Internal Medicine, Endocrinology, Diabetes, & Metabolism · Tucson, AZ
NPI
1164457339
Since 2006
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
5910 N la Cholla Blvd
Tucson, AZ, 85741
Phone (520) 297-0404
Groups this clinician bills Medicare through
Medicare paid, 2024
$245K
3,527 services
Medicare patients, 2024
1,449
Average age 74
Drug cost, 2024
$5.4M
3,853 prescriptions
Company payments, 2025
$65.43
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David Alster was code 99214 (office e&m - established), 1,853 times for 1,067 patients. In total David Alster billed 3,527 services in 24 codes, and Medicare paid $245K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-10-22.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,853 | 1,067 | $86.23 | $160K |
| 95251 Test - Miscellaneous | Office | 641 | 320 | $24.99 | $16K |
| 99213 Office E&M - Established | Office | 396 | 299 | $63.54 | $25K |
| 99204 Office E&M - New | Office | 219 | 219 | $107.97 | $24K |
| 76536 Ultrasound - Nonspecific | Office | 99 | 99 | $73.75 | $7,302 |
| 96372 Injection Administration | Office | 81 | 14 | $10.33 | $837 |
| 99203 Office E&M - New | Office | 51 | 51 | $66.81 | $3,407 |
| 10005 Other Organ Systems | Office | 22 | 22 | $91.71 | $2,018 |
| 92250 Angiography | Office | 21 | 21 | $29.26 | $614 |
| 99215 Office E&M - Established | Office | 20 | 20 | $128.16 | $2,563 |
By year: 2022 $149K for 2,190 services; 2023 $248K for 3,265 services; 2024 $245K for 3,527 services.
Medicare prescription drug claims, 2024
In 2024, the drug David Alster prescribed most often to Medicare patients was Levothyroxine Sodium, with 847 prescriptions and refills. In total David Alster wrote 3,853 Medicare prescriptions that cost $5.4M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Levothyroxine Sodium Generic | 847 | 2,398 | 268 | $7,944 |
| Methimazole Generic | 306 | 808 | 96 | $2,413 |
| Synthroid Levothyroxine Sodium | 157 | 430 | 44 | $13K |
| Testosterone Cypionate Generic | 153 | 224 | 39 | $4,433 |
| Metformin Hcl Generic | 142 | 401 | 49 | $1,110 |
| Liothyronine Sodium Generic | 100 | 300 | 30 | $4,128 |
| Atorvastatin Calcium Generic | 90 | 268 | 28 | $949 |
| Ozempic Semaglutide | 87 | 196 | 26 | $182K |
| Jardiance Empagliflozin | 65 | 164 | 26 | $88K |
| Hydrocortisone Generic | 64 | 162 | 21 | $3,296 |
| Trulicity Dulaglutide | 62 | 95 | 18 | $91K |
| Calcitriol Generic | 59 | 117 | 14 | $1,468 |
| Lisinopril Generic | 57 | 175 | 19 | $561 |
| Rosuvastatin Calcium Generic | 57 | 175 | 18 | $631 |
| Lantus Insulin Glargine,hum.Rec.Anlog | 55 | 106 | 18 | $8,846 |
Brand drugs: 1,393 claims; generic drugs: 2,313 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David Alster $65.43 ($65.43 in general payments such as food, travel and fees) from 4 companies. The largest payer was Amgen Inc. with $18.13.
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.