Paul Kaesberg, M.D.
NPI 1023084035 · Hematology & Oncology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Kaesberg, M.D. is a Hematology & Oncology Physician provider in Sacramento, CA (NPI 1023084035).
Provider details
- NPI number
- 1023084035
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G88099 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,283 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) |
|---|---|---|
| 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 | 492 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 411 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 140 | $67 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 87 | $147 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 39 | $135 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 60 | 19 |
| Zanubrutinibbrand: Brukinsa | 53 | 13 |
| Dexamethasone | 44 | 14 |
| Hydroxyurea | 35 | 14 |
| Ruxolitinib Phosphatebrand: Jakafi | 32 | — |
| Acalabrutinib Maleatebrand: Calquence | 25 | — |
| Montelukast Sodium | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38,633 across 26 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
- 2006-02-28
- Last updated
- 2019-08-29
Frequently asked questions
- What is Paul Kaesberg's NPI number?
- Paul Kaesberg's National Provider Identifier (NPI) is 1023084035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Kaesberg's specialty?
- Paul Kaesberg is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Kaesberg located?
- Paul Kaesberg's practice location on file with NPPES is 2279 45th Street, Sacramento, CA 95817-2229.
- What is Paul Kaesberg's phone number?
- The practice phone number listed in the NPPES registry for Paul Kaesberg is (916) 734-5959.
- Does Paul Kaesberg accept Medicare?
- Paul Kaesberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Kaesberg's NPI active?
- Yes — Paul Kaesberg's NPI (1023084035) is active in the NPPES registry as of the last update on 2019-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.