Doctor profile · Federal record

Dr. Rajasekaran Annamalai, MD

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

  • NPI 1932210234
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11011 Northpointe Blvd Ste C
Tomball, TX 773751572
(281) 246-1100
fax (281) 430-1100

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 10, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #N0611

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932210234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
639
Distinct HCPCS
10
Medicare allowed
$44,640
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 189 60 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 130 58 $88
J0696 Injection, ceftriaxone sodium, per 250 mg 68 12 $0
87804 Detection test by immunoassay with direct visual observation for influenza virus 50 21 $16
96372 Injection of drug or substance under skin or into muscle 40 26 $14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 39 39 $130
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 26 21 $35
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 22 18 $16
36415 Insertion of needle into vein for collection of blood sample 21 20 $8
81002 Urinalysis, manual test 20 16 $3

In context: peer comparison

Among 8 peers in Tomball Internal Medicine Physician, average services per provider: 280. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$476
Transactions
18
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 2 $148.88
Amgen INC. 4 $81.35
Ironshore Pharmaceuticals INC. 3 $72.61
Pfizer INC. 2 $42.04
Verrica Pharmaceuticals INC. 2 $37.32
Phadia US INC. 1 $24.38
Novartis Pharmaceuticals Corporation 1 $22.16
Abbott Laboratories 1 $15.99
Otsuka America Pharmaceutical, INC. 1 $15.74
AstraZeneca Pharmaceuticals Lp 1 $15.58

By nature of payment

Food and Beverage
$476

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,747
Patients
571
Total drug cost
$30,329
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 234 71 $4,600
Levothyroxine Sodium Generic 225 47 $3,452
Montelukast Sodium Generic 150 57 $2,451
Gabapentin Generic 133 41 $2,735
Rosuvastatin Calcium Generic 117 35 $2,643
Metformin Hcl Generic 106 32 $1,265
Pantoprazole Sodium Generic 102 37 $1,709
Olmesartan Medoxomil Generic 99 29 $3,031
Tizanidine Hcl Generic 97 46 $849
Tramadol Hcl Generic 95 27 $645

Frequently asked questions

Auto-generated from federal data
What is Dr. Rajasekaran Annamalai's medical specialty?
Dr. Rajasekaran Annamalai practices Internal Medicine Physician in Tomball, TX.
Where does Dr. Rajasekaran Annamalai practice?
Dr. Rajasekaran Annamalai practices at 11011 Northpointe Blvd Ste C, Tomball, TX 773751572. Office phone: 2812461100.
What is Dr. Rajasekaran Annamalai's NPI?
Dr. Rajasekaran Annamalai's National Provider Identifier (NPI) is 1932210234, issued by NPPES.
Does Dr. Rajasekaran Annamalai accept Medicare assignment?
Yes. Dr. Rajasekaran Annamalai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rajasekaran Annamalai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection, ceftriaxone sodium, per 250 mg (HCPCS J0696). Source: CMS Medicare Physician & Other Practitioners file.