Family Practice · San Jose, CA
NPI
1689762205
Since 2006
Specialty
Family Practice
Code 174400000X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
295 Oconnor Dr
San Jose, CA, 95128
Phone (408) 279-0548
Groups this clinician bills Medicare through
Medicare paid, 2024
$172K
2,040 services
Medicare patients, 2024
269
Average age 77
Drug cost, 2024
$2.2M
10,630 prescriptions
Company payments, 2025
$4,389
From 40 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David A Cahn was code 99214 (office e&m - established), 1,150 times for 257 patients. In total David A Cahn billed 2,040 services in 36 codes, and Medicare paid $172K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,150 | 257 | $112.86 | $130K |
| 96372 Injection Administration | Office | 180 | 20 | $13.34 | $2,401 |
| G0008 Administration of influenza virus vaccine | Office | 97 | 95 | $39.07 | $3,790 |
| 90653 Vaccine Product | Office | 88 | 87 | $81.82 | $7,200 |
| 99490 Chronic, Principal, and Transitional Care Management | Office | 51 | 22 | $60.41 | $3,081 |
| G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | Office | 44 | 25 | $94.02 | $4,137 |
| 93000 Electrocardiogram | Office | 40 | 39 | $12.39 | $496 |
| 99439 Chronic, Principal, and Transitional Care Management | Office | 24 | 14 | $46.94 | $1,127 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 22 | 22 | $158.50 | $3,487 |
| 99487 Chronic, Principal, and Transitional Care Management | Office | 16 | 11 | $118.78 | $1,900 |
| 99496 Chronic, Principal, and Transitional Care Management | Office | 16 | 13 | $264.27 | $4,228 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 15 | 14 | $15.08 | $226 |
| 99215 Office E&M - Established | Office | 11 | 11 | $168.96 | $1,859 |
By year: 2022 $209K for 2,388 services; 2023 $157K for 1,839 services; 2024 $172K for 2,040 services.
Medicare prescription drug claims, 2024
In 2024, the drug David A Cahn prescribed most often to Medicare patients was Atorvastatin Calcium, with 455 prescriptions and refills. In total David A Cahn wrote 10,630 Medicare prescriptions that cost $2.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 455 | 1,284 | 129 | $4,652 |
| Rosuvastatin Calcium Generic | 380 | 1,094 | 117 | $8,828 |
| Levothyroxine Sodium Generic | 313 | 902 | 93 | $4,477 |
| Losartan Potassium Generic | 251 | 627 | 67 | $2,568 |
| Metformin Hcl Er Metformin Hcl | 244 | 687 | 72 | $2,328 |
| Repatha Sureclick Evolocumab | 233 | 422 | 50 | $237K |
| Duloxetine Hcl Generic | 230 | 410 | 48 | $9,803 |
| Amlodipine Besylate Generic | 220 | 571 | 67 | $1,336 |
| Potassium Chloride Generic | 210 | 470 | 53 | $4,104 |
| Pantoprazole Sodium Generic | 209 | 548 | 56 | $3,472 |
| Ozempic Semaglutide | 198 | 281 | 40 | $241K |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 192 | 192 | 43 | $5,858 |
| Gabapentin Generic | 172 | 273 | 43 | $2,530 |
| Tamsulosin Hcl Generic | 166 | 435 | 51 | $3,447 |
| Alprazolam Generic | 155 | 157 | 28 | $1,167 |
Brand drugs: 2,227 claims; generic drugs: 8,324 claims; opioid claims: 495.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David A Cahn $4,389 ($4,389 in general payments such as food, travel and fees) from 40 companies. The largest payer was Abbvie Inc. with $623.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 47 | $623 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) JNJ | 18 | $379 |
| Pfizer Inc. PFE | 14 | $307 |
| GlaxoSmithKline, LLC. GSK | 13 | $289 |
| Novo Nordisk Inc NVO | 15 | $276 |
| AstraZeneca Pharmaceuticals LP AZN | 4 | $233 |
| Axsome Therapeutics, Inc. AXSM | 9 | $217 |
| Amgen Inc. AMGN | 13 | $215 |
| Radius Health, Inc. | 10 | $209 |
| Lilly USA, LLC LLY | 14 | $158 |
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.