Doctor profile · Federal record

Dr. Sriram Nathan, M.D.

Advanced Heart Failure and Transplant Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Houston, TX

  • NPI 1285602607
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6400 Fannin St, Suite 2500
Houston, TX 770301521
(713) 704-4300
fax (713) 704-4355

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 8, 2025
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RA0001X — NUCC code
State license (1)
Texas #N5279

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285602607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
799
Distinct HCPCS
10
Medicare allowed
$59,696
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 292 94 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 113 57 $96
93750 Evaluation of lower heart chamber assist device 94 25 $40
99213 Established patient office or other outpatient visit, 20-29 minutes 65 45 $67
99238 Hospital discharge day management, 30 minutes or less 36 35 $81
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 34 34 $64
93750 Evaluation of lower heart chamber assist device 22 11 $41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $128
93312 Ultrasound of heart with probe in esophagus, with report 15 14 $108
93320 Ultrasound of heart blood flow, valves and chambers 15 14 $18

In context: peer comparison

Among 9 peers in this city , average services per provider: 81. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,000
Transactions
11
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 3 $313.35
ABIOMED 2 $260.41
Boston Scientific Corporation 1 $138.22
Amgen Inc. 1 $129.53
Edwards Lifesciences Corporation 2 $115.33
Lexicon Pharmaceuticals, Inc. 1 $21.66
Novo Nordisk Inc 1 $21.20

By nature of payment

Food and Beverage
$1,000

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,388
Patients
812
Total drug cost
$184,066
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 348 113 $6,339
Warfarin Sodium Generic 279 82 $5,167
Amlodipine Besylate Generic 248 82 $2,661
Atorvastatin Calcium Generic 170 58 $2,371
Amiodarone Hcl Generic 140 53 $3,528
Pravastatin Sodium Generic 137 40 $2,526
Losartan Potassium Generic 136 56 $2,396
Spironolactone Generic 132 45 $1,303
Potassium Chloride Generic 130 59 $6,246
Prednisone Generic 128 47 $1,758

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sriram Nathan's medical specialty?
Dr. Sriram Nathan practices Advanced Heart Failure and Transplant Cardiology Physician in Houston, TX.
Where does Dr. Sriram Nathan practice?
Dr. Sriram Nathan practices at 6400 Fannin St, Houston, TX 770301521. Office phone: 7137044300.
What is Dr. Sriram Nathan's NPI?
Dr. Sriram Nathan's National Provider Identifier (NPI) is 1285602607, issued by NPPES.
Does Dr. Sriram Nathan accept Medicare assignment?
Yes. Dr. Sriram Nathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sriram Nathan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Evaluation of lower heart chamber assist device (HCPCS 93750). Source: CMS Medicare Physician & Other Practitioners file.