Doctor profile · Federal record
Dr. John Tharnstrom, PA
Emergency Medicine Physician · Physician Assistant · Naperville, IL
- NPI 1467541227
- 20 yrs on file
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
808 Rickert Dr Ste 103
Naperville, IL 605400908
(331) 551-5854
fax (630) 348-3098 - Mailing address
-
Po Box 713260
Chicago, IL 606771260
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 28, 2023
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Illinois #085-002044 · Texas #PA09915
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467541227. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
600
Distinct HCPCS
10
Medicare allowed
$48,612
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 122 | 120 | $80 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 98 | 98 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 96 | 93 | $113 | |
87651 |
Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique | 54 | 53 | $33 | |
81003 |
Automated urinalysis test | 44 | 43 | $2 | |
0241U |
Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected | 33 | 33 | $140 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $147 | |
87631 |
Detection test by nucleic acid for multiple types of respiratory virus, multiple types or subtypes, 3-5 targets | 23 | 22 | $135 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 22 | $158 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 20 | 20 | $8 |
In context: peer comparison
Among 23 peers in this city , average services per provider: 114. This provider delivers 5.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
358
Patients
356
Total drug cost
$4,283
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methylprednisolone | Generic | 74 | 73 | $763 |
| Azithromycin | Generic | 43 | 43 | $308 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 41 | 40 | $996 |
| Amoxicillin | Generic | 34 | 34 | $190 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 31 | 31 | $581 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 25 | 25 | $216 |
| Prednisone | Generic | 18 | 18 | $45 |
| Cephalexin | Generic | 16 | 16 | $107 |
| Ciprofloxacin Hcl | Generic | 16 | 16 | $105 |
| Lagevrio (Eua) (Molnupiravir) | Brand | 14 | 14 | $151 |
Frequently asked questions
What is Dr. John Tharnstrom's medical specialty?
Dr. John Tharnstrom practices Emergency Medicine Physician in Naperville, IL.
Where does Dr. John Tharnstrom practice?
Dr. John Tharnstrom practices at 808 Rickert Dr Ste 103, Naperville, IL 605400908. Office phone: 3315515854.
What is Dr. John Tharnstrom's NPI?
Dr. John Tharnstrom's National Provider Identifier (NPI) is 1467541227, issued by NPPES.
What procedures does Dr. John Tharnstrom commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.