Chad Guenther, MD
NPI 1063874758 · Hematology & Oncology Physician · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chad Guenther, MD is a Hematology & Oncology Physician provider in Santa Barbara, CA (NPI 1063874758).
Provider details
- NPI number
- 1063874758
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 73001 (WI)
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 tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,031 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 581 | $135 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 215 | $17 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 170 | $146 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 160 | $96 |
| 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 | 144 | $17 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 54 | 20 |
| Apixabanbrand: Eliquis | 50 | 14 |
| Acyclovir | 45 | 12 |
| Anastrozole | 41 | 14 |
| Levothyroxine Sodium | 24 | — |
| Potassium Chloride | 23 | — |
| Abiraterone Acetate | 21 | — |
Practice location
Mailing address
Additional practice locations (3)
- 6201 Harry Hines BlvdDallas, TX 75390Phone: (214) 633-5555
- 5323 Harry Hines BlvdDallas, TX 75390-7201Phone: (214) 590-8000
- Uw Hospitals & Clinics600 Highland AveMadison, WI 53792-0001Phone: (608) 263-6400
Registry dates
- Enumerated
- 2016-03-22
- Last updated
- 2023-08-24
- Certified
- 2023-08-24
Frequently asked questions
- What is Chad Guenther's NPI number?
- Chad Guenther's National Provider Identifier (NPI) is 1063874758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chad Guenther's specialty?
- Chad Guenther is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Chad Guenther located?
- Chad Guenther's practice location on file with NPPES is 540 W Pueblo St, Santa Barbara, CA 93105-4230.
- What is Chad Guenther's phone number?
- The practice phone number listed in the NPPES registry for Chad Guenther is (805) 879-0670.
- Does Chad Guenther accept Medicare?
- Chad Guenther is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chad Guenther's NPI active?
- Yes — Chad Guenther's NPI (1063874758) is active in the NPPES registry as of the last update on 2023-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.