Doctor profile · Federal record

Dr. Zachary Marshall, M.D.

Allergy Physician (CMS: Allergy/Immunology) · Internal Medicine Physician · Roanoke, TX

  • NPI 1912343419
  • MIPS 74.4 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
205 N Oak St Unit B
Roanoke, TX 762627001
(682) 593-9355
fax (608) 713-8024

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
September 17, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207KA0200X — NUCC code
State licenses (2)
Texas #R5893 · Texas #BP10046672

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912343419. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,735
Distinct HCPCS
10
Medicare allowed
$47,721
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 2,179 36 $4
95144 Professional service for preparation and provision of single-dose vial of allergen 577 28 $17
95024 Test for allergy using allergenic extract injected into skin 573 38 $8
95117 Professional service for multiple injections of allergen 149 35 $12
99214 Established patient office or other outpatient visit, 30-39 minutes 81 60 $129
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 38 13 $74
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $169
96160 Administration and interpretation of patient-focused health risk assessment 28 22 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 27 23 $91
96372 Injection of drug or substance under skin or into muscle 24 16 $14

In context: peer comparison

Among 1 peers in Roanoke Allergy Physician, average services per provider: 311. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,571
Transactions
145
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 18 $520.51
Takeda Pharmaceuticals U.S.A., INC. 16 $479.86
Blueprint Medicines Corporation 10 $351.09
Regeneron Healthcare Solutions, INC. 12 $304.36
Abbvie INC. 13 $281.74
Grifols USA, LLC 9 $213.99
GlaxoSmithKline, LLC. 19 $209.87
Novartis Pharmaceuticals Corporation 9 $188.50
Genentech USA, INC. 3 $151.61
Pharming Healthcare, INC. 6 $139.17
Csl Behring 9 $132.56
Incyte Corporation 7 $119.49
Leo Pharma INC. 4 $92.36
BioCryst US Sales Co., LLC 6 $89.21
Kaleo, INC. 4 $87.97

By nature of payment

Food and Beverage
$3,571

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
399
Patients
168
Total drug cost
$66,814
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 69 45 $3,140
Ipratropium Bromide Generic 49 37 $1,907
Epinephrine Generic 39 31 $8,008
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 36 13 $31,640
Fluticasone Propionate Generic 27 13 $612
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 26 17 $1,386
Montelukast Sodium Generic 26 12 $470
Famotidine Generic 25 0 $264
Mometasone Furoate Generic 23 0 $2,910
Levocetirizine Dihydrochloride Generic 16 0 $345

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Marshall's medical specialty?
Dr. Zachary Marshall practices Allergy Physician in Roanoke, TX.
Where does Dr. Zachary Marshall practice?
Dr. Zachary Marshall practices at 205 N Oak St Unit B, Roanoke, TX 762627001. Office phone: 6825939355.
What is Dr. Zachary Marshall's NPI?
Dr. Zachary Marshall's National Provider Identifier (NPI) is 1912343419, issued by NPPES.
Does Dr. Zachary Marshall accept Medicare assignment?
Dr. Zachary Marshall does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Zachary Marshall commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of single-dose vial of allergen (HCPCS 95144); Test for allergy using allergenic extract injected into skin (HCPCS 95024). Source: CMS Medicare Physician & Other Practitioners file.