Doctor profile · Federal record
Dr. Tahir Mahmood, MD
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Lombard, IL
- NPI 1598849895
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
2500 S Highland Ave Ste 230
Lombard, IL 601487103
(630) 429-9000
fax (630) 429-9060 - Additional location
-
2000 Lake Ave
Woodstock, IL 600987401
(815) 337-8603 - Additional location
-
875 South Route 31
Crystal Lake, IL 60014
(779) 220-5500 - Additional location
-
901 Grant St
Harvard, IL 600331821
(815) 943-5431
Show 1 more location
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 15, 2024
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036108276
- Medicaid
- IL #036108276
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598849895. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
120
Distinct HCPCS
4
Medicare allowed
$15,809
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 58 | 25 | $123 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 25 | 23 | $179 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 21 | 18 | $110 | |
99239 |
Hospital discharge day management, more than 30 minutes | 16 | 12 | $119 |
In context: peer comparison
Among 11 peers in Lombard Internal Medicine Physician, average services per provider: 96. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
263
Patients
0
Total drug cost
$7,495
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 33 | 0 | $209 |
| Lisinopril | Generic | 25 | 0 | $200 |
| Metoprolol Tartrate | Generic | 23 | 0 | $221 |
| Levothyroxine Sodium | Generic | 22 | 0 | $230 |
| Simvastatin | Generic | 21 | 0 | $186 |
| Budesonide Dr (Budesonide) | Brand | 20 | 0 | $3,328 |
| Oxybutynin Chloride ER (Oxybutynin Chloride) | Brand | 20 | 0 | $290 |
| Sertraline Hcl | Generic | 20 | 0 | $182 |
| Donepezil Hcl | Generic | 17 | 0 | $106 |
| Latanoprost | Generic | 17 | 0 | $500 |
Frequently asked questions
What is Dr. Tahir Mahmood's medical specialty?
Dr. Tahir Mahmood practices Internal Medicine Physician in Lombard, IL.
Where does Dr. Tahir Mahmood practice?
Dr. Tahir Mahmood practices at 2500 S Highland Ave Ste 230, Lombard, IL 601487103. Office phone: 6304299000.
What is Dr. Tahir Mahmood's NPI?
Dr. Tahir Mahmood's National Provider Identifier (NPI) is 1598849895, issued by NPPES.
Does Dr. Tahir Mahmood accept Medicare assignment?
Yes. Dr. Tahir Mahmood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tahir Mahmood commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.