Doctor profile · Federal record
Dr. Christopher Walker, NPC
Family Nurse Practitioner (CMS: Nurse Practitioner) · Parker, CO
- NPI 1023217866
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
12230 Lioness Way
Parker, CO 801345603
(720) 644-9355 - Additional location
-
43 West Main Street
Liberty, ME 04949
(207) 589-4509
fax (207) 589-3104
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- August 24, 2021
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Maine #R043823
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023217866. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
238
Distinct HCPCS
5
Medicare allowed
$13,172
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 124 | 75 | $78 | |
36415 |
Insertion of needle into vein for collection of blood sample | 72 | 56 | $8 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 15 | 15 | $12 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 15 | 14 | $105 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $96 |
In context: peer comparison
Among 18 peers in Parker Family Nurse Practitioner, average services per provider: 293. This provider delivers 0.8× the peer median.Open Payments
Industry payments received
All-time total
$293
Transactions
15
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $57.46 | |
| Pfizer INC. | 2 | $54.70 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $35.21 | |
| Amgen INC. | 2 | $34.71 | |
| Vanda Pharmaceuticals INC. | 1 | $33.40 | |
| Lilly USA, LLC | 2 | $30.98 | |
| Janssen Pharmaceuticals, INC | 1 | $16.38 | |
| Exact Sciences Corporation | 1 | $16.20 | |
| GlaxoSmithKline, LLC. | 1 | $13.55 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
633
Patients
239
Total drug cost
$31,079
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 86 | 43 | $1,091 |
| Levothyroxine Sodium | Generic | 74 | 32 | $1,285 |
| Metformin Hcl | Generic | 67 | 31 | $489 |
| Lisinopril | Generic | 66 | 30 | $505 |
| Losartan Potassium | Generic | 50 | 21 | $608 |
| Tamsulosin Hcl | Generic | 39 | 12 | $626 |
| Omeprazole | Generic | 36 | 18 | $503 |
| Furosemide | Generic | 32 | 0 | $328 |
| Gabapentin | Generic | 32 | 14 | $399 |
| Trazodone Hcl | Generic | 28 | 12 | $307 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Walker's medical specialty?
Dr. Christopher Walker practices Family Nurse Practitioner in Parker, CO.
Where does Dr. Christopher Walker practice?
Dr. Christopher Walker practices at 12230 Lioness Way, Parker, CO 801345603. Office phone: 7206449355.
What is Dr. Christopher Walker's NPI?
Dr. Christopher Walker's National Provider Identifier (NPI) is 1023217866, issued by NPPES.
Does Dr. Christopher Walker accept Medicare assignment?
Dr. Christopher Walker does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Christopher Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.