William King, MD, JD
NPI 1427079250 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William King, MD, JD is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1427079250).
Provider details
- NPI number
- 1427079250
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, JD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A71878 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
736 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) |
|---|---|---|
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99489 | 162 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 156 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 96 | $97 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 78 | $9 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 78 | $42 |
| 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 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 382 | 110 |
| Atorvastatin Calcium | 296 | 87 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 227 | 73 |
| Rosuvastatin Calcium | 208 | 66 |
| Pantoprazole Sodium | 151 | 40 |
| Gabapentin | 148 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$56,849 across 111 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
- 2006-07-21
- Last updated
- 2017-05-12
Frequently asked questions
- What is William King's NPI number?
- William King's National Provider Identifier (NPI) is 1427079250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William King's specialty?
- William King is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William King located?
- William King's practice location on file with NPPES is 3756 Santa Rosalia Dr, Los Angeles, CA 90008-3606.
- What is William King's phone number?
- The practice phone number listed in the NPPES registry for William King is (323) 617-5409.
- Does William King accept Medicare?
- William King is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William King's NPI active?
- Yes — William King's NPI (1427079250) is active in the NPPES registry as of the last update on 2017-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.