Doctor profile · Federal record
Dr. Zackary Franzen, MD
Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Rockford, IL
- NPI 1851851018
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
5666 E State St
Rockford, IL 611082425
(815) 226-2000 - Additional location
-
670 Glades RD Ste 400
Boca Raton, FL 334316464
(561) 955-2570
fax (561) 955-2572 - Additional location
-
800 Meadows RD
Boca Raton, FL 334862304
(561) 955-5365
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- July 28, 2022
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036160276
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851851018. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
789
Distinct HCPCS
7
Medicare allowed
$74,340
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 387 | 170 | $77 | |
99239 |
Hospital discharge day management, more than 30 minutes | 135 | 134 | $111 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 90 | 70 | $116 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 89 | 56 | $49 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 49 | 49 | $170 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 23 | 23 | $128 | |
99291 |
Critical care, first 30-74 minutes | 16 | 13 | $211 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 112. This provider delivers 7.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
53
Patients
52
Total drug cost
$351
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 16 | 15 | $123 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 14 | $101 |
| Prednisone | Generic | 12 | 12 | $42 |
| Cefdinir | Generic | 11 | 11 | $85 |
Hospital affiliations
Frequently asked questions
What is Dr. Zackary Franzen's medical specialty?
Dr. Zackary Franzen practices Internal Medicine Physician in Rockford, IL.
Where does Dr. Zackary Franzen practice?
Dr. Zackary Franzen practices at 5666 E State St, Rockford, IL 611082425. Office phone: 8152262000.
What is Dr. Zackary Franzen's NPI?
Dr. Zackary Franzen's National Provider Identifier (NPI) is 1851851018, issued by NPPES.
Does Dr. Zackary Franzen accept Medicare assignment?
Yes. Dr. Zackary Franzen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zackary Franzen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.