Doctor profile · Federal record
Dr. Tharani Rajeswaran, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Aurora, IL
- NPI 1861806440
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4100 Healthway Dr
Aurora, IL 605044163
(630) 851-3105
fax (630) 978-6690 - Additional location
-
245 Chapman St Ste 300
Providence, RI 02905
(401) 444-5280
fax (401) 444-4480
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- November 18, 2021
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Illinois #036.153688 · Rhode Island #MD16636
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861806440. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
561
Distinct HCPCS
6
Medicare allowed
$37,770
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 217 | 139 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 212 | 162 | $127 | |
96372 |
Injection of drug or substance under skin or into muscle | 69 | 18 | $14 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $171 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $90 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 12 | 11 | $35 |
In context: peer comparison
Among 4 peers in Aurora Endocrinology, Diabetes & Metabolism Physician, average services per provider: 385. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,740
Patients
580
Total drug cost
$1,065,953
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 276 | 82 | $4,197 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 234 | 81 | $208,291 |
| Metformin Hcl | Generic | 221 | 76 | $2,738 |
| Jardiance (Empagliflozin) | Brand | 191 | 50 | $283,240 |
| Ozempic (Semaglutide) | Brand | 130 | 46 | $281,859 |
| Glipizide | Generic | 112 | 35 | $1,466 |
| Novolog Flexpen (Insulin Aspart) | Brand | 106 | 40 | $177,779 |
| Atorvastatin Calcium | Generic | 77 | 26 | $1,703 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 63 | 21 | $643 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 59 | 25 | $89,944 |
Hospital affiliations
Frequently asked questions
What is Dr. Tharani Rajeswaran's medical specialty?
Dr. Tharani Rajeswaran practices Endocrinology, Diabetes & Metabolism Physician in Aurora, IL.
Where does Dr. Tharani Rajeswaran practice?
Dr. Tharani Rajeswaran practices at 4100 Healthway Dr, Aurora, IL 605044163. Office phone: 6308513105.
What is Dr. Tharani Rajeswaran's NPI?
Dr. Tharani Rajeswaran's National Provider Identifier (NPI) is 1861806440, issued by NPPES.
Does Dr. Tharani Rajeswaran accept Medicare assignment?
Yes. Dr. Tharani Rajeswaran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tharani Rajeswaran commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.