Matthew A. Nash, MD
Obstetrics & Gynecology Physician · South Bend, IN
Matthew A. Nash, MD is an obstetrics & gynecology physician with a practice address in South Bend, Indiana, and NPI 1740257930, issued on Mar 7, 2006. Check the license (Indiana 01086723A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Matthew A. Nash
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 01086723A IN
336054761 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Navarre PL Ste 4470, South Bend, IN 46601
- Phone
- (574) 647-1405
- Enumerated
- Mar 7, 2006
- Record last updated
- Jul 8, 2026
- Fax
- (574) 647-3970
- Medicaid ID
- 300057709 IN
- Medicare enrollment
- Enrolled (PECOS I20211115002493); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 894 in Indiana → Look up another NPI →
Also registered at 100 Navarre PL Ste 4470
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaytlyn Caffery, PAPhysician Assistant1699215582
- Robert Crumb, M.D.Obstetrics & Gynecology Physician1376516732
- Jo Anna Curless, WHNP, IBCLCWomen's Health Nurse Practitioner1649933656
- Francis Hussey, MDObstetrics & Gynecology Physician1902809213
- Rebecca McKown, MDObstetrics & Gynecology Physician1225000847
- Rhonda Miller, MDObstetrics & Gynecology Physician1669431144
Verify Matthew A. Nash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01086723ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
70 Medicare Part D claims for 27 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of 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: $294.76
12 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Beacon Medical Group IncSouth Bend, IN
- Midwest Center For Women's Healthcare, LtdDes Plaines, IL
- Pediatrix Medical Group OF Indiana, P.C.South Bend, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew A. Nash among 894 obstetrics & gynecology physician records in Indiana
Matthew A. Nash, 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 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · median 2004 among the 591 with a school on file
- Record last updated2026 · 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.
All 894 in Indiana → Every provider in South Bend → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Janelle Blickensderfer, D.O.South Bend, IN 466011477505543
- Robert Crumb, M.D.South Bend, IN 466011376516732
- Edward Durbin, MDSouth Bend, IN 466011194715581
- Keim Houser, M.D.South Bend, IN 466011376597757
- Francis Hussey, MDSouth Bend, IN 466011902809213
- Douglas Macgregor, D.O.South Bend, IN 466011316999402
- Rebecca McKown, MDSouth Bend, IN 466011225000847
- Rhonda Miller, MDSouth Bend, IN 466011669431144
Common questions
What is Matthew A. Nash, MD's NPI number?
Matthew A. Nash, MD's National Provider Identifier (NPI) is 1740257930, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew A. Nash, MD located?
The NPPES record lists a practice address at 100 Navarre PL Ste 4470, South Bend, IN, 46601. Phone: (574) 647-1405. Providers update this record themselves, so call before visiting.
How can I verify Matthew A. Nash, MD's license?
NPPES lists Indiana license number 01086723A, 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 Matthew A. Nash, MD prescribe under Medicare Part D?
In 2024, Matthew A. Nash, MD had 70 Medicare Part D claims for 27 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.