William Holland, DO
NPI 1174715999 · Internal Medicine Physician · Amarillo, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Holland, DO is a Internal Medicine Physician provider in Amarillo, TX (NPI 1174715999).
Provider details
- NPI number
- 1174715999
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- N1347 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,302 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) |
|---|---|---|
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 1,417 | $55 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 963 | $24 |
| Management of Oxygen Chamber Therapy99183 | 361 | $100 |
| Removal of Muscle And/Or Tissue, 20.0 Sq Cm Or Less11043 | 244 | $145 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 239 | $93 |
| Removal of Tissue From Wound, 20.0 Sq Cm Or Less97597 | 211 | $34 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ciprofloxacin Hcl | 405 | 211 |
| Doxycycline Hyclate | 379 | 201 |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 219 | 35 |
| Daptomycin | 204 | 33 |
| Mupirocin | 201 | 146 |
| Ertapenem Sodiumbrand: Ertapenem | 178 | 29 |
| Gentamicin Sulfate | 112 | 50 |
| Meropenem | 56 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$746 across 26 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 (1)
- 1600 Wallace BlvdAmarillo, TX 79106-1799Phone: (806) 212-2129Fax: (806) 212-2246
Registry dates
- Enumerated
- 2007-08-15
- Last updated
- 2019-06-03
Frequently asked questions
- What is William Holland's NPI number?
- William Holland's National Provider Identifier (NPI) is 1174715999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Holland's specialty?
- William Holland is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Holland located?
- William Holland's practice location on file with NPPES is 1000 S Coulter St, Amarillo, TX 79106-1781.
- What is William Holland's phone number?
- The practice phone number listed in the NPPES registry for William Holland is (806) 212-4700.
- Does William Holland accept Medicare?
- William Holland is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Holland's NPI active?
- Yes — William Holland's NPI (1174715999) is active in the NPPES registry as of the last update on 2019-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.