Lauren Sundheimer, MD, MS
NPI 1891089785 · Reproductive Endocrinology Physician · Newport Beach, CA
Lauren Sundheimer, MD, MS is a Reproductive Endocrinology Physician provider in Newport Beach, CA (NPI 1891089785).
Provider details
- NPI number
- 1891089785
- Entity type
- Individual
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS
- Sex
- Female
- Sole proprietor
- Yes
- License
- A124809 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
6 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 2 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
Additional practice locations (5)
- 4150 Regents Park Row Ste 321La Jolla, CA 92037-9124Phone: (619) 673-8658
- 4756 El Camino RealLos Altos, CA 94022-1330Phone: (650) 445-4724
- 88 Sutter StSan Francisco, CA 94104-4900Phone: (628) 777-7064
- 500 Broadway Ste 7Santa Monica, CA 90401-2988Phone: (323) 410-1291
- 1700 N Main StWalnut Creek, CA 94596-4105Phone: (925) 322-2115
Registry dates
- Enumerated
- 2011-06-08
- Last updated
- 2024-05-22
- Certified
- 2024-05-22
Frequently asked questions
- What is Lauren Sundheimer's NPI number?
- Lauren Sundheimer's National Provider Identifier (NPI) is 1891089785, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Sundheimer's specialty?
- Lauren Sundheimer is listed in the NPPES registry with a primary specialty of Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Sundheimer located?
- Lauren Sundheimer's practice location on file with NPPES is 4321 Birch St Ste 100, Newport Beach, CA 92660-1940.
- What is Lauren Sundheimer's phone number?
- The practice phone number listed in the NPPES registry for Lauren Sundheimer is (949) 432-7438.
- Is Lauren Sundheimer's NPI active?
- Yes — Lauren Sundheimer's NPI (1891089785) is active in the NPPES registry as of the last update on 2024-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.