Physician Assistant · Old Saybrook, CT
NPI
1033426200
Since 2010
Specialty
Physician Assistant
Code 363A00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
455 Boston Post Rd Ste 10
Old Saybrook, CT, 06475
Phone (860) 388-9799
Groups this clinician bills Medicare through
Medicare paid, 2024
$57K
1,154 services
Medicare patients, 2024
290
Average age 75
Drug cost, 2024
$114K
771 prescriptions
Company payments, 2025
$144
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Brittany Giammalvo was code 99214 (office e&m - established), 272 times for 191 patients. In total Brittany Giammalvo billed 1,154 services in 23 codes, and Medicare paid $57K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-05-27.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 272 | 191 | $80.32 | $22K |
| 17003 Destruction Skin Lesion | Office | 240 | 63 | $4.50 | $1,080 |
| 99213 Office E&M - Established | Office | 159 | 119 | $52.64 | $8,370 |
| 11102 Skin Biopsy | Office | 141 | 116 | $63.72 | $8,984 |
| 17000 Destruction Skin Lesion | Office | 124 | 97 | $41.42 | $5,137 |
| 11103 Skin Biopsy | Office | 77 | 45 | $35.27 | $2,716 |
| 17110 Destruction Skin Lesion | Office | 54 | 40 | $73.85 | $3,988 |
| 99212 Office E&M - Established | Office | 27 | 25 | $32.44 | $876 |
| 99204 Office E&M - New | Office | 23 | 23 | $78.11 | $1,797 |
By year: 2022 $47K for 997 services; 2023 $60K for 1,185 services; 2024 $57K for 1,154 services.
Medicare prescription drug claims, 2024
In 2024, the drug Brittany Giammalvo prescribed most often to Medicare patients was Ketoconazole, with 124 prescriptions and refills. In total Brittany Giammalvo wrote 771 Medicare prescriptions that cost $114K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Ketoconazole Generic | 124 | 128 | 79 | $2,622 |
| Metronidazole Generic | 106 | 138 | 62 | $3,993 |
| Fluorouracil Generic | 71 | 71 | 69 | $3,411 |
| Triamcinolone Acetonide Generic | 61 | 61 | 43 | $318 |
| Betamethasone Dipropionate Generic | 44 | 44 | 28 | $1,255 |
| Doxycycline Hyclate Generic | 42 | 90 | 22 | $1,382 |
| Calcipotriene Generic | 39 | 42 | 39 | $4,404 |
| Mupirocin Generic | 38 | 38 | 35 | $266 |
| Betamethasone Valerate Generic | 35 | 35 | 35 | $401 |
| Doxycycline Ir-Dr Doxycycline Monohydrate | 23 | 41 | Under 11 | $23K |
| Valacyclovir Valacyclovir Hcl | 18 | 18 | 13 | $128 |
| Tacrolimus Generic | 16 | 16 | 11 | $1,529 |
| Clobetasol Propionate Generic | 14 | 15 | 13 | $355 |
| Dupixent Pen Dupilumab | 13 | 13 | Under 11 | $49K |
| Cephalexin Generic | 11 | 11 | Under 11 | $81.03 |
Brand drugs: 113 claims; generic drugs: 658 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Brittany Giammalvo $144 ($144 in general payments such as food, travel and fees) from 1 company. The largest payer was Janssen Biotech, Inc. with $144.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 6 | $144 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.