Doctor profile · Federal record

Dr. Dorothy Merritt, M.D.

Internal Medicine Physician · Family Medicine Physician · La Marque, TX

  • NPI 1881698579
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6608 Gulf Fwy Ste 100
La Marque, TX 775684095
(409) 655-2770
fax (844) 234-6011

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 5, 2024
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #G9878
Medicaid
TX #127993703

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881698579. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
353
Distinct HCPCS
4
Medicare allowed
$26,948
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 268 78 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 61 46 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 12 12 $129

In context: peer comparison

Among 1 peers in this city , average services per provider: 88. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$105
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 2 $44.45
Amgen Inc. 1 $23.82
ABBVIE INC. 1 $21.59
Exact Sciences Corporation 1 $14.75

By nature of payment

Food and Beverage
$105

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,495
Patients
606
Total drug cost
$205,587
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 246 104 $3,910
Gabapentin Generic 139 53 $2,863
Atorvastatin Calcium Generic 122 52 $2,152
Losartan Potassium Generic 119 55 $1,954
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 98 34 $2,607
Amlodipine Besylate Generic 97 42 $622
Alprazolam Generic 96 29 $1,016
Metformin Hcl Generic 90 41 $1,091
Pravastatin Sodium Generic 85 38 $1,564
Omeprazole Generic 73 25 $1,293

Frequently asked questions

Auto-generated from federal data
What is Dr. Dorothy Merritt's medical specialty?
Dr. Dorothy Merritt practices Internal Medicine Physician in La Marque, TX.
Where does Dr. Dorothy Merritt practice?
Dr. Dorothy Merritt practices at 6608 Gulf Fwy Ste 100, La Marque, TX 775684095. Office phone: 4096552770.
What is Dr. Dorothy Merritt's NPI?
Dr. Dorothy Merritt's National Provider Identifier (NPI) is 1881698579, issued by NPPES.
What procedures does Dr. Dorothy Merritt commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.