Internal Medicine · Howell, MI
NPI
1275590119
Since 2006
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
1225 W Grand River Ave Ste 300
Howell, MI, 48843
Phone (517) 548-0010
Groups this clinician bills Medicare through
Medicare paid, 2024
$157K
2,768 services
Medicare patients, 2024
644
Average age 77
Drug cost, 2024
$2.0M
36,068 prescriptions
Company payments, 2025
$953
From 22 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by John C Vassallo was code 99214 (office e&m - established), 522 times for 230 patients. In total John C Vassallo billed 2,768 services in 47 codes, and Medicare paid $157K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-05-11.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 522 | 230 | $78.03 | $41K |
| 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 | 408 | 202 | $11.42 | $4,658 |
| 99213 Office E&M - Established | Office | 217 | 144 | $54.95 | $12K |
| 99306 SNF E&M | Facility | 205 | 181 | $127.94 | $26K |
| 99308 SNF E&M | Facility | 172 | 103 | $43.19 | $7,428 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 152 | 152 | $122.79 | $19K |
| 99305 SNF E&M | Facility | 128 | 113 | $92.12 | $12K |
| 99309 SNF E&M | Facility | 108 | 61 | $75.55 | $8,159 |
| 83036 Blood Count | Office | 56 | 44 | $9.40 | $526 |
| 99215 Office E&M - Established | Office | 53 | 47 | $122.29 | $6,481 |
| G0444 Annual depression screening, 5 to 15 minutes | Office | 48 | 48 | $17.50 | $840 |
| 99304 SNF E&M | Facility | 38 | 35 | $51.29 | $1,949 |
| 99307 SNF E&M | Facility | 30 | 23 | $20.45 | $614 |
| 81002 Clinical Chemistry | Office | 30 | 21 | $3.41 | $102 |
| 99495 Chronic, Principal, and Transitional Care Management | Office | 24 | 19 | $148.54 | $3,565 |
By year: 2022 $153K for 2,159 services; 2023 $149K for 2,035 services; 2024 $157K for 2,768 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 83036 Blood Count | 56 | 44 | $9.40 | $526 |
| 81002 Clinical Chemistry | 30 | 21 | $3.41 | $102 |
Medicare prescription drug claims, 2024
In 2024, the drug John C Vassallo prescribed most often to Medicare patients was Atorvastatin Calcium, with 2,608 prescriptions and refills. In total John C Vassallo wrote 36,068 Medicare prescriptions that cost $2.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 2,608 | 3,426 | 292 | $22K |
| Levothyroxine Sodium Generic | 1,583 | 2,015 | 162 | $11K |
| Furosemide Generic | 1,216 | 1,397 | 117 | $5,500 |
| Eliquis Apixaban | 1,100 | 1,243 | 99 | $316K |
| Lisinopril Generic | 994 | 1,525 | 160 | $6,232 |
| Amlodipine Besylate Generic | 961 | 1,239 | 119 | $5,452 |
| Gabapentin Generic | 944 | 1,008 | 88 | $9,088 |
| Metoprolol Succinate Generic | 855 | 1,052 | 84 | $7,997 |
| Tamsulosin Hcl Generic | 782 | 959 | 75 | $7,749 |
| Metformin Hcl Generic | 744 | 1,016 | 88 | $4,214 |
| Metoprolol Tartrate Generic | 669 | 802 | 60 | $2,733 |
| Duloxetine Hcl Generic | 656 | 696 | 41 | $8,389 |
| Losartan Potassium Generic | 612 | 952 | 102 | $5,338 |
| Pantoprazole Sodium Generic | 603 | 689 | 63 | $5,642 |
| Sertraline Hcl Generic | 586 | 636 | 46 | $4,805 |
Brand drugs: 4,853 claims; generic drugs: 30,970 claims; opioid claims: 641.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid John C Vassallo $953 ($953 in general payments such as food, travel and fees) from 22 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $234.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 13 | $234 |
| Pfizer Inc. PFE | 5 | $90.18 |
| Novo Nordisk Inc NVO | 5 | $82.17 |
| Lilly USA, LLC LLY | 3 | $57.72 |
| Aimmune Therapeutics, Inc. | 2 | $47.48 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) JNJ | 2 | $45.05 |
| Abbvie Inc. ABBV | 2 | $41.52 |
| GlaxoSmithKline, LLC. GSK | 2 | $39.66 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 2 | $39.6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $33.73 |
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.