Doctor profile · Federal record

Dr. Nimmy Thakolkaran, M.D.

Geriatric Medicine (Family Medicine) Physician · Family Medicine Physician · Chicago, IL

  • NPI 1255746376
  • 12 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1725 W Harrison St Ste 955
Chicago, IL 606123862
(312) 942-7030
fax (312) 563-4212
Additional location
1501 S California Ave, Suite L1026
Chicago, IL 606081732
(773) 257-6097
fax (773) 257-6045

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
April 20, 2022
Specialty taxonomy
207QG0300X — NUCC code
State licenses (2)
Illinois #036.143418 · Illinois #125.064449
Medicaid
WI #100191458

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255746376. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
555
Distinct HCPCS
5
Medicare allowed
$69,233
HCPCS Description Services Patients Avg allowed
99497 Advance care planning, first 30 minutes 176 143 $75
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 154 94 $154
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 98 89 $133
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 78 69 $181
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 49 39 $105

In context: peer comparison

Among 4 peers in this city , average services per provider: 103. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
625
Patients
450
Total drug cost
$7,546
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 86 57 $578
Levothyroxine Sodium Generic 60 32 $477
Furosemide Generic 53 39 $258
Gabapentin Generic 47 41 $299
Metoprolol Succinate Generic 45 37 $332
Sertraline Hcl Generic 43 14 $295
Eliquis (Apixaban) Brand 41 38 $3,580
Pantoprazole Sodium Generic 40 27 $321
Metformin Hcl Generic 37 32 $200
Metoprolol Tartrate Generic 34 28 $190

Frequently asked questions

Auto-generated from federal data
What is Dr. Nimmy Thakolkaran's medical specialty?
Dr. Nimmy Thakolkaran practices Geriatric Medicine (Family Medicine) Physician in Chicago, IL.
Where does Dr. Nimmy Thakolkaran practice?
Dr. Nimmy Thakolkaran practices at 1725 W Harrison St Ste 955, Chicago, IL 606123862. Office phone: 3129427030.
What is Dr. Nimmy Thakolkaran's NPI?
Dr. Nimmy Thakolkaran's National Provider Identifier (NPI) is 1255746376, issued by NPPES.
What procedures does Dr. Nimmy Thakolkaran commonly perform?
Top Medicare-reported procedures in 2023: Advance care planning (HCPCS 99497); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Initial nursing facility care with moderate level of medical decision making (HCPCS 99305). Source: CMS Medicare Physician & Other Practitioners file.