Internal Medicine · Houston, TX
NPI
1558334219
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
12121 Richmond Ave, Suite 413
Houston, TX, 77082
Phone (281) 752-8745
Groups this clinician bills Medicare through
Medicare paid, 2024
$103K
1,381 services
Medicare patients, 2024
341
Average age 75
Drug cost, 2024
$1.8M
23,335 prescriptions
Company payments, 2025
$1,655
From 14 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Richard C Lock was code 99213 (office e&m - established), 472 times for 221 patients. In total Richard C Lock billed 1,381 services in 17 codes, and Medicare paid $103K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-13.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 472 | 221 | $61.60 | $29K |
| 99214 Office E&M - Established | Office | 306 | 199 | $98.12 | $30K |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 197 | 197 | $137.79 | $27K |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 186 | 186 | $19.79 | $3,680 |
| 90661 Vaccine Product | Office | 61 | 61 | $36.11 | $2,203 |
| G0008 Administration of influenza virus vaccine | Office | 60 | 60 | $32.75 | $1,965 |
| G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | Office | 20 | 20 | $175.98 | $3,520 |
| G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | Office | 20 | 20 | $175.47 | $3,509 |
| 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 | 15 | 11 | $25.63 | $384 |
By year: 2022 $114K for 1,643 services; 2023 $113K for 1,550 services; 2024 $103K for 1,381 services.
Medicare prescription drug claims, 2024
In 2024, the drug Richard C Lock prescribed most often to Medicare patients was Atorvastatin Calcium, with 1,296 prescriptions and refills. In total Richard C Lock wrote 23,335 Medicare prescriptions that cost $1.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 1,296 | 3,756 | 387 | $14K |
| Rosuvastatin Calcium Generic | 1,198 | 3,535 | 385 | $22K |
| Losartan Potassium Generic | 1,004 | 2,915 | 305 | $10K |
| Amlodipine Besylate Generic | 848 | 2,478 | 259 | $4,874 |
| Metoprolol Succinate Generic | 809 | 2,289 | 239 | $10K |
| Levothyroxine Sodium Generic | 753 | 2,188 | 202 | $5,519 |
| Metformin Hcl Er Metformin Hcl | 738 | 2,132 | 228 | $9,913 |
| Tamsulosin Hcl Generic | 597 | 1,725 | 196 | $9,466 |
| Tizanidine Hcl Generic | 516 | 933 | 173 | $3,798 |
| Pantoprazole Sodium Generic | 425 | 1,088 | 139 | $4,160 |
| Gabapentin Generic | 359 | 744 | 120 | $6,702 |
| Lisinopril Generic | 340 | 998 | 103 | $2,313 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 294 | 381 | 93 | $7,272 |
| Diclofenac Sodium Generic | 272 | 308 | 77 | $4,737 |
| Omeprazole Generic | 272 | 746 | 83 | $3,437 |
Brand drugs: 2,262 claims; generic drugs: 20,810 claims; opioid claims: 361.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Richard C Lock $1,655 ($1,655 in general payments such as food, travel and fees) from 14 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $381.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 21 | $381 |
| Novo Nordisk Inc NVO | 12 | $301 |
| GlaxoSmithKline, LLC. GSK | 14 | $281 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 10 | $243 |
| Amgen Inc. AMGN | 12 | $192 |
| Exact Sciences Corporation EXAS | 3 | $62.21 |
| Lilly USA, LLC LLY | 2 | $37.57 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 2 | $32.7 |
| Gilead Sciences, Inc. GILD | 1 | $30.21 |
| Esperion Therapeutics, Inc. ESPR | 2 | $29.52 |
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.