Physician Assistant · Princeton, NJ
NPI
1750400941
Since 2007
Specialty
Physician Assistant
Code 363A00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
601 Ewing St, Suite B-19
Princeton, NJ, 08540
Phone (609) 924-2230
Groups this clinician bills Medicare through
Medicare paid, 2024
$126K
4,904 services
Medicare patients, 2024
502
Average age 77
Drug cost, 2024
$522K
1,520 prescriptions
Company payments, 2025
$2,932
From 5 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Andrea D Barker was code J0585 (injection, onabotulinumtoxina, 1 unit), 3,290 times for 18 patients. In total Andrea D Barker billed 4,904 services in 33 codes, and Medicare paid $126K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2016-08-12.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0585 Injection, onabotulinumtoxina, 1 unit | Office | 3,290 | 18 | $4.99 | $16K |
| 99213 Office E&M - Established | Office | 354 | 232 | $60.92 | $22K |
| 99214 Office E&M - Established | Office | 339 | 253 | $87.61 | $30K |
| 81002 Clinical Chemistry | Office | 225 | 172 | $3.41 | $767 |
| 57150 Other Organ Systems | Office | 140 | 69 | $38.19 | $5,347 |
| 64566 Musculoskeletal | Office | 78 | 18 | $89.50 | $6,981 |
| 51798 Ultrasound - Nonspecific | Office | 74 | 68 | $10.10 | $748 |
| 99204 Office E&M - New | Office | 42 | 41 | $116.53 | $4,894 |
| 51729 Other Organ Systems | Office | 37 | 37 | $284.11 | $11K |
| A4562 Pessary, reusable, non rubber, any type | Office | 34 | 31 | $51.59 | $1,754 |
| 51797 Other Organ Systems | Office | 34 | 34 | $144.94 | $4,928 |
| 51784 Neurologic | Office | 32 | 32 | $24.02 | $769 |
| 57160 Other Organ Systems | Office | 27 | 26 | $52.62 | $1,421 |
| 52287 Cystourethroscopy | Office | 26 | 18 | $293.40 | $7,628 |
| 51741 Test - Miscellaneous | Office | 19 | 19 | $5.33 | $101 |
By year: 2022 $110K for 2,688 services; 2023 $108K for 3,018 services; 2024 $126K for 4,904 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 81002 Clinical Chemistry | 225 | 172 | $3.41 | $767 |
Medicare prescription drug claims, 2024
In 2024, the drug Andrea D Barker prescribed most often to Medicare patients was Gemtesa (Vibegron), with 295 prescriptions and refills. In total Andrea D Barker wrote 1,520 Medicare prescriptions that cost $522K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gemtesa Vibegron | 295 | 437 | 79 | $201K |
| Myrbetriq Mirabegron | 281 | 530 | 81 | $225K |
| Estradiol Generic | 241 | 691 | 126 | $16K |
| Methenamine Hippurate Generic | 141 | 242 | 36 | $11K |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 123 | 125 | 97 | $1,356 |
| Solifenacin Succinate Generic | 55 | 135 | 16 | $3,217 |
| Premarin Estrogens, Conjugated | 42 | 110 | 21 | $18K |
| Trospium Chloride Generic | 32 | 66 | 12 | $954 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 27 | 27 | 27 | $52.32 |
| Nitrofurantoin Nitrofurantoin Macrocrystal | 25 | 55 | Under 11 | $807 |
| Oxybutynin Chloride Er Oxybutynin Chloride | 22 | 54 | Under 11 | $493 |
| Estring Estradiol | 22 | 66 | 11 | $12K |
| Osphena Ospemifene | 19 | 49 | Under 11 | $11K |
| Clotrimazole-Betamethasone Clotrimazole/Betamethasone Dip | 19 | 21 | 14 | $361 |
| Mirabegron Er Mirabegron | 19 | 31 | Under 11 | $11K |
Brand drugs: - claims; generic drugs: 810 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Andrea D Barker $2,932 ($2,932 in general payments such as food, travel and fees) from 5 companies. The largest payer was Abbvie Inc. with $2,511.
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.