William J. Weirs, MD
Allergy Physician · North Charleston, SC
William J. Weirs, MD is an allergy physician with a practice address in North Charleston, South Carolina, and NPI 1235174012, issued on Jun 17, 2006. Check the license (South Carolina 34694, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William J. Weirs
- Credential
- MD
- Primary taxonomy
- Allergy Physician 207KA0200X
- License numbers
- 34694 SC
55996 GA
Self-reported in NPPES; status is on the state search - Practice location
- 7510 Northforest Dr, North Charleston, SC 29420
- Phone
- (843) 572-1600
- Enumerated
- Jun 17, 2006
- Record last updated
- Sep 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (843) 572-1795
- Medicaid IDs
- 122225872B GA
4047309 TN
057443724E GA
057443724D GA - Entity
- Type 1 · individual
8 nearest allergy physician records → All 12 in South Carolina → Look up another NPI →
Verify William J. Weirs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 34694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average allergy physician in 2024
284 Medicare Part D claims for 65 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Nystatin46 claims
- Liothyronine Sodium30 claims
- Armour Thyroid26 claims
- Fluconazole21 claims
- Levothyroxine Sodium15 claims
- Np Thyroid14 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.
William J. Weirs among 12 allergy physician records in South Carolina
William J. Weirs, MD is one of 12 allergy physician records with a practice address in South Carolina. 75% 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 58% of them.
- NPI issued2006 · 58% of these records are older, 17% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2014 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207KA0200X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy Physician providers in South Carolina
There are 12 allergy physician records in South Carolina.
All 12 in South Carolina → Every provider in North Charleston → Allergy Physician nationwide →
The 8 allergy physician records with the nearest ZIP codes
- Ari Zelig, M.D.Charleston, SC 294141740555952
- Marvin Portner, M.D.Mount Pleasant, SC 294661356366793
- Mark Schecker, M.D.Myrtle Beach, SC 295881023014057
- Fred Leffert, M.D.Greenville, SC 296011073691580
- Candace Cothran, PAGreenville, SC 296071679574370
- Shanna Cowan, MS PACGreenville, SC 296071154317097
- Neil Kao, MDGreenville, SC 296071720089477
- Angelina Lombardi, M.D.Greenville, SC 296071487645107
Common questions
What is William J. Weirs, MD's NPI number?
William J. Weirs, MD's National Provider Identifier (NPI) is 1235174012, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Weirs, MD located?
The NPPES record lists a practice address at 7510 Northforest Dr, North Charleston, SC, 29420. Phone: (843) 572-1600. Providers update this record themselves, so call before visiting.
How can I verify William J. Weirs, MD's license?
NPPES lists South Carolina license number 34694, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William J. Weirs, MD prescribe under Medicare Part D?
In 2024, William J. Weirs, MD had 284 Medicare Part D claims for 65 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.
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.