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

ISAAC TROUT TULLIS PA
NPI 1326903824
Physician Assistant in Modesto, CA

Active since December 17, 2025PECOS EnrolledAccepts Medicare Assignment
1409 E BRIGGSMORE AVE, MODESTO, CA 95355(209) 544-6088 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Isaac Trout Tullis Pa NPPES

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

ISAAC TROUT TULLIS PA (NPI 1326903824) is an individual physician assistant in Modesto, California, licensed in California (PA67721) and active in the NPI registry since December 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1326903824
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameISAAC TROUT TULLISCredential: PA
Location Address1409 E BRIGGSMORE AVEModesto, CA 95355-2707
Mailing AddressPo Box 255228Sacramento, CA 95865-5228
Phone(209) 544-6088
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateDecember 17, 2025
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1326903824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA67721
Definition
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.
1409 E BRIGGSMORE AVE, Modesto, CA 95355
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Isaac Trout Tullis Pa 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 ID2163990078
PECOS Enrollment IDI20260508002972
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95355 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
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.

SULMAN RAZZAQ
Internal Medicine (Interventional Cardiology)
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 550-4750
ANJANI DURGA GOLIVE M.D.
Internal Medicine (Cardiovascular Disease)
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 550-4750
JOSE DELEON
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 521-6097
MORGAN ELIZABETH SPERRY
Physician Assistant
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 550-4740
DR. TESSA LYNN REISINGER MD
Obstetrics & Gynecology
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 550-4720
GERALD LEROY MCKINSEY P.A-C
Physician Assistant
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 524-1211
AMBRISH SINGH GHUMMAN M.D.
Internal Medicine (Gastroenterology)
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 524-1211
TODD C SMITH M.D.
Orthopaedic Surgery (Hand Surgery)
1409 E BRIGGSMORE AVE
MODESTO, CA 95355
Stanislaus County (209) 550-4725

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 Isaac Tullis's NPI number?

The NPI number for Isaac Tullis is 1326903824. It was assigned to this individual provider in the NPPES registry on December 17, 2025.

Where is Isaac Tullis located?

Isaac Tullis practices at 1409 E Briggsmore Ave, Modesto, CA 95355. The listed phone number is (209) 544-6088.

What is Isaac Tullis's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Isaac Tullis enrolled in Medicare?

Yes. Isaac Tullis 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.

When was this NPI record last updated?

The NPPES record for Isaac Tullis was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.