Quick answers
- Does Philip A. Butler accept Medicare assignment?
- Yes. Medicare's clinician data says Philip A. Butler 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 Philip A. Butler see?
- In 2024, CMS data shows 347 Original Medicare patients and 4,855 services for Philip A. Butler. This counts Original Medicare only and measures volume, not quality.
- What is Philip A. Butler's NPI number?
- 1184665911. 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 Philip A. Butler, 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 | 347 |
|---|---|
| Services billed to Medicare | 4,855 |
| Different services or procedures | 85 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)720 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)172 services
- Automated urinalysis test (81003)163 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)108 services
- 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's (G2211)92 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 pressure68%
- Arthritis45%
- Ischemic heart disease33%
- Diabetes23%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)22%
Practice locations
Addresses where Philip A. Butler is enrolled with Medicare (CMS data updated October 2, 2026).
- 320 Santa Fe Dr, Suite 108Encinitas, CA 92024 (760) 436‑4558
- 9850 Genesee Ave, Suite 440La Jolla, CA 92037 (858) 453‑5944
Group practices
Medicare enrollment lists Philip A. Butler as a member of this group (CMS data updated October 2, 2026).
- Genesis Healthcare Partners PC228 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Encinitas
Clinicians with the same Medicare primary specialty in Encinitas, CA — not a recommendation.
Other clinicians in Genesis Healthcare Partners PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184665911 |
| 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
- 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