Halliday Mcdonald, M.D.
NPI 1285835603 · Dermatology Physician · West Lake Hills, TX
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Halliday Mcdonald, M.D. is a Dermatology Physician provider in West Lake Hills, TX (NPI 1285835603).
Provider details
- NPI number
- 1285835603
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- M8173 (TX)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,049 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 517 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 481 | $128 |
| Biopsy of Related Skin Growth, First Growth11102 | 306 | $94 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 239 | $48 |
| Destruction of Skin Growth, 1-14 Growths17110 | 103 | $113 |
| Biopsy of Related Skin Growth, Each Additional Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 118 | 67 |
| Triamcinolone Acetonide | 74 | 59 |
| Valacyclovir Hclbrand: Valacyclovir | 41 | 13 |
| Mupirocin | 38 | 32 |
| Clobetasol Propionate | 27 | — |
| Betamethasone Dipropionate | 22 | 16 |
| Hydrocortisone | 18 | 16 |
| Doxycycline Hyclate | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 1 record (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
Registry dates
- Enumerated
- 2007-05-31
- Last updated
- 2022-06-27
- Certified
- 2022-06-27
Frequently asked questions
- What is Halliday Mcdonald's NPI number?
- Halliday Mcdonald's National Provider Identifier (NPI) is 1285835603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Halliday Mcdonald's specialty?
- Halliday Mcdonald is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Halliday Mcdonald located?
- Halliday Mcdonald's practice location on file with NPPES is 102 Westlake Dr Ste 103, West Lake Hills, TX 78746-5373.
- What is Halliday Mcdonald's phone number?
- The practice phone number listed in the NPPES registry for Halliday Mcdonald is (512) 327-7779.
- Does Halliday Mcdonald accept Medicare?
- Halliday Mcdonald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Halliday Mcdonald's NPI active?
- Yes — Halliday Mcdonald's NPI (1285835603) is active in the NPPES registry as of the last update on 2022-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.