NPPES file of Aug 9, 2026

John Mark Zehr, MD

Family Medicine Physician · Cedar Falls, IA

John Mark Zehr, MD is a family medicine physician with a practice address in Cedar Falls, Iowa, and NPI 1184797888, issued on Nov 17, 2006. Check the license (Iowa 27725, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184797888
Name
John Mark Zehr
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
27725 IA
Self-reported in NPPES; status is on the state search
Practice location
1227 W 27TH St, Cedar Falls, IA 50614
Phone
(319) 273-2009
Enumerated
Nov 17, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(319) 273-7030
Medicaid ID
7058099 IA
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 1227 W 27TH St

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

  1. Andrew Batovsky, NPPsychiatric/Mental Health Nurse Practitioner1518253624
  2. Cathryn BaumgartnerSocial Worker1134047319
  3. Sydney Butler, ATCAthletic Trainer1881106821
  4. Carrie Hollerud, MSN, RNRegistered Nurse1306680962
  5. Caleb HolthausAthletic Trainer1598688350
  6. Aaron KrejciAthletic Trainer1063873693

Verify John Mark Zehr in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 27725
    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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97% fewer Medicare Part D claims than the average family medicine physician in 2024

119 Medicare Part D claims for 88 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 32 claims were for opioids.

  1. John Zehr119
  2. Specialty average3,544

Most prescribed

  1. Oxycodone Hcl12 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.

John Mark Zehr among 2,336 family medicine physician records in Iowa

John Mark Zehr, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 48% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 family medicine physician records list a practice address in Cedar Falls

They are 38 of the 633 NPPES records with a practice address in Cedar Falls, and 2,336 family medicine physician records in Iowa.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lewis Harden, M.D.Cedar Falls, IA 506141407839525
  2. Martha Ochoa, M.D.Cedar Falls, IA 506141336122449
  3. Raja Ali Abdullah, MDCedar Falls, IA 506131356101000
  4. Dominic Allan, D.O.Cedar Falls, IA 506131083461024
  5. Brennen Godeen, DOCedar Falls, IA 506131790673440
  6. Tyler GrofCedar Falls, IA 506131639004682
  7. Mangyung Kandangwa, MDCedar Falls, IA 506131912826447
  8. Elizabeth Majewski, MDCedar Falls, IA 506131225665979

Common questions

What is John Mark Zehr, MD's NPI number?

John Mark Zehr, MD's National Provider Identifier (NPI) is 1184797888, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Mark Zehr, MD located?

The NPPES record lists a practice address at 1227 W 27TH St, Cedar Falls, IA, 50614. Phone: (319) 273-2009. Providers update this record themselves, so call before visiting.

How can I verify John Mark Zehr, MD's license?

NPPES lists Iowa license number 27725, 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 John Mark Zehr, MD prescribe under Medicare Part D?

In 2024, John Mark Zehr, MD had 119 Medicare Part D claims for 88 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.