Doctor profile · Federal record
Dr. Alison Mercier, MD
Geriatric Medicine (Family Medicine) Physician (CMS: Family Practice) · Lancaster, PA
- NPI 1811481997
- Accepts Medicare
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2112 Harrisburg Pike, Ste 312
Lancaster, PA 176012644
(802) 999-6433
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207QG0300X — NUCC code
- State license (1)
- Pennsylvania #MD486393
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811481997. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
551
Distinct HCPCS
8
Medicare allowed
$53,427
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 235 | 134 | $94 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 132 | 42 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 47 | 38 | $64 | |
99310 |
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 43 | 25 | $148 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 36 | 21 | $72 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 24 | 24 | $126 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 19 | 18 | $8 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 15 | 15 | $176 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 64. This provider delivers 8.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
792
Patients
282
Total drug cost
$44,234
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 97 | 35 | $898 |
| Atorvastatin Calcium | Generic | 91 | 39 | $1,579 |
| Amlodipine Besylate | Generic | 64 | 23 | $726 |
| Levothyroxine Sodium | Generic | 60 | 25 | $1,334 |
| Gabapentin | Generic | 59 | 18 | $1,519 |
| Metoprolol Succinate | Generic | 57 | 22 | $1,256 |
| Furosemide | Generic | 50 | 16 | $379 |
| Escitalopram Oxalate | Generic | 46 | 13 | $470 |
| Hydrochlorothiazide | Generic | 45 | 18 | $268 |
| Losartan Potassium | Generic | 40 | 18 | $610 |
Hospital affiliations
Frequently asked questions
What is Dr. Alison Mercier's medical specialty?
Dr. Alison Mercier practices Geriatric Medicine (Family Medicine) Physician in Lancaster, PA.
Where does Dr. Alison Mercier practice?
Dr. Alison Mercier practices at 2112 Harrisburg Pike, Lancaster, PA 176012644. Office phone: 8029996433.
What is Dr. Alison Mercier's NPI?
Dr. Alison Mercier's National Provider Identifier (NPI) is 1811481997, issued by NPPES.
Does Dr. Alison Mercier accept Medicare assignment?
Yes. Dr. Alison Mercier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alison Mercier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.