Internal Medicine, Endocrinology, Diabetes, & Metabolism · Kalamazoo, MI
NPI
1326154329
Since 2006
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
2
Medicare group memberships
Hospitals
6
Hospital affiliations
1722 Shaffer St
Kalamazoo, MI, 49048
Phone (269) 226-8321
Groups this clinician bills Medicare through
Medicare paid, 2024
$26K
378 services
Medicare patients, 2024
228
Average age 70
Drug cost, 2024
$1.6M
6,943 prescriptions
Company payments, 2025
$785
From 13 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Craig P Greenberg was code 99214 (office e&m - established), 304 times for 197 patients. In total Craig P Greenberg billed 378 services in 7 codes, and Medicare paid $26K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2013-08-19.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 304 | 197 | $59.74 | $18K |
| 99215 Office E&M - Established | Office | 45 | 41 | $105.18 | $4,733 |
| 99205 Office E&M - New | Office | 23 | 23 | $117.05 | $2,692 |
By year: 2022 $35K for 530 services; 2023 $27K for 384 services; 2024 $26K for 378 services.
Medicare prescription drug claims, 2024
In 2024, the drug Craig P Greenberg prescribed most often to Medicare patients was Levothyroxine Sodium, with 1,002 prescriptions and refills. In total Craig P Greenberg wrote 6,943 Medicare prescriptions that cost $1.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Levothyroxine Sodium Generic | 1,002 | 2,657 | 262 | $14K |
| Atorvastatin Calcium Generic | 317 | 810 | 85 | $4,497 |
| Metformin Hcl Generic | 314 | 860 | 91 | $4,036 |
| Ozempic Semaglutide | 245 | 352 | 51 | $329K |
| Armour Thyroid Thyroid,pork | 201 | 429 | 38 | $14K |
| Glimepiride Generic | 198 | 460 | 52 | $3,907 |
| Methimazole Generic | 189 | 439 | 51 | $3,256 |
| Lantus Solostar Insulin Glargine,hum.Rec.Anlog | 189 | 488 | 63 | $49K |
| Lisinopril Generic | 150 | 360 | 38 | $1,111 |
| Metformin Hcl Er Metformin Hcl | 140 | 335 | 40 | $1,694 |
| Mounjaro Tirzepatide | 137 | 162 | 23 | $165K |
| Trulicity Dulaglutide | 135 | 207 | 33 | $197K |
| Gabapentin Generic | 131 | 241 | 37 | $2,354 |
| Jardiance Empagliflozin | 119 | 229 | 25 | $129K |
| Rosuvastatin Calcium Generic | 119 | 335 | 42 | $2,003 |
Brand drugs: 2,222 claims; generic drugs: 4,219 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Craig P Greenberg $785 ($785 in general payments such as food, travel and fees) from 13 companies. The largest payer was Amgen Inc. with $163.
| Company | Payments | Amount |
|---|---|---|
| Amgen Inc. AMGN | 11 | $163 |
| CeQur Corporation | 1 | $112 |
| Corcept Therapeutics CORT | 2 | $87.58 |
| Novo Nordisk Inc NVO | 4 | $85.92 |
| Neurocrine BioSciences, Inc. NBIX | 3 | $76.57 |
| Tandem Diabetes Care, Inc. TNDM | 4 | $71.82 |
| Insulet Corporation PODD | 2 | $46.13 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $30.48 |
| Radius Health, Inc. | 1 | $27.72 |
| Abbott Laboratories ABT | 1 | $23.71 |
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.