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.
- 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
8 nearest allergy physician records → All 76 in Texas → Look up another NPI →
Verify Zachary Wade Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R5893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Ipratropium Bromide74 claims
- Azelastine Hcl61 claims
- Epinephrine50 claims
- Albuterol Sulfate Hfa36 claims
- Fluticasone Propionate32 claims
- 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.
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.
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
- 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.
All 76 in Texas → Every provider in Roanoke → Allergy Physician nationwide →
The 8 allergy physician records with the nearest ZIP codes
- Dalia Galicia, M.D.Fort Worth, TX 762441235316308
- Swapnil Vaidya, MD, PHDFort Worth, TX 762441457575615
- Susan Bailey, M.D.Fort Worth, TX 761091396722583
- John Fling, MDFort Worth, TX 761071487619995
- Madiha Huq, DOSouthlake, TX 760921235638933
- Rene Leon, M.D.Southlake, TX 760921639255896
- Alireza Shakouri, MDSouthlake, TX 760921366652208
- 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.