Zachary Gray , PA-C
Physician Assistant • Houston, TX
6624 Fannin St
Houston, TX 770302312
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on October 18, 2016; this date does not establish years in practice.
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Published CMS data list 34 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Metoprolol Tartrate — 17 prescription fills, including refills.
- Furosemide — 17 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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Fewer Part D prescriptions than 75% of clinicians listed under Physician Assistant in Houston, TX (2024, 697 clinicians with data). Median for this group: 127. Middle half: 39 to 427.
Fewer Part D prescriptions than 85% of clinicians listed under Physician Assistant in Texas (2024, 4,882 clinicians with data). Median for this group: 263. Middle half: 73 to 938.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 32 in 2020 to 34 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020–2024.
Practice Location & Contact Primary Location
6624 Fannin St
Houston, TX 770302312
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Baylor College Of Medicine. See the list
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026
2016
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
64 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$70 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $181.32 across 7 records.
By nature of payment
- Food and Beverage: $181.32 across 7 records.
Reporting-company totals
- Abbott Laboratories: $115.44 across 5 records.
- Edwards Lifesciences Corporation: $65.88 across 2 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
10 years (graduated 2016)
CMS Doctors and Clinicians data list 2016 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.
NPI first issued
2016
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Enrolled in Medicare (PECOS)
Zachary Gray has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Zachary Gray as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Houston and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
Fewer Part D prescriptions than 75% of clinicians listed under Physician Assistant in Houston, TX (2024, 697 clinicians with data). Median for this group: 127. Middle half: 39 to 427.
Fewer Part D prescriptions than 85% of clinicians listed under Physician Assistant in Texas (2024, 4,882 clinicians with data). Median for this group: 263. Middle half: 73 to 938.
Part D drug cost
A lower Part D drug cost than 90% of clinicians listed under Physician Assistant in Houston, TX (2024, 697 clinicians with data). Median for this group: $3,381. Middle half: $391 to $53,200.
A lower Part D drug cost than 95% of clinicians listed under Physician Assistant in Texas (2024, 4,882 clinicians with data). Median for this group: $8,078. Middle half: $753 to $103,086.
1,821 active clinicians are listed under Physician Assistant with a practice address in Houston, TX (11,139 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Houston
18.2% of these 1,821 clinicians have the CMS telehealth indicator.
54.9% of these 1,821 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
Medicare Part D prescriptions varied from year to year: 32 in 2020 and 34 in 2024.
- 2020: 32
- 2021: 60
- 2022: 68
- 2023: 27
- 2024: 34
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30-day fills
30-day fills varied from year to year: 64 in 2020 and 64 in 2024.
- 2020: 64
- 2021: 91
- 2022: 92
- 2023: 45
- 2024: 64
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Part D drug cost
Part D drug cost went from $258 in 2020 to $70 in 2024.
- 2020: $258
- 2021: $530
- 2022: $291
- 2023: $106
- 2024: $70
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $276.83 in 2021 to $181.32 in 2025.
- 2021: $276.83
- 2022: $241.74
- 2023: $250.08
- 2024: $139.19
- 2025: $181.32
Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $181.32.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Edwards Lifesciences Corporation |
Food and Beverage
In-kind items and services
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MITRIS RESILIA Mitral Valve | General | $40.55 |
| Edwards Lifesciences Corporation |
Food and Beverage
In-kind items and services
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MITRIS RESILIA Mitral Valve | General | $25.33 |
| Abbott Laboratories |
Food and Beverage
In-kind items and services
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THORATEC HEARTMATE 3 LVAS IMPLANT KIT | General | $24.61 |
| Abbott Laboratories |
Food and Beverage
In-kind items and services
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THORATEC HEARTMATE 3 LVAS IMPLANT KIT | General | $24.47 |
| Abbott Laboratories |
Food and Beverage
In-kind items and services
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THORATEC HEARTMATE 3 LVAS IMPLANT KIT | General | $23.01 |
| Abbott Laboratories |
Food and Beverage
In-kind items and services
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THORATEC HEARTMATE 3 LVAS IMPLANT KIT | General | $21.71 |
| Abbott Laboratories |
Food and Beverage
In-kind items and services
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THORATEC HEARTMATE 3 LVAS IMPLANT KIT | General | $21.64 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Metoprolol Tartrate | Metoprolol Tartrate | 17 | 1,400 | $55.30 | 14 |
| Furosemide | Furosemide | 17 | 213 | $15.16 | 17 |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20161212001540
TX
7214217116
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026
Baylor College Of Medicine
6720 Bertner Ave, Houston, TX 770302604
Baylor College Of Medicine
6770 Bertner Ave, Houston, TX 770302604
Phone: 7137981000
Baylor College Of Medicine
7200 Cambridge St, Houston, TX 770304202
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Critical Care Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner - Acute Care
Advanced Practice Registered Nurse
Physician Assistant
Physician Assistant
Emergency Medicine
Doctor of Medicine (M.D.)
Nurse Anesthetist, Certified Registered
Career & Practice History
NPI enumerated October 18, 2016.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.
NPI Administrative Meta
Other Physician Assistants in Houston
- Ann Wang, PA
- Shama Shaukatali, PA-C
- Arinda Canales, PA-C
- Boone Allen
- Deborah Guimaraes, PA-C
- Barry Johannes, PA
Mailing Address
108 Winding Rd
Friendswood, TX 775462109
Phone: 2816822026