NPPES file of Aug 9, 2026

Casey C. Sager, M.D.

Obstetrics & Gynecology Physician · Escanaba, MI

Casey C. Sager, M.D. is an obstetrics & gynecology physician with a practice address in Escanaba, Michigan, and NPI 1831417450, issued on May 6, 2010. Check the license (Michigan 4301096682, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1831417450
Name
Casey C. Sager
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4301096682 MI
Self-reported in NPPES; status is on the state search
Practice location
3409 Ludington St, Escanaba, MI 49829
Phone
(906) 786-1356
Enumerated
May 6, 2010
Record last updated
Feb 23, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140529000379); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3409 Ludington St

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

  1. Maria Araullo-Nagano, MDFamily Medicine Physician1205845849
  2. James Boes, DOOrthopaedic Surgery Physician1154513570
  3. Grace Borkadi, PAPhysician Assistant1568471977
  4. Brandi Britton, PAPhysician Assistant1245249648
  5. Michael Degroot, MDObstetrics & Gynecology Physician1740390806
  6. Steven Dosh, MDInternal Medicine Physician1790794253

Verify Casey C. Sager in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301096682
    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 Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

38 Medicare Part D claims for 19 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Casey Sager38
  2. Specialty average165

Most prescribed

  1. Clobetasol Propionate14 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.

Bills Medicare through one group practice

  1. St Francis HospitalEscanaba, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Casey C. Sager among 1,776 obstetrics & gynecology physician records in Michigan

Casey C. Sager, M.D. is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.

  • NPI issued2010 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2010 · median 2007 among the 1,003 with a school on file
  • Record last updated2015 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Michigan

There are 1,776 obstetrics & gynecology physician records in Michigan.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Michael Czerkes, MDEscanaba, MI 498291083813703
  2. Michael Degroot, MDEscanaba, MI 498291740390806
  3. Kim Johnson, D.O.Escanaba, MI 498291922058361
  4. Andrew Atkinson, M.D.Ishpeming, MI 498491558768127
  5. Kimberly Baker-Dobos, D.O.Ishpeming, MI 498491457585671
  6. Kelly Menge, D.O.Ishpeming, MI 498491356546378
  7. Jorrie Houle, DOMarquette, MI 498551972532851
  8. Eric Jentoft, M.D.Marquette, MI 498551508077405

Common questions

What is Casey C. Sager, M.D.'s NPI number?

Casey C. Sager, M.D.'s National Provider Identifier (NPI) is 1831417450, issued on May 6, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Casey C. Sager, M.D. located?

The NPPES record lists a practice address at 3409 Ludington St, Escanaba, MI, 49829. Phone: (906) 786-1356. Providers update this record themselves, so call before visiting.

How can I verify Casey C. Sager, M.D.'s license?

NPPES lists Michigan license number 4301096682, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Casey C. Sager, M.D. prescribe under Medicare Part D?

In 2024, Casey C. Sager, M.D. had 38 Medicare Part D claims for 19 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.