Doctor profile · Federal record

Dr. Malar Vasanthan, MD

Internal Medicine Physician (CMS: Internal Medicine) · Grand Rapids, MI

  • NPI 1639366743
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Michigan Ne, Suite A721
Grand Rapids, MI 49503
(616) 391-3139
fax (616) 391-3044
Mailing address
100 Michigan St Ne, Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
February 17, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301081130

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639366743. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
386
Distinct HCPCS
4
Medicare allowed
$38,536
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 194 91 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 115 65 $117
99239 Hospital discharge day management, more than 30 minutes 53 53 $112
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $171

In context: peer comparison

Among 105 peers in this city , average services per provider: 82. This provider delivers 4.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Malar Vasanthan's medical specialty?
Dr. Malar Vasanthan practices Internal Medicine Physician in Grand Rapids, MI.
Where does Dr. Malar Vasanthan practice?
Dr. Malar Vasanthan practices at 100 Michigan Ne, Grand Rapids, MI 49503. Office phone: 6163913139.
What is Dr. Malar Vasanthan's NPI?
Dr. Malar Vasanthan's National Provider Identifier (NPI) is 1639366743, issued by NPPES.
Does Dr. Malar Vasanthan accept Medicare assignment?
Yes. Dr. Malar Vasanthan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Malar Vasanthan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.