Stephanie Mergen
NPI 1588227979 · Critical Care Medicine (Internal Medicine) Physician · Jbsa Ft Sam Houston, TX
Enrolled with Medicare as Order and Referring Only - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Mergen is a Critical Care Medicine (Internal Medicine) Physician provider in Jbsa Ft Sam Houston, TX (NPI 1588227979).
Provider details
- NPI number
- 1588227979
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A177919 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-21
- Last updated
- 2024-07-19
- Certified
- 2024-07-19
Frequently asked questions
- What is Stephanie Mergen's NPI number?
- Stephanie Mergen's National Provider Identifier (NPI) is 1588227979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Mergen's specialty?
- Stephanie Mergen is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Mergen located?
- Stephanie Mergen's practice location on file with NPPES is 3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234-4504.
- What is Stephanie Mergen's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Mergen is (610) 574-0654.
- Does Stephanie Mergen accept Medicare?
- Stephanie Mergen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Mergen's NPI active?
- Yes — Stephanie Mergen's NPI (1588227979) is active in the NPPES registry as of the last update on 2024-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.