Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALYSSA MATHEW-JOSEPH DO
NPI 1194303750
Pathology - Anatomic Pathology & Clinical Pathology in Santa Maria, CA

Active since April 01, 2021PECOS EnrolledAccepts Medicare Assignment
1414 E MAIN ST STE 102, SANTA MARIA, CA 93454(805) 548-1550 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2026, Mar 20, 2026, Apr 15, 2021 and 1 more (4 updates tracked since 2021).

About Dr. Alyssa Mathew-joseph Do NPPES

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

DR. ALYSSA MATHEW-JOSEPH DO (NPI 1194303750) is an individual anatomic pathology & clinical pathology provider in Santa Maria, California, licensed in California (20A22492) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2026).

NPPES Registry Identity

NPI1194303750
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. ALYSSA MATHEW-JOSEPHCredential: DO
Location Address1414 E MAIN ST STE 102Santa Maria, CA 93454-4813
Mailing Address1414 E Main St Ste 102Santa Maria, CA 93454-4813
Sole ProprietorNo
Medical School CMSOtherGraduated 2026
Enumeration DateApril 1, 2021
Last NPPES UpdateSeptember 9, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1194303750 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 · 20A22492
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.
1414 E MAIN ST STE 102, Santa Maria, CA 93454

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. Alyssa Mathew-joseph Do 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 ID1759855372
PECOS Enrollment IDI20260706001971
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

2

Medicare enrollment records show Alyssa Mathew-joseph reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anatomic Pathology & Clinical Pathology
1400 E CHURCH ST
Santa Maria, CA 93454
  • Reassigned Medicare billing, California enrollment
  • 18 clinicians in this Medicare group
Gastroenterology
1311 S MILLER ST, 100
Santa Maria, CA 93454
  • Reassigned Medicare billing, California enrollment
  • 29 clinicians in this Medicare group

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 93454 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
$139.99 typical visit price
range $62.01 – $184.40
Typical copayment $34.99 (range $15.50 – $46.10)
Most-billed visit code 99204
Established Patient
$108.26 typical visit price
range $20.60 – $151.20
Typical copayment $27.06 (range $5.15 – $37.80)
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.

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 Alyssa Mathew-joseph's NPI number?

The NPI number for Alyssa Mathew-joseph is 1194303750. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Where is Alyssa Mathew-joseph located?

Alyssa Mathew-joseph practices at 1414 E Main St Ste 102, Santa Maria, CA 93454. The listed phone number is (805) 548-1550.

What is Alyssa Mathew-joseph's specialty?

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

Is Alyssa Mathew-joseph enrolled in Medicare?

Yes. Alyssa Mathew-joseph 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 organizations bill Medicare for Alyssa Mathew-joseph's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Mathew-joseph reassigns Medicare benefits to 2 organizations: Diagnostic Pathology Services Of The Central Coast (Santa Maria, CA) and Santa Maria Gastroenterology Medical Group Inc. (Santa Maria, CA). Each 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 Alyssa Mathew-joseph'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 Alyssa Mathew-joseph was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days 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.