Registry data as of Aug 27, 2026

William Rotzler, M.D.

Specialist · Longview, TX

William Rotzler, M.D. is a specialist with a practice address in Longview, Texas, and NPI 1275599342, issued on Apr 26, 2006. Check the license (Texas G5557, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1275599342
Name
William Rotzler
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G5557 TX
Self-reported in NPPES; status is on the state search
Practice location
705 E Marshall Ave, Longview, TX 75601
Phone
(903) 236-3035
Enumerated
Apr 26, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 705 E Marshall Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kayla Bryant, AGACNP-BCNurse Practitioner1265279434
  2. James Dozier, MDObstetrics & Gynecology Physician1457533101
  3. Rebecca Hough, MDSpecialist1891773040
  4. Sheli Kipp, NPWomen's Health Clinical Nurse Specialist1396704748
  5. Louis Kirk, MDObstetrics & Gynecology Physician1356318042
  6. Leigh Klein, WHNPObstetrics & Gynecology Nurse Practitioner1487981452

Verify William Rotzler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license G5557    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

93% fewer Medicare Part D claims than the average specialist in 2024

109 Medicare Part D claims for 52 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. William Rotzler109
  2. Specialty average1,524

Most prescribed

  1. Ipratropium Bromide24 claims
  2. Montelukast Sodium16 claims
  3. Levocetirizine Dihydrochloride11 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.

Specialist providers in Texas

There are 2,380 specialist records in Texas.

All 2,380 in Texas → Every provider in Longview →

Other specialist records in Texas

  1. Beverly AbbottLongview, TX1164724522
  2. Magdy Abdelsayed, M.D.Baytown, TX1376634857
  3. Robin Abels, OTRCarrollton, TX1972660025
  4. Amr Abouleish, M.D.Galveston, TX1083604193
  5. Paul Abrell, ATC, LEl Paso, TX1881668200
  6. Danielle AchAustin, TX1538655030
  7. Daniel Acosta, M.D.Corpus Christi, TX1275539405
  8. Patricia Acosta, PHYSICAL THERAPISTEl Paso, TX1306953062
  9. Donald Adams, M.D.San Antonio, TX1417033564
  10. William Adams, M.D.Dallas, TX1134153497

Common questions

What is William Rotzler, M.D.'s NPI number?

William Rotzler, M.D.'s National Provider Identifier (NPI) is 1275599342, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Rotzler, M.D. located?

The NPPES record lists a practice address at 705 E Marshall Ave, Longview, TX, 75601. Phone: (903) 236-3035. Providers update this record themselves, so call before visiting.

How can I verify William Rotzler, M.D.'s license?

NPPES lists Texas license number G5557, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does William Rotzler, M.D. prescribe under Medicare Part D?

In 2024, William Rotzler, M.D. had 109 Medicare Part D claims for 52 beneficiaries; the average among specialist prescribers was 1,524. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.