William Larry Davidson, MD
Allergy & Immunology Physician · Daphne, AL
William Larry Davidson, MD is an allergy & immunology physician with a practice address in Daphne, Alabama, and NPI 1578583191, issued on Jul 19, 2006. Check the license (Alabama 27233, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Larry Davidson
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 27233 AL
Self-reported in NPPES; status is on the state search - Practice location
- 8725 County Road 64, Daphne, AL 36526
- Phone
- (251) 625-1370
- Enumerated
- Jul 19, 2006
- Record last updated
- Jun 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (251) 625-1380
- Medicaid IDs
- 220933 AL
221413 AL
212916 AL
213237 AL - Medicare enrollment
- Enrolled (PECOS I20060410000656); accepts Medicare assignment
- Medical or professional school
- University Of South Alabama College Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 27 in Alabama → Look up another NPI →
Also registered at 8725 County Road 64
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Barker, M.D.Allergy & Immunology Physician1629268263
- Daniel Gardner, FNPFamily Nurse Practitioner1275913279
Verify William Larry Davidson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 27233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,245 Medicare Part D claims for 237 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Albuterol Sulfate Hfa99 claims
- Trelegy Ellipta94 claims
- Prednisone85 claims
- Montelukast Sodium77 claims
- Dupixent Pen58 claims
- Levocetirizine Dihydrochloride56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 69.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,751.30
129 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pulmonary Associates OF Mobile PCMobile, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Larry Davidson among 27 allergy & immunology physician records in Alabama
William Larry Davidson, MD is one of 27 allergy & immunology physician records with a practice address in Alabama. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 26% of them.
- NPI issued2006 · 26% of these records are older, 37% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2001 · median 1998 among the 20 with a school on file
- Record last updated2019 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Alabama
There are 27 allergy & immunology physician records in Alabama.
All 27 in Alabama → Every provider in Daphne → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Karen Barker, M.D.Daphne, AL 365261629268263
- Michael Gates, M.D.Mobile, AL 366081801054754
- Lawrence Sindel, MDMobile, AL 366081760464044
- Mark Kalenian, M.D.Dothan, AL 363031972504397
- Robert Grubbe, M.D.Oxford, AL 362031457346140
- David Frazer, M.D.Montgomery, AL 361111710089503
- David Frazer, M.DMontgomery, AL 361111730140617
- Margaret Jakes, M.DMontgomery, AL 361111154381598
Common questions
What is William Larry Davidson, MD's NPI number?
William Larry Davidson, MD's National Provider Identifier (NPI) is 1578583191, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Larry Davidson, MD located?
The NPPES record lists a practice address at 8725 County Road 64, Daphne, AL, 36526. Phone: (251) 625-1370. Providers update this record themselves, so call before visiting.
How can I verify William Larry Davidson, MD's license?
NPPES lists Alabama license number 27233, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Larry Davidson, MD prescribe under Medicare Part D?
In 2024, William Larry Davidson, MD had 1,245 Medicare Part D claims for 237 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is William Larry Davidson, MD's MIPS final score?
The 2023 MIPS final score is 69.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.