Doctor profile · Federal record

Dr. Uma Thirumakizhmaran, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Waukesha, WI

  • NPI 1639144116
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
N14W23900 Stone Ridge Dr, Prohealth Care Medical Associates INC
Waukesha, WI 531881135
(262) 549-3030

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
April 13, 2012
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #30434
Medicaid
WI #33343200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639144116. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,893
Distinct HCPCS
10
Medicare allowed
$137,764
HCPCS Description Services Patients Avg allowed
93793 Anticoagulant management of patient taking warfarin 635 235 $11
99214 Established patient office or other outpatient visit, 30-39 minutes 462 257 $121
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 231 231 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 160 138 $85
85610 Blood test, clotting time 87 33 $4
G0008 Administration of influenza virus vaccine 56 54 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 53 51 $75
99215 Established patient office or other outpatient visit, 40-54 minutes 40 39 $169
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 25 21 $49
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 25 25 $155

In context: peer comparison

Among 11 peers in Waukesha Internal Medicine Physician, average services per provider: 120. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,527
Patients
1,157
Total drug cost
$59,629
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 625 149 $10,158
Atorvastatin Calcium Generic 517 129 $5,691
Amlodipine Besylate Generic 441 114 $2,442
Rosuvastatin Calcium Generic 439 126 $7,386
Simvastatin Generic 418 102 $3,751
Losartan Potassium Generic 334 88 $5,107
Lisinopril Generic 263 62 $1,762
Pantoprazole Sodium Generic 232 62 $4,458
Atenolol Generic 196 45 $1,974
Metoprolol Succinate Generic 195 51 $3,183

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Uma Thirumakizhmaran's medical specialty?
Dr. Uma Thirumakizhmaran practices Internal Medicine Physician in Waukesha, WI.
Where does Dr. Uma Thirumakizhmaran practice?
Dr. Uma Thirumakizhmaran practices at N14W23900 Stone Ridge Dr, Waukesha, WI 531881135. Office phone: 2625493030.
What is Dr. Uma Thirumakizhmaran's NPI?
Dr. Uma Thirumakizhmaran's National Provider Identifier (NPI) is 1639144116, issued by NPPES.
Does Dr. Uma Thirumakizhmaran accept Medicare assignment?
Yes. Dr. Uma Thirumakizhmaran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Uma Thirumakizhmaran commonly perform?
Top Medicare-reported procedures in 2023: Anticoagulant management of patient taking warfarin (HCPCS 93793); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.