MARISSA JOHNSON PA-C
NPI 1629474028
Physician Assistant in Austin, TX

Q: What is Marissa Johnson's NPI number?

The NPI number for Marissa Johnson is 1629474028. It was assigned to this individual provider in the NPPES registry on November 12, 2014.

Q: What is Marissa Johnson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marissa Johnson was last updated on November 26, 2025. 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 November 12, 2014PECOS EnrolledAccepts Medicare Assignment

8015 SHOAL CREEK BLVD STE 103, AUSTIN, TX 78757(512) 467-7246(512) 467-7247 Get Directions Write a Review

NPPES record last updated: November 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 26, 2025, Apr 10, 2017 (2 updates tracked since 2017).

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About Marissa Johnson Pa-c NPPES

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

MARISSA JOHNSON PA-C (NPI 1629474028) is an individual physician assistant in Austin, Texas and active in the NPI registry since November 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Georgetown, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1629474028

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMARISSA JOHNSONCredential: PA-C

Location Address8015 SHOAL CREEK BLVD STE 103Austin, TX 78757-8051

Mailing Address7951 Shoal Creek Blvd Ste 300, Suite 201Austin, TX 78757-7582 · (512) 584-8404 · Fax (737) 377-0442

Phone(512) 467-7246

Fax(512) 467-7247

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateNovember 12, 2014

Last NPPES UpdateNovember 26, 20252 updates tracked since enumeration

NPPES CertifiedNovember 26, 2025

✔ NPI 1629474028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

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.

8015 SHOAL CREEK BLVD STE 103, Austin, TX 78757

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Secondary Practice Location 1

Location 13613 Williams Dr Ste 802Georgetown, TX 78628-1374 · Phone (512) 467-7246 · Fax (512) 467-7247

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

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

Marissa Johnson Pa-c 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 ID6709104375

PECOS Enrollment IDI20150410000145

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 78757 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

$89.03 typical visit price

range $57.88 – $174.00

Typical copayment $22.25 (range $14.47 – $43.50)

Most-billed visit code 99203

Established Patient

$71.95 typical visit price

range $18.88 – $142.23

Typical copayment $17.98 (range $4.72 – $35.55)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

62%94 patients3/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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Other Providers at the Same Location NPPES 17

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

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