William Littlejohn, D.M.D., MD
NPI 1255543161 · Oral and Maxillofacial Surgery (Dentist) · Decatur, AL
Enrolled with Medicare as Order and Referring Only - Maxillofacial Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Littlejohn, D.M.D., MD is a Oral and Maxillofacial Surgery (Dentist) provider in Decatur, AL (NPI 1255543161).
Provider details
- NPI number
- 1255543161
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- D.M.D., MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4307 (AL)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 381 | 307 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 273 | 244 |
| Ibuprofen | 159 | 139 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 18 |
| Clindamycin Hcl | 17 | 14 |
| Ondansetronbrand: Ondansetron Odt | 17 | 15 |
| Promethazine Hcl | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$234 across 3 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
- 2007-05-04
- Last updated
- 2012-01-05
Frequently asked questions
- What is William Littlejohn's NPI number?
- William Littlejohn's National Provider Identifier (NPI) is 1255543161, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Littlejohn's specialty?
- William Littlejohn is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is William Littlejohn located?
- William Littlejohn's practice location on file with NPPES is 2023 Danville Park Dr Sw, Decatur, AL 35603-1833.
- What is William Littlejohn's phone number?
- The practice phone number listed in the NPPES registry for William Littlejohn is (256) 355-8224.
- Does William Littlejohn accept Medicare?
- William Littlejohn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Littlejohn's NPI active?
- Yes — William Littlejohn's NPI (1255543161) is active in the NPPES registry as of the last update on 2012-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.