Marissa Johnson, PA-C
NPI 1629474028 · Physician Assistant · Austin, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Johnson, PA-C is a Physician Assistant provider in Austin, TX (NPI 1629474028).
Provider details
- NPI number
- 1629474028
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 288 | 115 |
| Cyclobenzaprine Hcl | 100 | 26 |
| Duloxetine Hcl | 94 | 26 |
| Tizanidine Hcl | 88 | 25 |
| Diclofenac Sodium | 74 | 29 |
| Methocarbamol | 65 | 24 |
| Meloxicam | 48 | 15 |
| Chlorzoxazone | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,544 across 87 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3613 Williams Dr Ste 802Georgetown, TX 78628-1374Phone: (512) 467-7246Fax: (512) 467-7247
Registry dates
- Enumerated
- 2014-11-12
- Last updated
- 2025-11-26
- Certified
- 2025-11-26
Frequently asked questions
- What is Marissa Johnson's NPI number?
- Marissa Johnson's National Provider Identifier (NPI) is 1629474028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Johnson's specialty?
- Marissa Johnson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Johnson located?
- Marissa Johnson's practice location on file with NPPES is 8015 Shoal Creek Blvd Ste 103, Austin, TX 78757-8051.
- What is Marissa Johnson's phone number?
- The practice phone number listed in the NPPES registry for Marissa Johnson is (512) 467-7246.
- Does Marissa Johnson accept Medicare?
- Marissa Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Johnson's NPI active?
- Yes — Marissa Johnson's NPI (1629474028) is active in the NPPES registry as of the last update on 2025-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.