Doctor profile · Federal record
Dr. Andrew Walker, MD
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Camp Hill, PA
- NPI 1639198559
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
431 N 21St St
Camp Hill, PA 170112202
(717) 763-3730
fax (717) 763-3734 - Mailing address
-
100 N Academy Ave
Danville, PA 178224093
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- August 11, 2020
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Pennsylvania #MD056746L
- Medicaid
- PA #001844611
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639198559. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
131
Distinct HCPCS
3
Medicare allowed
$14,996
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 74 | 74 | $124 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 45 | 45 | $87 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $161 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 127. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
253
Patients
245
Total drug cost
$5,562
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 99 | 96 | $414 |
| Atovaquone-Proguanil Hcl (Atovaquone/Proguanil Hcl) | Brand | 47 | 45 | $3,493 |
| Methylprednisolone | Generic | 21 | 20 | $172 |
| Nitrofurantoin (Nitrofurantoin Macrocrystal) | Brand | 21 | 20 | $548 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 20 | 20 | $520 |
| Cephalexin | Generic | 18 | 18 | $110 |
| Doxycycline Hyclate | Generic | 16 | 15 | $268 |
| Ibuprofen | Generic | 11 | 11 | $38 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew Walker's medical specialty?
Dr. Andrew Walker practices Internal Medicine Physician in Camp Hill, PA.
Where does Dr. Andrew Walker practice?
Dr. Andrew Walker practices at 431 N 21St St, Camp Hill, PA 170112202. Office phone: 7177633730.
What is Dr. Andrew Walker's NPI?
Dr. Andrew Walker's National Provider Identifier (NPI) is 1639198559, issued by NPPES.
Does Dr. Andrew Walker accept Medicare assignment?
Yes. Dr. Andrew Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Walker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.