DR. LAUREN M SAKAI M.D.
NPI 1467773192
Surgery - Surgical Critical Care in Saint Louis, MO

Q: What is Lauren Sakai's NPI number?

The NPI number for Lauren Sakai is 1467773192. It was assigned to this individual provider in the NPPES registry on June 16, 2010. The provider is also known as Dr. Lauren Sappington M.D..

Q: What is Lauren Sakai's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Q: When was this NPI record last updated?

The NPPES record for Lauren Sakai was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.

Active since June 16, 2010PECOS EnrolledAccepts Medicare Assignment

621 S NEW BALLAS RD STE 560A, SAINT LOUIS, MO 63141(314) 251-6440 Get Directions Write a Review

NPPES record last updated: May 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 13, 2026, Dec 5, 2022 (2 updates tracked since 2022).

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About Dr. Lauren M Sakai M.d. NPPES

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

DR. LAUREN M SAKAI M.D. (NPI 1467773192) is an individual surgical critical care provider in Saint Louis, Missouri, licensed in Missouri (2018014422) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains a secondary practice location in O Fallon.

NPPES Registry Identity

NPI1467773192

Entity TypeIndividualFemale

Primary Taxonomy2086S0102X

Provider Legal NameDR. LAUREN M SAKAICredential: M.D.

Location Address621 S NEW BALLAS RD STE 560ASaint Louis, MO 63141-8261

Mailing Address621 S New Ballas Rd Ste 560aSaint Louis, MO 63141-8261

Phone(314) 251-6440

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2010

Enumeration DateJune 16, 2010

Last NPPES UpdateMay 13, 20262 updates tracked since enumeration

NPPES CertifiedMay 13, 2026

✔ NPI 1467773192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians

Taxonomy Code2086S0102X

Licenses✔ Licensed in MO · 2018014422✔ Licensed in IL · 036140496

Definition

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedSurgeryTaxonomy 208600000X · License 125057872 (IL)

621 S NEW BALLAS RD STE 560A, Saint Louis, MO 63141

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Other Names 1

Professional Name (2)Dr. Lauren Sappington M.d.

Secondary Practice Location 1

Location 15551 Winghaven Blvd Ste 250O Fallon, MO 63368-3630 · Phone (314) 434-1211 · Fax (314) 434-4419

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

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 M Sakai M.d. 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 ID7214231497

PECOS Enrollment IDI20180522001354

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 Reassignments

Medicare enrollment records show Lauren Sakai reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinic Trauma And General Surgery, LLC

Same address

Trauma Surgery

621 S NEW BALLAS RD, SUITE 560-A
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
49 clinicians in this Medicare group

NPI 1699825695 (314) 251-6440

Mercy Hospitals East Communities

1.5 mi

Clinic/Center

615 S NEW BALLAS RD
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
435 clinicians in this Medicare group

NPI 1851431738 (314) 251-6382

Physician Specialists Of St Lukes LLC

3.1 mi

Internal Medicine

232 S WOODS MILL RD
Chesterfield, MO 63017

Reassigned Medicare billing, Missouri enrollment
215 clinicians in this Medicare group

NPI 1235168410 (314) 434-1500

St. Lukes Medical Group

3.1 mi

Family Medicine

232 S WOODS MILL RD
Chesterfield, MO 63017

Reassigned Medicare billing, Missouri enrollment
16 clinicians in this Medicare group

NPI 1215308945 (636) 685-7804

Kern County Hospital Authority

1,587 mi

General Acute Care Hospital

1700 MOUNT VERNON AVENUE
Bakersfield, CA 93306

Reassigned Medicare billing, California enrollment
532 clinicians in this Medicare group

NPI 1376623538 (661) 326-2000

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

293 services92 patients

Removal of tissue from wound, 20.0 sq cm or less 97597

This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.

251 services70 patients

Removal of tissue from wound, each additional 20.0 sq cm 97598

This procedure involves the careful removal of damaged tissue from a wound, typically beyond an initial 20.0 sq cm. This is done to promote healing, prevent infection, and improve the function and appearance of the area surrounding the wound.

122 services18 patients

Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less 15271

This procedure involves applying a skin substitute graft to a wound on the trunk, arms, or legs. The graft, a lab-grown skin, is used to cover a wound area of 25.0 sq cm or less, within a total wound area of 100.0 sq cm or less. It aids in healing and regeneration.

94 services13 patients

Application of chemical to stop tissue regrowth in wound 17250

This procedure involves applying a special chemical to a wound to prevent unwanted tissue from growing back. It aids in proper healing by ensuring only healthy tissue regrows. It's a common, safe practice in wound care.

75 services31 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

43 services43 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260179

Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County

Emergency services Birthing friendly

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.

PAIGE NICOLE PONTICELLO MSN, FNP-C

Nurse Practitioner (Family)