Doctor profile · Federal record

Dr. Richard Lock, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Houston, TX

  • NPI 1558334219
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12121 Richmond Ave, Suite 413
Houston, TX 770822432
(281) 752-8745
fax (281) 752-8746
Mailing address
Po Box 1920
Sugar Land, TX 774871920

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #J7052

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558334219. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,479
Distinct HCPCS
10
Medicare allowed
$138,741
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 497 227 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 327 195 $131
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 210 210 $133
G0444 Annual depression screening, 5 to 15 minutes 177 177 $19
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 84 84 $76
G0008 Administration of influenza virus vaccine 84 84 $31
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 48 17 $43
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 21 21 $170
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 18 18 $170
G0180 Physician or allowed practitioner 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 and 13 12 $54

In context: peer comparison

Among 393 peers in this city , average services per provider: 127. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,640
Transactions
73
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 13 $258.76
AstraZeneca Pharmaceuticals LP 13 $234.66
Amgen Inc. 10 $233.79
Boehringer Ingelheim Pharmaceuticals, Inc. 8 $142.72
Novo Nordisk Inc 6 $134.20
Gilead Sciences, Inc. 5 $124.62
Lilly USA, LLC 4 $75.69
Bayer Healthcare Pharmaceuticals Inc. 2 $43.43
Embecta Corp. 2 $42.97
ABBVIE INC. 2 $42.67
Exact Sciences Corporation 2 $41.58
Mylan Specialty L.P. 2 $40.46
Axonics, Inc. 1 $32.09
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $31.69
E.R. Squibb & Sons, L.L.C. 1 $29.00

By nature of payment

Food and Beverage
$1,640

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
9,546
Patients
2,951
Total drug cost
$169,046
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,342 397 $18,531
Rosuvastatin Calcium Generic 1,091 351 $46,135
Losartan Potassium Generic 963 282 $12,118
Amlodipine Besylate Generic 874 271 $6,910
Metformin Hcl Er (Metformin Hcl) Brand 750 224 $11,304
Metoprolol Succinate Generic 747 226 $16,763
Levothyroxine Sodium Generic 724 203 $10,243
Tamsulosin Hcl Generic 561 175 $12,444
Tizanidine Hcl Generic 553 189 $4,867
Gabapentin Generic 377 112 $7,339

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Lock's medical specialty?
Dr. Richard Lock practices Internal Medicine Physician in Houston, TX.
Where does Dr. Richard Lock practice?
Dr. Richard Lock practices at 12121 Richmond Ave, Houston, TX 770822432. Office phone: 2817528745.
What is Dr. Richard Lock's NPI?
Dr. Richard Lock's National Provider Identifier (NPI) is 1558334219, issued by NPPES.
Does Dr. Richard Lock accept Medicare assignment?
Yes. Dr. Richard Lock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Lock commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.