Alexandra Hahn Waldenmaier, MD
NPI 1871029207 · Surgical Critical Care Physician · Dallas, TX
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Hahn Waldenmaier, MD is a Surgical Critical Care Physician provider in Dallas, TX (NPI 1871029207).
Provider details
- NPI number
- 1871029207
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- BP10078047 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
402 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 166 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 74 | $127 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 65 | $48 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 47 | $112 |
| Critical Care, First 30-74 Minutes99291 | 34 | $202 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,425 across 14 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
Additional practice locations (2)
- 1230 Louisiana AveNew Orleans, LA 70115-2433Phone: (484) 888-6897
- 5200 Harry Hines BlvdDallas, TX 75235-7709Phone: (484) 888-6897
Registry dates
- Enumerated
- 2017-05-04
- Last updated
- 2023-11-01
- Certified
- 2023-11-01
Frequently asked questions
- What is Alexandra Hahn Waldenmaier's NPI number?
- Alexandra Hahn Waldenmaier's National Provider Identifier (NPI) is 1871029207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Hahn Waldenmaier's specialty?
- Alexandra Hahn Waldenmaier is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Alexandra Hahn Waldenmaier located?
- Alexandra Hahn Waldenmaier's practice location on file with NPPES is 8230 Walnut Hill Ln Ste 320, Dallas, TX 75231-4481.
- What is Alexandra Hahn Waldenmaier's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Hahn Waldenmaier is (214) 369-5432.
- Does Alexandra Hahn Waldenmaier accept Medicare?
- Alexandra Hahn Waldenmaier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Hahn Waldenmaier's NPI active?
- Yes — Alexandra Hahn Waldenmaier's NPI (1871029207) is active in the NPPES registry as of the last update on 2023-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.