Doctor profile · Federal record
Dr. William Zimmerman, D.O.
Neurocritical Care Physician (CMS: Critical Care (Intensivists)) · Neurology Physician · Maryville, TN
- NPI 1275997124
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
463 Bmh Physicians Office Bldg
Maryville, TN 378045807
(865) 980-5100
fax (865) 980-5105 - Additional location
-
907 E Lamar Alexander Pkwy
Maryville, TN 378045015 - Mailing address
-
300 E McBee Ave Fl 4
Greenville, SC 296012842
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- November 4, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 2084A2900X — NUCC code
- State license (1)
- Tennessee #5485
- Medicaid
- TN #Q089543
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275997124. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
71
Distinct HCPCS
2
Medicare allowed
$13,721
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 50 | 24 | $222 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 21 | 14 | $124 |
In context: peer comparison
Among 1 peers in Maryville Neurocritical Care Physician, average services per provider: 35. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$217
Transactions
7
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pulmonx Corporation | 1 | $99.26 | |
| Baxter Healthcare | 2 | $35.16 | |
| Ani Pharmaceuticals, INC. | 1 | $25.08 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $24.11 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $19.49 | |
| Regeneron Healthcare Solutions, INC. | 1 | $14.09 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. William Zimmerman's medical specialty?
Dr. William Zimmerman practices Neurocritical Care Physician in Maryville, TN.
Where does Dr. William Zimmerman practice?
Dr. William Zimmerman practices at 463 Bmh Physicians Office Bldg, Maryville, TN 378045807. Office phone: 8659805100.
What is Dr. William Zimmerman's NPI?
Dr. William Zimmerman's National Provider Identifier (NPI) is 1275997124, issued by NPPES.
Does Dr. William Zimmerman accept Medicare assignment?
Yes. Dr. William Zimmerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Zimmerman commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.