William Lujan, M.D.
NPI 1588644355 · Neurology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lujan, M.D. is a Neurology Physician provider in Tucson, AZ (NPI 1588644355).
Provider details
- NPI number
- 1588644355
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28363 (AZ)
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
20 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
1,569 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 681 | $122 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 337 | $158 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 201 | $90 |
| Measurement of Brain Wave Activity (eeg), 41-60 Minutes95812 | 193 | $330 |
| Nerve Conduction, 9-10 Studies95911 | 93 | $198 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 863 | 242 |
| Donepezil Hcl | 239 | 83 |
| Topiramate | 162 | 55 |
| Levetiracetam | 158 | 55 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 150 | 47 |
| Gabapentin | 144 | 47 |
| Lamotrigine | 105 | 27 |
| Sumatriptan Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,180 across 50 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
- 2006-01-18
- Last updated
- 2011-12-29
Frequently asked questions
- What is William Lujan's NPI number?
- William Lujan's National Provider Identifier (NPI) is 1588644355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lujan's specialty?
- William Lujan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is William Lujan located?
- William Lujan's practice location on file with NPPES is 6567 E Carondelet Dr Ste 305, Tucson, AZ 85710-2156.
- What is William Lujan's phone number?
- The practice phone number listed in the NPPES registry for William Lujan is (520) 881-8400.
- Does William Lujan accept Medicare?
- William Lujan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lujan's NPI active?
- Yes — William Lujan's NPI (1588644355) is active in the NPPES registry as of the last update on 2011-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.