NPPES file of Aug 9, 2026

Savannah Marker, DO

Family Medicine Physician · Winterset, IA

Savannah Marker, DO is a family medicine physician with a practice address in Winterset, Iowa, and NPI 1194392829, issued on Jun 10, 2021. Check the license (Iowa R-12187, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194392829
Name
Savannah Marker
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
R-12187 IA
Self-reported in NPPES; status is on the state search
Practice location
300 W Hutchings St, Winterset, IA 50273
Phone
(515) 462-2950
Enumerated
Jun 10, 2021
Record last updated
Nov 20, 2024
Fax
(515) 462-4371
Medicare enrollment
Enrolled (PECOS I20230801001673); accepts Medicare assignment
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 300 W Hutchings St

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

  1. Clarice Blanchard, PA-CPhysician Assistant1871605238
  2. Sherri Broadbent, DOFamily Medicine Physician1487766903
  3. Stephan Cooper, MDDiagnostic Radiology Physician1780796185
  4. Allan Faidley, LISWCounselor1336204205
  5. Teri Formanek, M.D.Orthopaedic Surgery Physician1982644993
  6. Kevin Gabbert, LISWClinical Social Worker1003812827

Verify Savannah Marker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license R-12187
    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 Iowa 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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79% fewer Medicare Part D claims than the average family medicine physician in 2024

729 Medicare Part D claims for 153 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 25 claims were for opioids.

  1. Savannah Marker729
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium36 claims
  2. Gabapentin26 claims
  3. Albuterol Sulfate Hfa25 claims
  4. Amlodipine Besylate25 claims
  5. Ozempic22 claims
  6. Lantus Solostar18 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 88.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.4
  2. Costout of 100 · 30%67.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $22.19

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Savannah Marker$22.19
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Broadlawns Medical CenterDes Moines, IA · Acute Care Hospitals3 of 5 stars
  2. Madison County Memorial HospitalWinterset, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

7 family medicine physician records list a practice address in Winterset

They are 7 of the 77 NPPES records with a practice address in Winterset, and 2,336 family medicine physician records in Iowa.

Other family medicine physician records in Iowa

  1. Jennifer Aanestad, M.D.Durant, IA1386649341
  2. Amjad Abdelhady, MDSioux City, IA1033966700
  3. Afsana Abdullah, D.O.Bettendorf, IA1760583066
  4. Raja Ali Abdullah, MDCedar Falls, IA1356101000
  5. Laura Abels, DOAnkeny, IA1427313527
  6. Matthew AbendrothDes Moines, IA1972918894
  7. Mabra Abernathy, M.D.Coralville, IA1316922545
  8. Jennifer Abler, D.O.Altoona, IA1528159068
  9. Michael Abouassaly, M.D.West Burlington, IA1184790909
  10. Safa Abukhalil, M.B.B.SWest Des Moines, IA1982084463

Common questions

What is Savannah Marker, DO's NPI number?

Savannah Marker, DO's National Provider Identifier (NPI) is 1194392829, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Savannah Marker, DO located?

The NPPES record lists a practice address at 300 W Hutchings St, Winterset, IA, 50273. Phone: (515) 462-2950. Providers update this record themselves, so call before visiting.

How can I verify Savannah Marker, DO's license?

NPPES lists Iowa license number R-12187, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Savannah Marker, DO prescribe under Medicare Part D?

In 2024, Savannah Marker, DO had 729 Medicare Part D claims for 153 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Savannah Marker, DO's MIPS final score?

The 2023 MIPS final score is 88.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.