Doctor profile · Federal record
Dr. Margaret Gruarin, PA-C
Physician Assistant · Buffalo, NY
- NPI 1518341882
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Elm and Carlton Streets
Buffalo, NY 142630001
(716) 845-2300
fax (716) 845-7608 - Mailing address
-
Elm and Carlton St
Buffalo, NY 142630001
Credentials & registration
- NPI registered
- July 2015 — 11 yrs on file
- Profile last updated
- January 13, 2021
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- New York #018801
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518341882. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
116
Distinct HCPCS
4
Medicare allowed
$8,321
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 29 | $80 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 35 | 31 | $54 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 18 | $54 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 14 | $117 |
In context: peer comparison
Among 128 peers in Buffalo Physician Assistant, average services per provider: 61. This provider delivers 1.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
159
Patients
18
Total drug cost
$199,932
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 56 | 18 | $763 |
| Duloxetine Hcl | Generic | 24 | 0 | $249 |
| Tamoxifen Citrate | Generic | 18 | 0 | $268 |
| Anastrozole | Generic | 15 | 0 | $104 |
| Dexamethasone | Generic | 12 | 0 | $350 |
| Lynparza (Olaparib) | Brand | 12 | 0 | $190,654 |
| Eliquis (Apixaban) | Brand | 11 | 0 | $7,293 |
| Megestrol Acetate | Generic | 11 | 0 | $250 |
Frequently asked questions
What is Dr. Margaret Gruarin's medical specialty?
Dr. Margaret Gruarin practices Physician Assistant in Buffalo, NY.
Where does Dr. Margaret Gruarin practice?
Dr. Margaret Gruarin practices at Elm and Carlton Streets, Buffalo, NY 142630001. Office phone: 7168452300.
What is Dr. Margaret Gruarin's NPI?
Dr. Margaret Gruarin's National Provider Identifier (NPI) is 1518341882, issued by NPPES.
Does Dr. Margaret Gruarin accept Medicare assignment?
Yes. Dr. Margaret Gruarin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Gruarin 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.