Doctor profile · Federal record

Dr. John Kakkanathu, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO

  • NPI 1346458411
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
621 S New Ballas RD, Suite 3016B
Saint Louis, MO 631418232
(314) 251-6339
fax (314) 251-4564

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
July 17, 2014
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #2009008964
Medicaid
MO #1346458411

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346458411. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
762
Distinct HCPCS
5
Medicare allowed
$69,594
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 555 197 $78
99239 Hospital discharge day management, more than 30 minutes 105 104 $113
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 47 38 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 40 40 $172
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $129

In context: peer comparison

Among 216 peers in this city , average services per provider: 171. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
27
Patients
26
Total drug cost
$306
Drug Type Claims Patients Total cost
Prednisone Generic 15 14 $51
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $256

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Kakkanathu's medical specialty?
Dr. John Kakkanathu practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. John Kakkanathu practice?
Dr. John Kakkanathu practices at 621 S New Ballas RD, Saint Louis, MO 631418232. Office phone: 3142516339.
What is Dr. John Kakkanathu's NPI?
Dr. John Kakkanathu's National Provider Identifier (NPI) is 1346458411, issued by NPPES.
Does Dr. John Kakkanathu accept Medicare assignment?
Yes. Dr. John Kakkanathu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Kakkanathu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.