NPPES file of Aug 9, 2026

Zachary Wade Marshall, M.D.

Allergy Physician · Roanoke, TX

Zachary Wade Marshall, M.D. is an allergy physician with a practice address in Roanoke, Texas, and NPI 1912343419, issued on May 12, 2013. Check the license (Texas R5893, 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
1912343419
Name
Zachary Wade Marshall
Credential
M.D.
Primary taxonomy
Allergy Physician 207KA0200X
License numbers
R5893 TX
BP10046672 TX
Self-reported in NPPES; status is on the state search
Practice location
205 N Oak St Unit B, Roanoke, TX 76262
Phone
(682) 593-9355
Enumerated
May 12, 2013
Record last updated
Sep 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(608) 713-8024
Medicare enrollment
Enrolled (PECOS I20190509001816); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Zachary Wade Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R5893
    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

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16% fewer Medicare Part D claims than the average allergy physician in 2024

627 Medicare Part D claims for 149 beneficiaries, against an average of 750 among the 645 providers of this specialty who prescribed in Part D.

  1. Zachary Marshall627
  2. Specialty average750

Most prescribed

  1. Ipratropium Bromide74 claims
  2. Azelastine Hcl61 claims
  3. Epinephrine50 claims
  4. Albuterol Sulfate Hfa36 claims
  5. Fluticasone Propionate32 claims
  6. Famotidine27 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): 74.4 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 score85.0
  2. Costout of 100 · 30%34.7
  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: $3,570.93

155 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Marshall$3,570.93
  2. Specialty average$9,080.33

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. Mcgovern Allergy Clinic, P.A.Bellaire, TX

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

Zachary Wade Marshall among 76 allergy physician records in Texas

Zachary Wade Marshall, M.D. is one of 76 allergy physician records with a practice address in Texas. 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 2013, is newer than 88% of them.

  • NPI issued2013 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2013 · median 1996 among the 46 with a school on file
  • Record last updated2020 · 59% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy Physician providers in Texas

There are 76 allergy physician records in Texas.

The 8 allergy physician records with the nearest ZIP codes

  1. Dalia Galicia, M.D.Fort Worth, TX 762441235316308
  2. Swapnil Vaidya, MD, PHDFort Worth, TX 762441457575615
  3. Susan Bailey, M.D.Fort Worth, TX 761091396722583
  4. John Fling, MDFort Worth, TX 761071487619995
  5. Madiha Huq, DOSouthlake, TX 760921235638933
  6. Rene Leon, M.D.Southlake, TX 760921639255896
  7. Alireza Shakouri, MDSouthlake, TX 760921366652208
  8. William Long, MDTemple, TX 765021730175852

Common questions

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

Zachary Wade Marshall, M.D.'s National Provider Identifier (NPI) is 1912343419, issued on May 12, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Wade Marshall, M.D. located?

The NPPES record lists a practice address at 205 N Oak St Unit B, Roanoke, TX, 76262. Phone: (682) 593-9355. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number R5893, 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 Wade Marshall, M.D. prescribe under Medicare Part D?

In 2024, Zachary Wade Marshall, M.D. had 627 Medicare Part D claims for 149 beneficiaries; the average among allergy physician prescribers was 750. Part D covers Medicare prescriptions only.

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

The 2023 MIPS final score is 74.4 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.