Quick answers
- Does William C. Conway Ii accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Conway Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William C. Conway Ii see?
- In 2024, CMS data shows 286 Original Medicare patients and 693 services for William C. Conway Ii. This counts Original Medicare only and measures volume, not quality.
- What is William C. Conway Ii's NPI number?
- 1962626390. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William C. Conway Ii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 286 |
|---|---|
| Services billed to Medicare | 693 |
| Different services or procedures | 94 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)169 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)163 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)32 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)18 services
- Incision or creation of opening of gallbladder with drainage or removal of bile duct stone (47420)17 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure72%
- Arthritis56%
- Chronic kidney disease30%
- Diabetes28%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
Hospitals where William C. Conway Ii works
Medicare's Facility Affiliation Data lists William C. Conway Ii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Goleta Valley Cottage HospitalSanta Barbara, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050357
- Lompoc Valley Medical CenterLompoc, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050110
- Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050107
- Santa Barbara Cottage HospitalSanta Barbara, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050396
- Santa Ynez Valley Cottage HospitalSolvang, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051331
Practice locations
Addresses where William C. Conway Ii is enrolled with Medicare (CMS data updated October 2, 2026).
- 317 W Pueblo StSanta Barbara, CA 93105 (805) 681‑7500
Group practices
Medicare enrollment lists William C. Conway Ii as a member of this group (CMS data updated October 2, 2026).
- Sansum Clinic320 clinicians in the group
Specialties
- General Practiceprimary
- General Surgeryalso
- Surgical Oncologyalso
Other general practitioners in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Sansum Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962626390 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians