Doctor profile · Federal record
Dr. Fiona Gaunay, M.D.
Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Lancaster, PA
- NPI 1083904528
- Accepts Medicare
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2104 Harrisburg Pike Ste 200
Lancaster, PA 176012644
(717) 544-3626 - Additional location
-
350 E 17Th St, 16 Baird Hall
New York, NY 100033805
(212) 420-4340
fax (212) 844-1939
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- March 17, 2018
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- Pennsylvania #MD462642
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083904528. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
201
Distinct HCPCS
9
Medicare allowed
$24,955
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 32 | 32 | $103 | |
46600 |
Diagnostic exam of anus using an endoscope | 30 | 30 | $109 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 22 | $86 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 23 | 16 | $171 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 20 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 22 | $120 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $210 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 13 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 13 | 13 | $167 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 22. This provider delivers 9.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
81
Patients
78
Total drug cost
$2,010
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 30 | 29 | $150 |
| Erythromycin (Erythromycin Base) | Brand | 26 | 25 | $1,733 |
| Neomycin Sulfate | Generic | 25 | 24 | $126 |
Hospital affiliations
Frequently asked questions
What is Dr. Fiona Gaunay's medical specialty?
Dr. Fiona Gaunay practices Colon & Rectal Surgery Physician in Lancaster, PA.
Where does Dr. Fiona Gaunay practice?
Dr. Fiona Gaunay practices at 2104 Harrisburg Pike Ste 200, Lancaster, PA 176012644. Office phone: 7175443626.
What is Dr. Fiona Gaunay's NPI?
Dr. Fiona Gaunay's National Provider Identifier (NPI) is 1083904528, issued by NPPES.
Does Dr. Fiona Gaunay accept Medicare assignment?
Yes. Dr. Fiona Gaunay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fiona Gaunay commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Diagnostic exam of anus using an endoscope (HCPCS 46600); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.