Sharen Knudsen Jeffries MD PC
NPI 1649545070 · Medical Specialty Clinic/Center · Newport Beach, CA
Sharen Knudsen Jeffries MD PC is a Medical Specialty Clinic/Center organization in Newport Beach, CA (NPI 1649545070).
Provider details
- NPI number
- 1649545070
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Sharen Jeffries, Owner/Physician(909) 793-2500
- License
- A50970 (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
14 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)
- Other name
- Snoring Center
Registry dates
- Enumerated
- 2012-03-19
- Last updated
- 2012-03-19
Frequently asked questions
- What is Sharen Knudsen Jeffries MD PC's NPI number?
- Sharen Knudsen Jeffries MD PC's National Provider Identifier (NPI) is 1649545070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sharen Knudsen Jeffries MD PC?
- Sharen Knudsen Jeffries MD PC is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Sharen Knudsen Jeffries MD PC located?
- Sharen Knudsen Jeffries MD PC's practice location on file with NPPES is 400 Newport Center Dr, Newport Beach, CA 92660-7601.
- What is Sharen Knudsen Jeffries MD PC's phone number?
- The practice phone number listed in the NPPES registry for Sharen Knudsen Jeffries MD PC is (909) 793-2500.
- Who is the authorized official for Sharen Knudsen Jeffries MD PC?
- The authorized official listed on Sharen Knudsen Jeffries MD PC's NPPES record is Sharen Jeffries, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sharen Knudsen Jeffries MD PC's NPI active?
- Yes — Sharen Knudsen Jeffries MD PC's NPI (1649545070) is active in the NPPES registry as of the last update on 2012-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.