Willow Medical Center
NPI 1528429636 · Primary Care Clinic/Center · Woodland Hills, CA
Willow Medical Center is a Primary Care Clinic/Center organization in Woodland Hills, CA (NPI 1528429636).
Provider details
- NPI number
- 1528429636
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Michael Lewis, Ceo/ Physician/Owner(818) 658-3830
- License
- A103852 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Michael R. Lewis, MD
Registry dates
- Enumerated
- 2016-03-16
- Last updated
- 2016-03-16
Frequently asked questions
- What is Willow Medical Center's NPI number?
- Willow Medical Center's National Provider Identifier (NPI) is 1528429636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Willow Medical Center?
- Willow Medical Center is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Willow Medical Center located?
- Willow Medical Center's practice location on file with NPPES is 20315 Ventura Blvd, Woodland Hills, CA 91364-2449.
- What is Willow Medical Center's phone number?
- The practice phone number listed in the NPPES registry for Willow Medical Center is (818) 658-3830.
- Who is the authorized official for Willow Medical Center?
- The authorized official listed on Willow Medical Center's NPPES record is Michael Lewis, Ceo/ Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Willow Medical Center's NPI active?
- Yes — Willow Medical Center's NPI (1528429636) is active in the NPPES registry as of the last update on 2016-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.