Doctor profile · Federal record
Dr. Ferdinand Casis, MD,FACE
Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Green Bay, WI
- NPI 1841209806
- 20 yrs on file
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
720 S Vanburen St, Suite 104
Green Bay, WI 543013538
(920) 433-6050
fax (920) 433-6049 - Mailing address
-
Po Box 22487
Green Bay, WI 543052487
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 5, 2018
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Michigan #4301102839 · Wisconsin #47960
- Medicaid
- WI #34635100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841209806. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
285
Distinct HCPCS
4
Medicare allowed
$18,453
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 138 | 101 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 78 | 71 | $120 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 39 | 34 | $83 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 30 | 30 | $156 |
In context: peer comparison
Among 4 peers in Green Bay Endocrinology, Diabetes & Metabolism Physician, average services per provider: 52. This provider delivers 5.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,275
Patients
365
Total drug cost
$453,915
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 365 | 119 | $6,876 |
| Methimazole | Generic | 148 | 51 | $2,599 |
| Jardiance (Empagliflozin) | Brand | 111 | 29 | $123,417 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 107 | 40 | $106,907 |
| Metformin Hcl | Generic | 102 | 31 | $1,545 |
| Alendronate Sodium | Generic | 77 | 21 | $801 |
| Atorvastatin Calcium | Generic | 72 | 23 | $1,005 |
| Novolog Flexpen (Insulin Aspart) | Brand | 63 | 18 | $93,587 |
| Synthroid (Levothyroxine Sodium) | Brand | 42 | 14 | $3,651 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 40 | 19 | $65,046 |
Frequently asked questions
What is Dr. Ferdinand Casis's medical specialty?
Dr. Ferdinand Casis practices Endocrinology, Diabetes & Metabolism Physician in Green Bay, WI.
Where does Dr. Ferdinand Casis practice?
Dr. Ferdinand Casis practices at 720 S Vanburen St, Green Bay, WI 543013538. Office phone: 9204336050.
What is Dr. Ferdinand Casis's NPI?
Dr. Ferdinand Casis's National Provider Identifier (NPI) is 1841209806, issued by NPPES.
What procedures does Dr. Ferdinand Casis commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.