Doctor profile · Federal record

Dr. Dhanalakshmi Namasivayam, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Madison, WI

  • NPI 1316142110
  • Accepts Medicare
  • 36 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
202 So Park St
Madison, WI 53715
(608) 417-6103
fax (608) 417-5934

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
February 11, 2013
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Wisconsin #50690-20 · Illinois #036-114703

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316142110. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
278
Distinct HCPCS
5
Medicare allowed
$24,662
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 153 80 $74
99239 Hospital discharge day management, more than 30 minutes 39 39 $107
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 31 15 $46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 30 $163
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 25 20 $112

In context: peer comparison

Among 76 peers in Madison Internal Medicine Physician, average services per provider: 80. This provider delivers 3.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$290
Drug Type Claims Patients Total cost
Famotidine Generic 14 0 $290

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dhanalakshmi Namasivayam's medical specialty?
Dr. Dhanalakshmi Namasivayam practices Internal Medicine Physician in Madison, WI.
Where does Dr. Dhanalakshmi Namasivayam practice?
Dr. Dhanalakshmi Namasivayam practices at 202 So Park St, Madison, WI 53715. Office phone: 6084176103.
What is Dr. Dhanalakshmi Namasivayam's NPI?
Dr. Dhanalakshmi Namasivayam's National Provider Identifier (NPI) is 1316142110, issued by NPPES.
Does Dr. Dhanalakshmi Namasivayam accept Medicare assignment?
Yes. Dr. Dhanalakshmi Namasivayam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dhanalakshmi Namasivayam 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 straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.