David Williamson, MD
NPI 1164447389 · Emergency Medicine Physician · Sylacauga, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Williamson, MD is a Emergency Medicine Physician provider in Sylacauga, AL (NPI 1164447389).
Provider details
- NPI number
- 1164447389
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14007 (AL)
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
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
438 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 169 | $110 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 144 | $159 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 74 | $7 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 26 | $65 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 13 | $38 |
| Critical Care, First 30-74 Minutes99291 | 12 | $194 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 105 | 100 |
| Azithromycin | 56 | 56 |
| Tramadol Hcl | 37 | 34 |
| Methylprednisolone | 35 | 34 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 35 | 35 |
| Ondansetronbrand: Ondansetron Odt | 34 | 33 |
| Sulfamethoxazole/Trimethoprim |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 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
- 2006-07-12
- Last updated
- 2023-02-06
- Certified
- 2023-02-06
Frequently asked questions
- What is David Williamson's NPI number?
- David Williamson's National Provider Identifier (NPI) is 1164447389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Williamson's specialty?
- David Williamson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Williamson located?
- David Williamson's practice location on file with NPPES is 315 W Hickory St, Sylacauga, AL 35150-2913.
- What is David Williamson's phone number?
- The practice phone number listed in the NPPES registry for David Williamson is (256) 249-5700.
- Does David Williamson accept Medicare?
- David Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Williamson's NPI active?
- Yes — David Williamson's NPI (1164447389) is active in the NPPES registry as of the last update on 2023-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.