Doctor profile · Federal record
Dr. Nathan Walker, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Champaign, IL
- NPI 1629087325
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1801 W Windsor RD
Champaign, IL 618226217
(217) 366-2660
fax (217) 366-6106 - Mailing address
-
101 W University Ave
Champaign, IL 618203909
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 5, 2022
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-114466
- Medicaid
- IL #1629087325 1
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629087325. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,048
Distinct HCPCS
10
Medicare allowed
$323,215
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 1,860 | 21 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,065 | 505 | $124 | |
36415 |
Insertion of needle into vein for collection of blood sample | 746 | 423 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 643 | 417 | $10 | |
83036 |
Hemoglobin a1c level | 509 | 377 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 502 | 398 | $8 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 399 | 364 | $16 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 392 | 372 | $13 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 371 | 238 | $87 | |
82306 |
Vitamin d-3 level | 355 | 317 | $29 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 180. This provider delivers 50× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Kowa Pharmaceuticals America, Inc. | 1 | $20.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
6,742
Patients
1,856
Total drug cost
$119,963
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,051 | 289 | $18,187 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 786 | 136 | $20,569 |
| Levothyroxine Sodium | Generic | 690 | 183 | $14,312 |
| Lisinopril | Generic | 631 | 184 | $7,605 |
| Amlodipine Besylate | Generic | 564 | 175 | $7,522 |
| Losartan Potassium | Generic | 408 | 119 | $7,955 |
| Hydrochlorothiazide | Generic | 359 | 106 | $2,484 |
| Omeprazole | Generic | 340 | 99 | $5,993 |
| Metformin Hcl | Generic | 334 | 104 | $4,903 |
| Metoprolol Succinate | Generic | 317 | 90 | $6,886 |
Frequently asked questions
What is Dr. Nathan Walker's medical specialty?
Dr. Nathan Walker practices Internal Medicine Physician in Champaign, IL.
Where does Dr. Nathan Walker practice?
Dr. Nathan Walker practices at 1801 W Windsor RD, Champaign, IL 618226217. Office phone: 2173662660.
What is Dr. Nathan Walker's NPI?
Dr. Nathan Walker's National Provider Identifier (NPI) is 1629087325, issued by NPPES.
Does Dr. Nathan Walker accept Medicare assignment?
Yes. Dr. Nathan Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Walker commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.