William James Alexander, MD
Infectious Disease Physician · Cary, NC
William James Alexander, MD is an infectious disease physician with a practice address in Cary, North Carolina, and NPI 1356671283, issued on Dec 25, 2009. Check the license (North Carolina 34232, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- William James Alexander
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 34232 NC
Self-reported in NPPES; status is on the state search - Practice location
- 307 Whisperwood Dr, Cary, NC 27518
- Phone
- (919) 819-8976
- Enumerated
- Dec 25, 2009
- Record last updated
- Dec 25, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (919) 233-1092
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 287 in North Carolina → Look up another NPI →
Verify William James Alexander in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 34232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average infectious disease physician in 2024
18 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $36,100.00
15 payments; by number, the most common kind was consulting fee; the largest payer was Chiesi USA, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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.
William James Alexander among 287 infectious disease physician records in North Carolina
William James Alexander, MD is one of 287 infectious disease physician records with a practice address in North Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2009 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in North Carolina
There are 287 infectious disease physician records in North Carolina.
All 287 in North Carolina → Every provider in Cary → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Tessa Andermann, M.D.Chapel Hill, NC 275171912210147
- Elizabeth Arant, M.D.Chapel Hill, NC 275141760846000
- Mary Bowman, MDChapel Hill, NC 275141629039243
- Alexander CommandayChapel Hill, NC 275141891255519
- Zachery Greathouse, MDChapel Hill, NC 275141033797675
- Jonathan Juliano, M.D.Chapel Hill, NC 275141316159262
- Min Kim, M.D.Chapel Hill, NC 275141962850263
- Anne Lachiewicz, MDChapel Hill, NC 275141407017254
Common questions
What is William James Alexander, MD's NPI number?
William James Alexander, MD's National Provider Identifier (NPI) is 1356671283, issued on Dec 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is William James Alexander, MD located?
The NPPES record lists a practice address at 307 Whisperwood Dr, Cary, NC, 27518. Phone: (919) 819-8976. Providers update this record themselves, so call before visiting.
How can I verify William James Alexander, MD's license?
NPPES lists North Carolina license number 34232, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William James Alexander, MD prescribe under Medicare Part D?
In 2024, William James Alexander, MD had 18 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.