NPPES file of Aug 9, 2026

Dayna Cox, MD

Obstetrics & Gynecology Physician · South Bend, IN

Dayna Cox, MD is an obstetrics & gynecology physician with a practice address in South Bend, Indiana, and NPI 1144489790, issued on Jun 7, 2008. Check the license (Indiana 01071952A, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1144489790
Name
Dayna Cox
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
01071952A IN
Self-reported in NPPES; status is on the state search
Practice location
515 N Lafayette Blvd, South Bend, IN 46601
Phone
(574) 232-2037
Enumerated
Jun 7, 2008
Record last updated
Feb 26, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(574) 232-1420
Medicaid ID
201129970 IN
Medicare enrollment
Enrolled (PECOS I20130419000167); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2008
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 515 N Lafayette Blvd

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

  1. Mackenzie Austgen, M.D.Obstetrics & Gynecology Physician1477903391
  2. Jessica Basham, M.D.Obstetrics & Gynecology Physician1164764890
  3. Janelle Blickensderfer, D.O.Obstetrics & Gynecology Physician1477505543
  4. Daniel Czarnecki, M.D.Obstetrics & Gynecology Physician1124224373
  5. Kierris DavisBehavior Technician1558209395
  6. Miranda DelaruelleBehavior Technician1811825482

Verify Dayna Cox in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01071952A
    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 Indiana 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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32% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

113 Medicare Part D claims for 39 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Dayna Cox113
  2. Specialty average165

Most prescribed

  1. Estradiol19 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.

Industry payments in 2024: $77.00

4 payments; by number, the most common kind was food and beverage; the largest payer was Molnlycke Health Care US, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dayna Cox$77.00
  2. Specialty average$1,030.61

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

Bills Medicare through one group practice

  1. The South Bend Clinic LLCGranger, IN

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

Dayna Cox among 894 obstetrics & gynecology physician records in Indiana

Dayna Cox, MD is one of 894 obstetrics & gynecology physician records with a practice address in Indiana. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.

  • NPI issued2008 · 62% of these records are older, 32% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2008 · median 2004 among the 591 with a school on file
  • Record last updated2015 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 obstetrics & gynecology physician records list a practice address in South Bend

They are 33 of the 3,178 NPPES records with a practice address in South Bend, and 894 obstetrics & gynecology physician records in Indiana.

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

  1. Janelle Blickensderfer, D.O.South Bend, IN 466011477505543
  2. Robert Crumb, M.D.South Bend, IN 466011376516732
  3. Edward Durbin, MDSouth Bend, IN 466011194715581
  4. Keim Houser, M.D.South Bend, IN 466011376597757
  5. Francis Hussey, MDSouth Bend, IN 466011902809213
  6. Douglas Macgregor, D.O.South Bend, IN 466011316999402
  7. Rebecca McKown, MDSouth Bend, IN 466011225000847
  8. Rhonda Miller, MDSouth Bend, IN 466011669431144

Common questions

What is Dayna Cox, MD's NPI number?

Dayna Cox, MD's National Provider Identifier (NPI) is 1144489790, issued on Jun 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Dayna Cox, MD located?

The NPPES record lists a practice address at 515 N Lafayette Blvd, South Bend, IN, 46601. Phone: (574) 232-2037. Providers update this record themselves, so call before visiting.

How can I verify Dayna Cox, MD's license?

NPPES lists Indiana license number 01071952A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dayna Cox, MD prescribe under Medicare Part D?

In 2024, Dayna Cox, MD had 113 Medicare Part D claims for 39 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.