Internal Medicine · Odessa, TX
NPI
1144212440
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
2
Medicare group memberships
Hospitals
3
Hospital affiliations
1220 W University Blvd
Odessa, TX, 79764
Phone (432) 332-6600
Groups this clinician bills Medicare through
Medicare paid, 2024
$149K
6,163 services
Medicare patients, 2024
418
Average age 76
Drug cost, 2024
$2.5M
18,180 prescriptions
Company payments, 2025
$1,390
From 9 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Darrell S Parsons was code J1010 (injection, methylprednisolone acetate, 1 mg), 880 times for 11 patients. In total Darrell S Parsons billed 6,163 services in 95 codes, and Medicare paid $149K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2018-01-11.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J1010 Injection, methylprednisolone acetate, 1 mg | Office | 880 | 11 | $0.08 | $72.29 |
| 36415 Venipuncture Blood Collection | Office | 602 | 307 | $8.65 | $5,207 |
| 99213 Office E&M - Established | Office | 565 | 280 | $53.62 | $30K |
| 80053 Clinical Chemistry | Office | 548 | 290 | $10.32 | $5,653 |
| 85025 Blood Count | Office | 544 | 290 | $7.59 | $4,127 |
| 99214 Office E&M - Established | Office | 501 | 259 | $78.45 | $39K |
| 83036 Blood Count | Office | 303 | 208 | $9.47 | $2,869 |
| 81003 Clinical Chemistry | Office | 302 | 226 | $2.18 | $659 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 239 | 239 | $123.05 | $29K |
| 84443 Clinical Chemistry | Office | 230 | 193 | $16.46 | $3,786 |
| 80061 Clinical Chemistry | Office | 228 | 193 | $13.02 | $2,970 |
| 84439 Clinical Chemistry | Office | 209 | 178 | $8.81 | $1,841 |
| 82044 Clinical Chemistry | Office | 99 | 62 | $6.11 | $605 |
| 87086 Bacterial Culture | Office | 93 | 75 | $7.75 | $721 |
| G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | Office | 85 | 27 | $30.30 | $2,575 |
By year: 2022 $167K for 5,349 services; 2023 $166K for 5,772 services; 2024 $149K for 6,163 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 602 | 307 | $8.65 | $5,207 |
| 80053 Clinical Chemistry | 548 | 290 | $10.32 | $5,653 |
| 85025 Blood Count | 544 | 290 | $7.59 | $4,127 |
| 83036 Blood Count | 303 | 208 | $9.47 | $2,869 |
| 81003 Clinical Chemistry | 302 | 226 | $2.18 | $659 |
| 84443 Clinical Chemistry | 230 | 193 | $16.46 | $3,786 |
| 80061 Clinical Chemistry | 228 | 193 | $13.02 | $2,970 |
| 84439 Clinical Chemistry | 209 | 178 | $8.81 | $1,841 |
| 82044 Clinical Chemistry | 99 | 62 | $6.11 | $605 |
| 87086 Bacterial Culture | 93 | 75 | $7.75 | $721 |
Medicare prescription drug claims, 2024
In 2024, the drug Darrell S Parsons prescribed most often to Medicare patients was Atorvastatin Calcium, with 1,149 prescriptions and refills. In total Darrell S Parsons wrote 18,180 Medicare prescriptions that cost $2.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 1,149 | 3,260 | 349 | $8,318 |
| Levothyroxine Sodium Generic | 793 | 2,229 | 219 | $8,337 |
| Pantoprazole Sodium Generic | 741 | 2,088 | 244 | $7,173 |
| Rosuvastatin Calcium Generic | 737 | 2,103 | 219 | $7,213 |
| Losartan Potassium Generic | 675 | 1,961 | 214 | $6,197 |
| Amlodipine Besylate Generic | 534 | 1,534 | 165 | $2,977 |
| Carvedilol Generic | 460 | 1,313 | 135 | $3,079 |
| Metformin Hcl Generic | 459 | 1,337 | 157 | $3,558 |
| Lisinopril Generic | 402 | 1,124 | 118 | $2,555 |
| Ozempic Semaglutide | 354 | 463 | 63 | $435K |
| Metoprolol Succinate Generic | 337 | 967 | 111 | $5,300 |
| Furosemide Generic | 329 | 876 | 131 | $1,530 |
| Hydrochlorothiazide Generic | 315 | 933 | 96 | $1,548 |
| Tamsulosin Hcl Generic | 310 | 871 | 97 | $3,155 |
| Eliquis Apixaban | 301 | 604 | 76 | $336K |
Brand drugs: 2,974 claims; generic drugs: 15,020 claims; opioid claims: 131.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Darrell S Parsons $1,390 ($1,390 in general payments such as food, travel and fees) from 9 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $274.
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.