Doctor profile · Federal record
Dr. Isaac Annan, MD
Neurology Physician (CMS: Neurology) · Specialist · Neuromuscular Medicine (Psychiatry & Neurology) Physician · Neurology Physician · Neurology Physician · Neurology Physician · Macon, GA
- NPI 1336112234
- Accepts Medicare
- 32 yrs in practice
- Licensed in 5 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
350 Hospital Dr
Macon, GA 312173838
(470) 788-1010 - Additional location
-
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300 - Additional location
-
3200 E Racine St
Janesville, WI 535462343
(608) 371-8000
fax (608) 371-8943 - Additional location
-
640 E Oregon RD
Lititz, PA 175439202
(717) 569-8773
fax (717) 735-7992 - Mailing address
-
640 E Oregon RD
Lititz, PA 175439202
Show 1 more location
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- December 1, 2023
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State licenses (5)
- Georgia #71744 · Illinois #036111711 · Wisconsin #66643 · Minnesota #68470 · Pennsylvania #MD439984
- Medicaid
- WI #1336112234
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336112234. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
247
Distinct HCPCS
6
Medicare allowed
$32,309
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 99 | 49 | $114 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 51 | 51 | $164 | |
99291 |
Critical care, first 30-74 minutes | 37 | 26 | $205 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 24 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $124 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 13 | 11 | $53 |
In context: peer comparison
Among 4 peers in Macon Neurology Physician, average services per provider: 67. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$22
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $22.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
144
Patients
26
Total drug cost
$4,895
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 29 | 12 | $2,222 |
| Topiramate | Generic | 28 | 0 | $475 |
| Gabapentin | Generic | 26 | 14 | $772 |
| Donepezil Hcl | Generic | 18 | 0 | $175 |
| Primidone | Generic | 17 | 0 | $255 |
| Memantine Hcl | Generic | 14 | 0 | $898 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 12 | 0 | $99 |
Frequently asked questions
What is Dr. Isaac Annan's medical specialty?
Dr. Isaac Annan practices Neurology Physician in Macon, GA.
Where does Dr. Isaac Annan practice?
Dr. Isaac Annan practices at 350 Hospital Dr, Macon, GA 312173838. Office phone: 4707881010.
What is Dr. Isaac Annan's NPI?
Dr. Isaac Annan's National Provider Identifier (NPI) is 1336112234, issued by NPPES.
Does Dr. Isaac Annan accept Medicare assignment?
Yes. Dr. Isaac Annan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Annan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.