Natalie Joy Frentz, MD
Family Medicine Physician · South Bend, IN
Natalie Joy Frentz, MD is a family medicine physician with a practice address in South Bend, Indiana, and NPI 1194941708, issued on Apr 18, 2007. Check the license (Indiana 01063651A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Natalie Joy Frentz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 01063651A IN
Self-reported in NPPES; status is on the state search - Practice location
- 6301 University Commons, South Bend, IN 46635
- Phone
- (574) 234-4016
- Enumerated
- Apr 18, 2007
- Record last updated
- Jun 4, 2024
- Fax
- (574) 239-4607
- Medicaid ID
- 200863040 IN
- Medicare enrollment
- Enrolled (PECOS I20070706000428); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,506 in Indiana → Look up another NPI →
Also registered at 6301 University Commons
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natalie Joy Frentz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01063651ACheck 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 family medicine physician in 2024
1,474 Medicare Part D claims for 219 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium123 claims
- Levothyroxine Sodium95 claims
- Omeprazole61 claims
- Alendronate Sodium51 claims
- Pantoprazole Sodium47 claims
- Hydrochlorothiazide44 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: $493.43
28 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
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
- Family Medicine OF South Bend PCSouth Bend, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalie Joy Frentz among 3,506 family medicine physician records in Indiana
Natalie Joy Frentz, MD is one of 3,506 family medicine physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2005 among the 2,196 with a school on file
- Record last updated2024 · 48% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
145 family medicine physician records list a practice address in South Bend
They are 145 of the 3,178 NPPES records with a practice address in South Bend, and 3,506 family medicine physician records in Indiana.
All 3,506 in Indiana → Every provider in South Bend → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lori Checkley, M.D.South Bend, IN 466351437152394
- Douglas Doctor, M.D.South Bend, IN 466351376598938
- Robert Hays, M.D.South Bend, IN 466351043530165
- Brian Jacobs, MDSouth Bend, IN 466351437240694
- John Jacobs, MDSouth Bend, IN 466351881785046
- Patricia Jordan, MDSouth Bend, IN 466351700884897
- Robert King, M.D.South Bend, IN 466351306885553
- Michael Oconnell, DOSouth Bend, IN 466351083691885
Common questions
What is Natalie Joy Frentz, MD's NPI number?
Natalie Joy Frentz, MD's National Provider Identifier (NPI) is 1194941708, issued on Apr 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Joy Frentz, MD located?
The NPPES record lists a practice address at 6301 University Commons, South Bend, IN, 46635. Phone: (574) 234-4016. Providers update this record themselves, so call before visiting.
How can I verify Natalie Joy Frentz, MD's license?
NPPES lists Indiana license number 01063651A, 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 Natalie Joy Frentz, MD prescribe under Medicare Part D?
In 2024, Natalie Joy Frentz, MD had 1,474 Medicare Part D claims for 219 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.