Sean Kaer, MD
NPI 1841378684 · Family Medicine Physician · Napa, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Kaer, MD is a Family Medicine Physician provider in Napa, CA (NPI 1841378684).
Provider details
- NPI number
- 1841378684
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A75766 (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
19 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 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 619 | 199 |
| Losartan Potassium | 237 | 82 |
| Levothyroxine Sodium | 206 | 65 |
| Tamsulosin Hcl | 202 | 57 |
| Famotidine | 200 | 72 |
| Lisinopril | 194 | 73 |
| Amlodipine Besylate | 183 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-08
Frequently asked questions
- What is Sean Kaer's NPI number?
- Sean Kaer's National Provider Identifier (NPI) is 1841378684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Kaer's specialty?
- Sean Kaer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Kaer located?
- Sean Kaer's practice location on file with NPPES is 3285 Claremont Way, Napa, CA 94558-3313.
- What is Sean Kaer's phone number?
- The practice phone number listed in the NPPES registry for Sean Kaer is (707) 258-2500.
- Does Sean Kaer accept Medicare?
- Sean Kaer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Kaer's NPI active?
- Yes — Sean Kaer's NPI (1841378684) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.