Christopher Wissar, MD
NPI 1649980327 · Family Medicine Physician · West Covina, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Wissar, MD is a Family Medicine Physician provider in West Covina, CA (NPI 1649980327).
Provider details
- NPI number
- 1649980327
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P20 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 374 | 152 |
| Metformin Hcl | 243 | 103 |
| Lisinopril | 222 | 85 |
| Amlodipine Besylate | 205 | 75 |
| Losartan Potassium | 193 | 74 |
| Levothyroxine Sodium | 171 | 54 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-12-02
- Last updated
- 2022-12-02
- Certified
- 2022-12-02
Frequently asked questions
- What is Christopher Wissar's NPI number?
- Christopher Wissar's National Provider Identifier (NPI) is 1649980327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Wissar's specialty?
- Christopher Wissar is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Wissar located?
- Christopher Wissar's practice location on file with NPPES is 1300 S Sunset Ave, West Covina, CA 91790-3342.
- What is Christopher Wissar's phone number?
- The practice phone number listed in the NPPES registry for Christopher Wissar is (888) 099-9303.
- Does Christopher Wissar accept Medicare?
- Christopher Wissar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Wissar's NPI active?
- Yes — Christopher Wissar's NPI (1649980327) is active in the NPPES registry as of the last update on 2022-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.