Marissa Peyer, MD
NPI 1013666353 · Internal Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Peyer, MD is a Internal Medicine Physician provider in Dallas, TX (NPI 1013666353).
Provider details
- NPI number
- 1013666353
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 14 |
| Metoprolol Succinate | 21 | — |
| Apixabanbrand: Eliquis | 19 | — |
| Amlodipine Besylate | 17 | — |
| Furosemide | 16 | — |
| Pantoprazole Sodium | 16 | — |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-23
- Last updated
- 2025-07-03
- Certified
- 2025-07-03
Frequently asked questions
- What is Marissa Peyer's NPI number?
- Marissa Peyer's National Provider Identifier (NPI) is 1013666353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Peyer's specialty?
- Marissa Peyer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marissa Peyer located?
- Marissa Peyer's practice location on file with NPPES is 5200 Harry Hines Blvd, Dallas, TX 75235-7709.
- What is Marissa Peyer's phone number?
- The practice phone number listed in the NPPES registry for Marissa Peyer is (214) 590-8000.
- Does Marissa Peyer accept Medicare?
- Marissa Peyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Peyer's NPI active?
- Yes — Marissa Peyer's NPI (1013666353) is active in the NPPES registry as of the last update on 2025-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.