Doctor profile · Federal record
Dr. Nathan Zwagerman, M.D.
Neurological Surgery Physician (CMS: Neurosurgery) · Milwaukee, WI
- NPI 1689970543
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-5400
fax (414) 955-0115
Credentials & registration
- NPI registered
- February 2011 — 15 yrs on file
- Profile last updated
- October 5, 2018
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- Wisconsin #66696
- Medicaid
- WI #1689970543
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689970543. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
410
Distinct HCPCS
10
Medicare allowed
$51,173
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 73 | 69 | $33 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 53 | 41 | $33 | |
61781 |
Computer-assisted procedure inside brain | 48 | 44 | $197 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 36 | $62 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 31 | 31 | $77 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 29 | 29 | $45 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 25 | 24 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 24 | 24 | $122 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 22 | $92 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $120 |
In context: peer comparison
Among 13 peers in Milwaukee Neurological Surgery Physician, average services per provider: 23. This provider delivers 18× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Nathan Zwagerman's medical specialty?
Dr. Nathan Zwagerman practices Neurological Surgery Physician in Milwaukee, WI.
Where does Dr. Nathan Zwagerman practice?
Dr. Nathan Zwagerman practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148055400.
What is Dr. Nathan Zwagerman's NPI?
Dr. Nathan Zwagerman's National Provider Identifier (NPI) is 1689970543, issued by NPPES.
Does Dr. Nathan Zwagerman accept Medicare assignment?
Yes. Dr. Nathan Zwagerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Zwagerman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Telephone medical discussion with physician (HCPCS 99441); Computer-assisted procedure inside brain (HCPCS 61781). Source: CMS Medicare Physician & Other Practitioners file.