 |
| Losartan Potassium | 332 | 96 |
| Metformin Hcl | 323 | 102 |
| Omeprazole | 280 | 91 |
| Fluticasone Propionate | 220 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$161 across 7 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
- 2005-12-09
- Last updated
- 2025-04-14
- Certified
- 2025-04-14
Frequently asked questions
- What is Shern Sirisuk's NPI number?
- Shern Sirisuk's National Provider Identifier (NPI) is 1083699375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shern Sirisuk's specialty?
- Shern Sirisuk is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shern Sirisuk located?
- Shern Sirisuk's practice location on file with NPPES is 6405 Day St, Riverside, CA 92507-0901.
- What is Shern Sirisuk's phone number?
- The practice phone number listed in the NPPES registry for Shern Sirisuk is (951) 697-5450.
- Does Shern Sirisuk accept Medicare?
- Shern Sirisuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shern Sirisuk's NPI active?
- Yes — Shern Sirisuk's NPI (1083699375) is active in the NPPES registry as of the last update on 2025-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.