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Alex Schaerer

Physician Assistant β€’ La Mesa, CA

Active NPI 1568207173 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

5555 Grossmont Center Dr
La Mesa, CA 919423019

Call 6197406000 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

5555 Grossmont Center Dr

La Mesa, CA 919423019

Telephone 6197406000
Organization at the Same NPPES Address or Phone
Cancer Center Oncology Medical Group, Inc - East County Facility NPI 1497737183

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Clinic Services Of California Medical Group Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2024

Open Payments general payments, program year 2025

All general payments: $218.99 across 3 records.

By nature of payment

  • Food and Beverage: $218.99 across 3 records.

Reporting-company totals

  • Edwards Lifesciences Corporation: $183.77 across 1 record.
  • Chiesi USA, Inc.: $18.62 across 1 record.
  • ABBVIE INC.: $16.60 across 1 record.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

2 years (graduated 2024)

CMS Doctors and Clinicians data list 2024 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2024

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, β€œDoes your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Alex Schaerer has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Alex Schaerer as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in La Mesa and California

57 active clinicians are listed under Physician Assistant with a practice address in La Mesa, CA (14,458 in California).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in La Mesa

21.1% of these 57 clinicians have the CMS telehealth indicator.

56.1% of these 57 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo Β· Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments Β· Program Year 2025

Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $218.99.

Manufacturer Payment Nature Product Type Amount ($)
Edwards Lifesciences Corporation
Food and Beverage
In-kind items and services
EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) General $183.77
Chiesi USA, Inc.
Food and Beverage
Cash or cash equivalent
CLEVIPREX General $18.62
ABBVIE INC.
Food and Beverage
In-kind items and services
TEFLARO General $16.60

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2024-12-12
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

License # reported to NPPES CA PA65343

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Medical Board of California.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PHYSICIAN ASSISTANT

Medicare Enrollment ID

I20250114000985

Enrollment State Jurisdiction

CA

PECOS Control ID

8224566542

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Clinic Services Of California Medical Group Inc

8851 Ctr Dr, La Mesa, CA 919423061

Phone: 6197405724

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

26 listed
Dr. Christa Arefieva , MD

Emergency Medicine

NPI 1033776075

Doctor of Medicine (M.D.)

NPI 1194204297

Family Nurse Practitioner (Certified)

Dr. Andre Boustani , MD

Emergency Medicine

NPI 1386938397

Doctor of Medicine (M.D.)

NPI 1821653262

Doctor of Medicine (M.D.)

Hailey Cougher

Physician Assistant

NPI 1942874052
Ashley Erazo , PA-C

Physician Assistant

NPI 1588128177

Physician Assistant (Certified)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

9 Historical Events
πŸ“
Updated Practice Location December 12, 2024

Registered at 5555 GROSSMONT CENTER DR, LA MESA, CA 919423019 (Tel: 6197406000)

πŸ“
Updated Business Mailing Address December 12, 2024

Registered at 5555 GROSSMONT CENTER DR, LA MESA, CA 919423019

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) December 12, 2024

Physician Assistant (license number reported to NPPES: CA PA65343)

βœ…
NPI Profile Active June 26, 2024

NPI status registered as active in NPPES database

πŸ“
Practice Location (Initial Record) June 26, 2024

Registered at 600 FORBES AVE, PITTSBURGH, PA 152193016 (Tel: 4123966000)

πŸ“
Business Mailing Address (Initial Record) June 26, 2024

Registered at 600 FORBES AVE, PITTSBURGH, PA 152193016

πŸ‘€
Provider Name / Credentials (Initial Record) June 26, 2024

Recorded as ALEX SCHAERER

πŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) June 26, 2024

Student in an Organized Health Care Education/Training Program

🟒
Initial NPI Registration & Enumeration June 26, 2024

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1568207173
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 26, 2024
Last Update: December 12, 2024
Sole Proprietor: No

Other Physician Assistants in La Mesa

All Physician Assistants in La Mesa

Mailing Address

5555 Grossmont Center Dr

La Mesa, CA 919423019

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.