Doctor profile · Federal record
Dr. Colby Shirk, M. D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Chambersburg, PA
- NPI 1912935271
- Accepts Medicare
- 23 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
112 N 7Th St
Chambersburg, PA 172011720
(717) 267-7146
fax (717) 267-7728 - Additional location
-
112 North 7Th Street
Chambersburg, PA 172011700 - Additional location
-
500 University Dr, H043
Hershey, PA 170332360
(717) 531-6039
fax (717) 531-4587 - Additional location
-
501 E Main St
Waynesboro, PA 172682353
(717) 765-3400
Show 1 more location
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 13, 2020
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Pennsylvania #MD427340
- Medicaid
- PA #101648550
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912935271. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
547
Distinct HCPCS
3
Medicare allowed
$86,696
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 346 | 328 | $171 | |
99284 |
Emergency department visit with moderate level of medical decision making | 156 | 153 | $117 | |
99291 |
Critical care, first 30-74 minutes | 45 | 44 | $206 |
In context: peer comparison
Among 16 peers in this city , average services per provider: 142. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$42
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 1 | $21.39 | |
| Janssen Pharmaceuticals, Inc | 1 | $20.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
196
Patients
195
Total drug cost
$1,402
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diclofenac Sodium | Generic | 51 | 51 | $333 |
| Cephalexin | Generic | 36 | 36 | $248 |
| Oxycodone Hcl | Generic | 21 | 21 | $61 |
| Azithromycin | Generic | 18 | 18 | $78 |
| Ondansetron Hcl | Generic | 17 | 17 | $83 |
| Prednisone | Generic | 14 | 13 | $37 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 13 | 13 | $432 |
| Levofloxacin | Generic | 13 | 13 | $42 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 13 | $86 |
Hospital affiliations
Frequently asked questions
What is Dr. Colby Shirk's medical specialty?
Dr. Colby Shirk practices Emergency Medicine Physician in Chambersburg, PA.
Where does Dr. Colby Shirk practice?
Dr. Colby Shirk practices at 112 N 7Th St, Chambersburg, PA 172011720. Office phone: 7172677146.
What is Dr. Colby Shirk's NPI?
Dr. Colby Shirk's National Provider Identifier (NPI) is 1912935271, issued by NPPES.
Does Dr. Colby Shirk accept Medicare assignment?
Yes. Dr. Colby Shirk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colby Shirk commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.