William Charles Howland, MD
Allergy & Immunology Physician · Austin, TX
William Charles Howland, MD is an allergy & immunology physician with a practice address in Austin, Texas, and NPI 1770550535, issued on Mar 1, 2006. Check the license (Texas F9591, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Charles Howland
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- F9591 TX
Self-reported in NPPES; status is on the state search - Practice location
- 11645 Angus RD # A1, Austin, TX 78759
- Phone
- (512) 345-7635
- Enumerated
- Mar 1, 2006
- Record last updated
- Jul 21, 2022
- Medicaid ID
- 364764601 TX
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 327 in Texas → Look up another NPI →
Verify William Charles Howland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F9591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
26 Medicare Part D claims, against an average of 741 among the 2,899 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.
William Charles Howland among 327 allergy & immunology physician records in Texas
William Charles Howland, MD is one of 327 allergy & immunology physician records with a practice address in Texas. 83% 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 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2022 · 48% 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 Texas 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 Texas
There are 327 allergy & immunology physician records in Texas.
All 327 in Texas → Every provider in Austin → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Roger Harden, M.D.Austin, TX 787591760420582
- Allen Lieberman, MDAustin, TX 787591922075787
- Scott Oberhoff, M.D.Austin, TX 787581528250149
- Neha Reshamwala, M.D.Austin, TX 787581780874578
- Manda Hall, M.D.Austin, TX 787561417976788
- Anna George, MDWest Lake Hills, TX 787461710991906
- Ojas Patel, MDAustin, TX 787461205973583
- Eric Schultz, D.O.West Lake Hills, TX 787461578774980
Common questions
What is William Charles Howland, MD's NPI number?
William Charles Howland, MD's National Provider Identifier (NPI) is 1770550535, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Charles Howland, MD located?
The NPPES record lists a practice address at 11645 Angus RD # A1, Austin, TX, 78759. Phone: (512) 345-7635. Providers update this record themselves, so call before visiting.
How can I verify William Charles Howland, MD's license?
NPPES lists Texas license number F9591, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Charles Howland, MD prescribe under Medicare Part D?
In 2024, William Charles Howland, MD had 26 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. 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.