Doctor profile · Federal record

Dr. Karen Thampoe, M.D.

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

  • NPI 1750390092
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21238 Kingsland Blvd
Katy, TX 774505898
(832) 321-4962
fax (281) 606-0394

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 2, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #M0289
Medicaid
TX #171157402

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750390092. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,165
Distinct HCPCS
10
Medicare allowed
$297,577
HCPCS Description Services Patients Avg allowed
99422 Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes 562 22 $30
87798 Detection test by nucleic acid for organism, amplified probe technique 528 37 $34
99214 Established patient office or other outpatient visit, 30-39 minutes 221 70 $129
99215 Established patient office or other outpatient visit, 40-54 minutes 205 69 $181
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 184 29 $49
87481 Detection test for candida species (yeast), amplified probe technique 170 33 $34
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 163 29 $50
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 161 26 $40
93923 Complete ultrasound study of arm and leg arteries 159 58 $126
99423 Online digital evaluation and management service for an established patient for up to 7 days, total time 21 or more minutes 138 14 $48

In context: peer comparison

Among 23 peers in this city , average services per provider: 120. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$318
Transactions
15
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
REVANCE THERAPEUTICS, INC. 2 $77.49
AstraZeneca Pharmaceuticals LP 3 $49.71
Amgen Inc. 3 $46.92
Abbott Laboratories 2 $46.03
Azurity Pharmaceuticals, Inc. 1 $23.32
Dexcom, Inc. 1 $22.59
Supernus Pharmaceuticals, Inc. 1 $21.00
Currax Pharmaceuticals LLC 1 $17.26
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $13.81

By nature of payment

Food and Beverage
$318

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,776
Patients
617
Total drug cost
$37,685
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 196 36 $3,165
Rosuvastatin Calcium Generic 154 65 $11,061
Losartan Potassium Generic 148 46 $1,692
Methylprednisolone Generic 145 87 $1,541
Levothyroxine Sodium Generic 138 46 $3,930
Gabapentin Generic 117 35 $2,139
Atorvastatin Calcium Generic 116 43 $1,614
Furosemide Generic 116 38 $766
Nifedipine Er (Nifedipine) Brand 113 35 $4,722
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 109 43 $3,768

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Thampoe's medical specialty?
Dr. Karen Thampoe practices Internal Medicine Physician in Katy, TX.
Where does Dr. Karen Thampoe practice?
Dr. Karen Thampoe practices at 21238 Kingsland Blvd, Katy, TX 774505898. Office phone: 8323214962.
What is Dr. Karen Thampoe's NPI?
Dr. Karen Thampoe's National Provider Identifier (NPI) is 1750390092, issued by NPPES.
Does Dr. Karen Thampoe accept Medicare assignment?
Yes. Dr. Karen Thampoe accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Thampoe commonly perform?
Top Medicare-reported procedures in 2023: Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes (HCPCS 99422); Detection test by nucleic acid for organism, amplified probe technique (HCPCS 87798); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.