William Kerr, M.S. PA-C
NPI 1720480767 · Physician Assistant · Lake Elsinore, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kerr, M.S. PA-C is a Physician Assistant provider in Lake Elsinore, CA (NPI 1720480767).
Provider details
- NPI number
- 1720480767
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- M.S. PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 51944 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
96 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 85 | $67 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $111 |
Typical Medicare-allowed amounts for these services range $67–$111 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sacubitril/Valsartanbrand: Entresto | 46 | 12 |
| Spironolactone | 35 | — |
| Metoprolol Succinate | 21 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 16 | — |
| Furosemide | 14 | — |
| Atorvastatin Calcium | 12 | — |
| Empagliflozin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (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
- 2014-09-22
- Last updated
- 2014-09-22
Frequently asked questions
- What is William Kerr's NPI number?
- William Kerr's National Provider Identifier (NPI) is 1720480767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kerr's specialty?
- William Kerr is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Kerr located?
- William Kerr's practice location on file with NPPES is 31571 Canyon Estates Dr, Lake Elsinore, CA 92532-0468.
- What is William Kerr's phone number?
- The practice phone number listed in the NPPES registry for William Kerr is (951) 471-0200.
- Does William Kerr accept Medicare?
- William Kerr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kerr's NPI active?
- Yes — William Kerr's NPI (1720480767) is active in the NPPES registry as of the last update on 2014-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.