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DR. LAUREN ELISABETH CALDEMEYER MD
NPI 1386221943
Internal Medicine in Los Angeles, CA

Active since March 28, 2021PECOS EnrolledAccepts Medicare Assignment
200 UCLA MEDICAL PLZ STE 420, LOS ANGELES, CA 90095(310) 206-6232 Get Directions Write a Review

NPPES record last updated: June 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 25, 2024, Mar 28, 2021 (2 updates tracked since 2021).

About Dr. Lauren Elisabeth Caldemeyer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LAUREN ELISABETH CALDEMEYER MD (NPI 1386221943) is an individual internal medicine provider in Los Angeles, California, licensed in California (A194360) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Tulane University School Of Medicine (2021).

NPPES Registry Identity

NPI1386221943
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LAUREN ELISABETH CALDEMEYERCredential: MD
Location Address200 UCLA MEDICAL PLZ STE 420Los Angeles, CA 90095-7419
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631 · (310) 301-8707
Phone(310) 206-6232
Sole ProprietorYes
Medical School CMSTulane University School Of MedicineGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateJune 25, 20242 updates tracked since enumeration
NPPES CertifiedJune 25, 2024
✔ NPI 1386221943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A194360
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
200 UCLA MEDICAL PLZ STE 420, Los Angeles, CA 90095
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lauren Elisabeth Caldemeyer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567804685
PECOS Enrollment IDI20240521002719
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lauren Caldemeyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Regents Of The University Of California
Same address
Internal Medicine
200 MEDICAL PLAZA, SUITE 365,530,420,250,120,214
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 1,766 clinicians in this Medicare group
NPI 1235107566 (310) 794-1276

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALEX NOVAK KOKALY MD, MHSA
Internal Medicine
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-4083
ESTHER HYO KANG MD
Internal Medicine
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6232
ALEXANDER TAN-HUY PHAM MD
Internal Medicine
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6232
DAUN CHUNG D.O.
Physical Medicine & Rehabilitation
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6232
DR. XIAOMENG DENG MD
Internal Medicine
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6232
ERICA JOANNE KIM MD
Internal Medicine
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6232
DR. NIOUSHA MOINI MD, MPH
Family Medicine
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 794-1878
DR. JACOB KNOX QUINTON M.D.
Internal Medicine
200 UCLA MEDICAL PLZ STE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6232

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lauren Caldemeyer's NPI number?

The NPI number for Lauren Caldemeyer is 1386221943. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Lauren Caldemeyer located?

Lauren Caldemeyer practices at 200 Ucla Medical Plz Ste 420, Los Angeles, CA 90095. The listed phone number is (310) 206-6232.

What is Lauren Caldemeyer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lauren Caldemeyer enrolled in Medicare?

Yes. Lauren Caldemeyer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Lauren Caldemeyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Caldemeyer reassigns Medicare benefits to The Regents Of The University Of California (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lauren Caldemeyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lauren Caldemeyer was last updated on June 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.