Karen Muschler, D.O.
NPI 1538690359 · Emergency Medicine Physician · Fort Sam Houston, TX
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Muschler, D.O. is a Emergency Medicine Physician provider in Fort Sam Houston, TX (NPI 1538690359).
Provider details
- NPI number
- 1538690359
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- DR.0068872 (CO)
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1391 Speer BlvdDenver, CO 80204-2508Phone: (303) 389-1100
Registry dates
- Enumerated
- 2017-03-23
- Last updated
- 2025-10-06
- Certified
- 2025-10-06
Frequently asked questions
- What is Karen Muschler's NPI number?
- Karen Muschler's National Provider Identifier (NPI) is 1538690359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Muschler's specialty?
- Karen Muschler is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Muschler located?
- Karen Muschler's practice location on file with NPPES is 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234-4504.
- What is Karen Muschler's phone number?
- The practice phone number listed in the NPPES registry for Karen Muschler is (210) 916-7595.
- Does Karen Muschler accept Medicare?
- Karen Muschler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Muschler's NPI active?
- Yes — Karen Muschler's NPI (1538690359) is active in the NPPES registry as of the last update on 2025-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.