NPPES file of Aug 9, 2026

Zachary D. Wassmuth, M.D.

Otolaryngology Physician · Austin, TX

Zachary D. Wassmuth, M.D. is an otolaryngology physician with a practice address in Austin, Texas, and NPI 1972577534, issued on Feb 13, 2006. Check the license (Texas L5608, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972577534
Name
Zachary D. Wassmuth
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
L5608 TX
Self-reported in NPPES; status is on the state search
Practice location
12309 N Mopac Expy Ste 100, Austin, TX 78758
Phone
(512) 339-4040
Enumerated
Feb 13, 2006
Record last updated
May 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(512) 339-1663
Medicare enrollment
Enrolled (PECOS I20100407000751); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 12309 N Mopac Expy Ste 100

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

  1. Marcelo Antunes, MDPlastic Surgery within the Head & Neck (Otolaryngology) Physician1871791558
  2. Raymond Brown, MDOtolaryngology Physician1437594355
  3. James Clark, PA-CPhysician Assistant1861798316
  4. Cassie Dean, PAPhysician Assistant1619501533
  5. Latif Dharamsi, M.D.Otolaryngology Physician1982923959
  6. Tennessen McLean, PAPhysician Assistant1134976764

Verify Zachary D. Wassmuth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L5608
    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
Open 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.

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74% fewer Medicare Part D claims than the average otolaryngology physician in 2024

139 Medicare Part D claims for 59 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. Zachary Wassmuth139
  2. Specialty average541

Most prescribed

  1. Methylprednisolone28 claims
  2. Cefdinir23 claims
  3. Omeprazole13 claims
  4. Amoxicillin-Clavulanate Potass12 claims
  5. Ipratropium Bromide12 claims
  6. Ondansetron Odt12 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): 73.2 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.

  1. Qualityout of 100 · 30% of the final score59.7
  2. Costout of 100 · 30%64.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,395.43

52 payments; by number, the most common kind was food and beverage; the largest payer was Aerin Medical Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Wassmuth$1,395.43
  2. Specialty average$1,922.50

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

  1. Capital Otolaryngology Head And Neck Surgeons, PAAustin, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary D. Wassmuth among 790 otolaryngology physician records in Texas

Zachary D. Wassmuth, M.D. is one of 790 otolaryngology physician records with a practice address in Texas. 82% 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 20% of them.

  • NPI issued2006 · 20% of these records are older, 48% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1994 · median 2003 among the 552 with a school on file
  • Record last updated2019 · 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 207Y00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Texas

There are 790 otolaryngology physician records in Texas.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Raymond Brown, MDAustin, TX 787581437594355
  2. Richard Bryarly, MDAustin, TX 787581588759443
  3. John Burgoyne, MDAustin, TX 787581467410613
  4. Latif Dharamsi, M.D.Austin, TX 787581982923959
  5. Kimberly Hewitt, M.D.Austin, TX 787581841244712
  6. Jeffrey Myhill, MDAustin, TX 787581326200775
  7. Macaulay Ojeaga, MDAustin, TX 787581174100796
  8. Jeffrey Kahn, M.D.Austin, TX 787591841387602

Common questions

What is Zachary D. Wassmuth, M.D.'s NPI number?

Zachary D. Wassmuth, M.D.'s National Provider Identifier (NPI) is 1972577534, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Zachary D. Wassmuth, M.D. located?

The NPPES record lists a practice address at 12309 N Mopac Expy Ste 100, Austin, TX, 78758. Phone: (512) 339-4040. Providers update this record themselves, so call before visiting.

How can I verify Zachary D. Wassmuth, M.D.'s license?

NPPES lists Texas license number L5608, 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 Zachary D. Wassmuth, M.D. prescribe under Medicare Part D?

In 2024, Zachary D. Wassmuth, M.D. had 139 Medicare Part D claims for 59 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Zachary D. Wassmuth, M.D.'s MIPS final score?

The 2023 MIPS final score is 73.2 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.