Doug Williams, PA
NPI 1033384011 · Medical Physician Assistant · Kailua, HI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Doug Williams, PA is a Medical Physician Assistant provider in Kailua, HI (NPI 1033384011).
Provider details
- NPI number
- 1033384011
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA15136 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,316 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 338 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 239 | $111 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 225 | $6 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 | 200 | $151 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 81 | $12 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 69 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Silver Sulfadiazinebrand: Ssd | 72 | 63 |
| Triamcinolone Acetonide | 59 | 36 |
| Hydrocortisone | 51 | 32 |
| Pentoxifylline | 45 | 23 |
| Cephalexin | 36 | 34 |
| Liothyronine Sodium | 34 | — |
| Ketoconazole | 32 | 21 |
| Ciprofloxacin Hcl | 27 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,312 across 46 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
Registry dates
- Enumerated
- 2008-04-29
- Last updated
- 2019-10-30
Frequently asked questions
- What is Doug Williams's NPI number?
- Doug Williams's National Provider Identifier (NPI) is 1033384011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doug Williams's specialty?
- Doug Williams is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Doug Williams located?
- Doug Williams's practice location on file with NPPES is 1051 Keolu Dr Ste 107, Kailua, HI 96734-3800.
- What is Doug Williams's phone number?
- The practice phone number listed in the NPPES registry for Doug Williams is (808) 263-3233.
- Does Doug Williams accept Medicare?
- Doug Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Doug Williams's NPI active?
- Yes — Doug Williams's NPI (1033384011) is active in the NPPES registry as of the last update on 2019-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.