Christopher Kassar, DO
NPI 1346659174 · Family Medicine Physician · San Dimas, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Kassar, DO is a Family Medicine Physician provider in San Dimas, CA (NPI 1346659174).
Provider details
- NPI number
- 1346659174
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A14616 (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
11 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
1,263 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 | 394 | $98 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 198 | $21 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $138 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 191 | $20 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 188 | $140 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 335 | 87 |
| Lisinopril | 279 | 72 |
| Amlodipine Besylate | 264 | 71 |
| Losartan Potassium | 243 | 68 |
| Omeprazole | 200 | 60 |
| Metformin Hcl | 198 | 55 |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$742 across 33 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
- 2014-08-06
- Last updated
- 2025-05-21
- Certified
- 2025-05-21
Frequently asked questions
- What is Christopher Kassar's NPI number?
- Christopher Kassar's National Provider Identifier (NPI) is 1346659174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Kassar's specialty?
- Christopher Kassar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Kassar located?
- Christopher Kassar's practice location on file with NPPES is 615 E Foothill Blvd Ste a, San Dimas, CA 91773-1255.
- What is Christopher Kassar's phone number?
- The practice phone number listed in the NPPES registry for Christopher Kassar is (909) 335-3527.
- Does Christopher Kassar accept Medicare?
- Christopher Kassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Kassar's NPI active?
- Yes — Christopher Kassar's NPI (1346659174) is active in the NPPES registry as of the last update on 2025-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.