Marissa Pierce, FNP
NPI 1841749595 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Pierce, FNP is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1841749595).
Provider details
- NPI number
- 1841749595
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 825617 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 115 | 47 |
| Atorvastatin Calcium | 105 | 36 |
| Levothyroxine Sodium | 81 | 37 |
| Omeprazole | 70 | 27 |
| Metformin Hcl | 63 | 26 |
| Montelukast Sodium | 56 | 20 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$441 across 24 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
Registry dates
- Enumerated
- 2016-09-22
- Last updated
- 2017-05-02
Frequently asked questions
- What is Marissa Pierce's NPI number?
- Marissa Pierce's National Provider Identifier (NPI) is 1841749595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Pierce's specialty?
- Marissa Pierce is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Pierce located?
- Marissa Pierce's practice location on file with NPPES is 20306 Encino Ledge, San Antonio, TX 78259-1831.
- What is Marissa Pierce's phone number?
- The practice phone number listed in the NPPES registry for Marissa Pierce is (210) 404-0127.
- Does Marissa Pierce accept Medicare?
- Marissa Pierce is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Pierce's NPI active?
- Yes — Marissa Pierce's NPI (1841749595) is active in the NPPES registry as of the last update on 2017-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.