Physician Assistant, Surgical · Houston, TX
NPI
1184268617
Since 2019
Specialty
Physician Assistant, Surgical
Code 363AS0400X
Group practices
0
Medicare group memberships
Hospitals
0
Hospital affiliations
3701 Kirby Dr Ste 1230
Houston, TX, 77098
Phone (713) 526-0005
Medicare paid
-
No Medicare services published
Medicare patients
-
Drug cost, 2024
$2.6M
2,371 prescriptions
Company payments, 2025
$3,501
From 17 companies
Medicare prescription drug claims, 2024
In 2024, the drug John D Chapman prescribed most often to Medicare patients was Biktarvy (Bictegrav/Emtricit/Tenofov Ala), with 125 prescriptions and refills. In total John D Chapman wrote 2,371 Medicare prescriptions that cost $2.6M.
| Drug |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-12-21.
| Claims |
|---|
| 30-day fills |
|---|
| Patients |
|---|
| Cost |
|---|
| Biktarvy Bictegrav/Emtricit/Tenofov Ala | 125 | 133 | 13 | $557K |
| Atorvastatin Calcium Generic | 123 | 344 | 33 | $847 |
| Descovy Emtricitabine/Tenofov Alafenam | 114 | 122 | 13 | $271K |
| Amlodipine Besylate Generic | 78 | 177 | 19 | $337 |
| Lisinopril Generic | 63 | 181 | 20 | $630 |
| Zolpidem Tartrate Generic | 62 | 90 | 11 | $614 |
| Genvoya Elviteg/Cob/Emtri/Tenof Alafen | 51 | 55 | Under 11 | $226K |
| Tivicay Dolutegravir Sodium | 46 | 54 | Under 11 | $116K |
| Testosterone Cypionate Generic | 43 | 64 | Under 11 | $1,831 |
| Symtuza Darunavir/Cob/Emtri/Tenof Alaf | 42 | 50 | Under 11 | $226K |
| Cabenuva Cabotegravir/Rilpivirine | 42 | 79 | Under 11 | $290K |
| Valacyclovir Valacyclovir Hcl | 41 | 78 | Under 11 | $2,045 |
| Omeprazole Generic | 40 | 98 | Under 11 | $346 |
| Rosuvastatin Calcium Generic | 38 | 104 | 14 | $382 |
| Alprazolam Generic | 37 | 37 | Under 11 | $175 |
Brand drugs: 848 claims; generic drugs: 1,523 claims; opioid claims: 20.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid John D Chapman $3,501 ($3,501 in general payments such as food, travel and fees) from 17 companies. The largest payer was ViiV Healthcare Company with $1,685.
| Company | Payments | Amount |
|---|---|---|
| ViiV Healthcare Company GSK | 66 | $1,685 |
| Gilead Sciences, Inc. GILD | 31 | $593 |
| AstraZeneca Pharmaceuticals LP AZN | 7 | $205 |
| EMD Serono, Inc. MRK.DE | 8 | $195 |
| Merck Sharp & Dohme LLC MRK | 9 | $192 |
| Novo Nordisk Inc NVO | 10 | $168 |
| Lilly USA, LLC LLY | 4 | $82.19 |
| Napo Pharmaceuticals Inc | 4 | $74.55 |
| Antares Pharma, Inc. | 4 | $72.39 |
| Madrigal Pharmaceuticals MDGL | 2 | $51.73 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.