Christine Kaiser, M.D.
NPI 1023192267 · Hematology & Oncology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Kaiser, M.D. is a Hematology & Oncology Physician provider in Santa Rosa, CA (NPI 1023192267).
Provider details
- NPI number
- 1023192267
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A113028 (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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 132 | 52 |
| Filgrastim-Aafibrand: Nivestym | 110 | 23 |
| Abiraterone Acetate | 103 | 16 |
| Tamoxifen Citrate | 98 | 41 |
| Hydroxyurea | 63 | 20 |
| Prednisone | 61 | 28 |
| Ondansetron Hcl | 56 | 22 |
| Palbociclibbrand: Ibrance |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is Christine Kaiser's NPI number?
- Christine Kaiser's National Provider Identifier (NPI) is 1023192267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Kaiser's specialty?
- Christine Kaiser is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Christine Kaiser located?
- Christine Kaiser's practice location on file with NPPES is 401 Bicentennial Way Ste 160, Santa Rosa, CA 95403-2149.
- What is Christine Kaiser's phone number?
- The practice phone number listed in the NPPES registry for Christine Kaiser is (707) 393-4000.
- Does Christine Kaiser accept Medicare?
- Christine Kaiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Kaiser's NPI active?
- Yes — Christine Kaiser's NPI (1023192267) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.