Alexander Merk, DO
NPI 1437721735 · Internal Medicine Physician · Ft. Bliss, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Merk, DO is a Internal Medicine Physician provider in Ft. Bliss, TX (NPI 1437721735).
Provider details
- NPI number
- 1437721735
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 2775 (NE)
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
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
- 2021-07-15
- Last updated
- 2024-08-12
- Certified
- 2024-08-05
Frequently asked questions
- What is Alexander Merk's NPI number?
- Alexander Merk's National Provider Identifier (NPI) is 1437721735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Merk's specialty?
- Alexander Merk is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Merk located?
- Alexander Merk's practice location on file with NPPES is William Beaumont Army Medical Center, Ft. Bliss, TX 79934-4123.
- What is Alexander Merk's phone number?
- The practice phone number listed in the NPPES registry for Alexander Merk is (915) 742-2180.
- Does Alexander Merk accept Medicare?
- Alexander Merk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Merk's NPI active?
- Yes — Alexander Merk's NPI (1437721735) is active in the NPPES registry as of the last update on 2024-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.