HAILEE ST. LOUIS
NPI 1740869585
Pathology - Anatomic Pathology & Clinical Pathology in San Diego, CA

Q: What is Hailee St. Louis's NPI number?

The NPI number for Hailee St. Louis is 1740869585. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Q: What is Hailee St. Louis's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Hailee St. Louis was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 April 07, 2021PECOS EnrolledAccepts Medicare Assignment

200 W ARBOR DR # 7723, SAN DIEGO, CA 92103(313) 330-0121 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 4, 2026, Sep 24, 2024, Apr 15, 2021 and 1 more (4 updates tracked since 2021).

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About Hailee St. Louis NPPES

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

HAILEE ST. LOUIS (NPI 1740869585) is an individual anatomic pathology & clinical pathology provider in San Diego, California, licensed in California (192111) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Western Michigan Un Homer Stryker School Of Med (2021).

NPPES Registry Identity

NPI1740869585

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameHAILEE ST. LOUIS

Location Address200 W ARBOR DR # 7723San Diego, CA 92103-1911

Mailing Address200 W Arbor Dr # 7723San Diego, CA 92103-1911 · (858) 657-6772

Phone(313) 330-0121

Sole ProprietorNo

Medical School CMSWestern Michigan Un Homer Stryker School Of MedGraduated 2021

Enumeration DateApril 7, 2021

Last NPPES UpdateFebruary 4, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 4, 2026

✔ NPI 1740869585 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · 192111

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

200 W ARBOR DR # 7723, San Diego, CA 92103

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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

Hailee St. Louis 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 ID9739651779

PECOS Enrollment IDI20260610004084

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 Hailee St. Louis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pathology Sciences Medical Group

548 mi

Anatomic Pathology & Clinical Pathology

183 E 8TH AVE
Chico, CA 95926

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

NPI 1497705537 (530) 891-6244

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 92103 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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

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

FOROUGH SARGOLZAEIAVAL MD

Student in an Organized Health Care Education/Training Program

200 W ARBOR DR # 7723
SAN DIEGO, CA 92103

San Diego County (206) 698-2430

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 Hailee St. Louis's NPI number?

The NPI number for Hailee St. Louis is 1740869585. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is Hailee St. Louis located?

Hailee St. Louis practices at 200 W Arbor Dr # 7723, San Diego, CA 92103. The listed phone number is (313) 330-0121.

What is Hailee St. Louis's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Hailee St. Louis enrolled in Medicare?

Yes. Hailee St. Louis 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 Hailee St. Louis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hailee St. Louis reassigns Medicare benefits to Pathology Sciences Medical Group (Chico, 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 Hailee St. Louis'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 Hailee St. Louis was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.