William Macklin, M.D., FACS
NPI 1972690584 · Specialist · Alexandria, LA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Macklin, M.D., FACS is a Specialist provider in Alexandria, LA (NPI 1972690584).
Provider details
- NPI number
- 1972690584
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D., FACS
- Sex
- Male
- Sole proprietor
- No
- License
- 15241R (LA)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
585 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 299 | $118 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 177 | $169 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 52 | $69 |
| Critical Care, First 30-74 Minutes99291 | 40 | $206 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 17 | $8 |
Typical Medicare-allowed amounts for these services range $8–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 83 | 83 |
| Ketorolac Tromethamine | 66 | 66 |
| Cephalexin | 45 | 44 |
| Doxycycline Hyclate | 39 | 38 |
| Famotidine | 39 | 39 |
| Sucralfate | 38 | 38 |
| Cyclobenzaprine Hcl | 34 | 34 |
| Prednisone | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2008-12-30
Frequently asked questions
- What is William Macklin's NPI number?
- William Macklin's National Provider Identifier (NPI) is 1972690584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Macklin's specialty?
- William Macklin is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Macklin located?
- William Macklin's practice location on file with NPPES is 3311 Prescott Rd, Alexandria, LA 71301-3900.
- What is William Macklin's phone number?
- The practice phone number listed in the NPPES registry for William Macklin is (318) 484-2667.
- Does William Macklin accept Medicare?
- William Macklin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Macklin's NPI active?
- Yes — William Macklin's NPI (1972690584) is active in the NPPES registry as of the last update on 2008-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.