Doctor profile · Federal record
Dr. Marie McMillen, DO
Neurology Physician (CMS: Neurology) · Neurology Physician · Neurology Physician · Waterloo, IA
- NPI 1255712618
- Accepts Medicare
- 11 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2710 Saint Francis Dr Ste 201
Waterloo, IA 507025664
(319) 272-5000
fax (319) 272-6730 - Additional location
-
1501 N Campbell Ave
Tucson, AZ 857240001
(520) 626-3894 - Additional location
-
355 W 16Th St Ste 4700
Indianapolis, IN 46202
(317) 963-7419
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- December 14, 2020
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State licenses (3)
- Iowa #DO-05614 · Indiana #02005698B · Arizona #R2489
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255712618. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
420
Distinct HCPCS
8
Medicare allowed
$38,769
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 189 | 101 | $73 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 131 | 128 | $120 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 22 | $162 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 15 | $91 | |
95819 |
Measurement of brain wave activity (eeg), awake and asleep | 16 | 14 | $53 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 15 | 14 | $53 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 15 | 11 | $46 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $124 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 301. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 1 | $14.84 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Marie McMillen's medical specialty?
Dr. Marie McMillen practices Neurology Physician in Waterloo, IA.
Where does Dr. Marie McMillen practice?
Dr. Marie McMillen practices at 2710 Saint Francis Dr Ste 201, Waterloo, IA 507025664. Office phone: 3192725000.
What is Dr. Marie McMillen's NPI?
Dr. Marie McMillen's National Provider Identifier (NPI) is 1255712618, issued by NPPES.
Does Dr. Marie McMillen accept Medicare assignment?
Yes. Dr. Marie McMillen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marie McMillen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.