Doctor profile · Federal record
Dr. William Davidson, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Allergy & Immunology (Internal Medicine) Physician · Daphne, AL
- NPI 1578583191
- Accepts Medicare
- MIPS 67.2 / 100 · 2023
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
8725 County Road 64
Daphne, AL 36526
(251) 625-1370
fax (251) 625-1380 - Additional location
-
100 Memorial Hospital Dr Ste 1A
Mobile, AL 366081128
(251) 343-6848
fax (251) 343-5708 - Additional location
-
2001 Spring Hill Ave
Mobile, AL 366073326
(251) 433-3344
fax (251) 433-4052 - Additional location
-
5955 Airport Blvd
Mobile, AL 366083135
(251) 633-0573
fax (251) 633-7367 - Mailing address
-
Po Box 7987
Mobile, AL 366700987
Show 1 more location
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 28, 2019
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- Alabama #27233
- Medicaid (5)
- AL #220933 · AL #221413 · AL #212916 · AL #213237 · AL #9998923
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578583191. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,369
Distinct HCPCS
10
Medicare allowed
$83,463
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 1,815 | 37 | $3 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 1,270 | 12 | $14 | |
95024 |
Test for allergy using allergenic extract injected into skin | 250 | 15 | $7 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 222 | 124 | $118 | |
96372 |
Injection of drug or substance under skin or into muscle | 201 | 29 | $13 | |
94200 |
Test to measure largest amount of air breathed in an out | 106 | 70 | $13 | |
94375 |
Test to measure rate of airflow | 106 | 70 | $34 | |
94664 |
Evaluation of use of breathing device | 87 | 56 | $15 | |
94729 |
Test to examine how well the lungs exchange gases | 83 | 60 | $50 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 72 | 72 | $154 |
In context: peer comparison
Among 1 peers in Daphne Allergy & Immunology Physician, average services per provider: 291. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$4,751
Transactions
123
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 22 | $1,899.19 | |
| AstraZeneca Pharmaceuticals Lp | 21 | $728.21 | |
| Regeneron Healthcare Solutions, INC. | 12 | $384.49 | |
| Genzyme Corporation | 14 | $327.26 | |
| Csl Behring | 8 | $274.15 | |
| Takeda Pharmaceuticals U.S.A., INC. | 9 | $262.85 | |
| Genentech USA, INC. | 10 | $223.71 | |
| Pfizer INC. | 5 | $92.37 | |
| Blueprint Medicines Corporation | 3 | $91.05 | |
| Optinose US, INC. | 4 | $82.17 | |
| Incyte Corporation | 4 | $79.98 | |
| Mylan Specialty L.P. | 5 | $75.40 | |
| BioCryst US Sales Co., LLC | 3 | $70.33 | |
| Grifols USA, LLC | 2 | $40.26 | |
| Amgen INC. | 1 | $27.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
618
Patients
203
Total drug cost
$434,332
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 81 | 45 | $2,105 |
| Montelukast Sodium | Generic | 66 | 27 | $1,378 |
| Famotidine | Generic | 60 | 17 | $808 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 56 | 18 | $51,401 |
| Prednisone | Generic | 55 | 39 | $195 |
| Dupixent Syringe (Dupilumab) | Brand | 50 | 0 | $189,152 |
| Levocetirizine Dihydrochloride | Generic | 43 | 0 | $382 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 36 | 15 | $27,168 |
| Dupixent Pen (Dupilumab) | Brand | 36 | 0 | $140,916 |
| Wixela Inhub (Fluticasone Propion/Salmeterol) | Brand | 29 | 0 | $7,051 |
Hospital affiliations
Frequently asked questions
What is Dr. William Davidson's medical specialty?
Dr. William Davidson practices Allergy & Immunology Physician in Daphne, AL.
Where does Dr. William Davidson practice?
Dr. William Davidson practices at 8725 County Road 64, Daphne, AL 36526. Office phone: 2516251370.
What is Dr. William Davidson's NPI?
Dr. William Davidson's National Provider Identifier (NPI) is 1578583191, issued by NPPES.
Does Dr. William Davidson accept Medicare assignment?
Yes. Dr. William Davidson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Davidson commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract injected into skin (HCPCS 95024). Source: CMS Medicare Physician & Other Practitioners file.