NPPES file of Aug 9, 2026

Ferdinand C. Casis, MD,FACE

Endocrinology, Diabetes & Metabolism Physician · Green Bay, WI

Ferdinand C. Casis, MD,FACE is an endocrinology, diabetes & metabolism physician with a practice address in Green Bay, Wisconsin, and NPI 1841209806, issued on Aug 7, 2006. Check the license (Wisconsin 47960, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841209806
Name
Ferdinand C. Casis
Credential
MD,FACE
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
47960 WI
4301102839 MI
Self-reported in NPPES; status is on the state search
Practice location
720 S Vanburen St, Green Bay, WI 54301
Phone
(920) 433-6050
Enumerated
Aug 7, 2006
Record last updated
Sep 5, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(920) 433-6049
Medicaid ID
34635100 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 720 S Vanburen St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carmen Anderson, APNPFamily Nurse Practitioner1255683850
  2. Cheryl Bailey, M.D.Obstetrics & Gynecology Physician1083682876
  3. Namratta Burmeister, DOObstetrics & Gynecology Physician1336634625
  4. Yoon Chun, MDObstetrics & Gynecology Physician1518046499
  5. Nicholas Coorough, M.D.Surgery Physician1689010118
  6. Jennifer Cumicek, APNPFamily Nurse Practitioner1285181818

Verify Ferdinand C. Casis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 47960
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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96% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

103 Medicare Part D claims for 51 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Ferdinand Casis103
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium20 claims
  2. Metformin Hcl16 claims
  3. Sertraline Hcl13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Ferdinand C. Casis among 187 endocrinology, diabetes & metabolism physician records in Wisconsin

Ferdinand C. Casis, MD,FACE is one of 187 endocrinology, diabetes & metabolism physician records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2018 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Wisconsin

There are 187 endocrinology, diabetes & metabolism physician records in Wisconsin.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Pamela Baeten, M.D.Green Bay, WI 543011932102787
  2. Victor Compres Matos, M.D.Green Bay, WI 543011164872990
  3. Francisco Cruz, MDGreen Bay, WI 543011184605339
  4. Jennifer Cunningham, MDGreen Bay, WI 543011790771962
  5. Victor Adalbert De Villa, M.D.Green Bay, WI 543011043485139
  6. Benson Richardson, M.D.Green Bay, WI 543011760852677
  7. Maria Fernandez Manrique, MDGreen Bay, WI 543031447816103
  8. Gayle Kasdorf, M.D.Green Bay, WI 543031629071485

Common questions

What is Ferdinand C. Casis, MD,FACE's NPI number?

Ferdinand C. Casis, MD,FACE's National Provider Identifier (NPI) is 1841209806, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ferdinand C. Casis, MD,FACE located?

The NPPES record lists a practice address at 720 S Vanburen St, Green Bay, WI, 54301. Phone: (920) 433-6050. Providers update this record themselves, so call before visiting.

How can I verify Ferdinand C. Casis, MD,FACE's license?

NPPES lists Wisconsin license number 47960, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ferdinand C. Casis, MD,FACE prescribe under Medicare Part D?

In 2024, Ferdinand C. Casis, MD,FACE had 103 Medicare Part D claims for 51 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.