NATALIE JOY FRENTZ (MD) – Family Medicine Physician, NPI 1194941708
Family Medicine Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,862 FAMILY PRACTICE in IN
Provider Addresses for NATALIE JOY FRENTZ (MD)
3355 DOUGLAS RD
SUITE 300
SOUTH BEND, IN 466351781
Phone:
Type: Mailing
4630 VISTULA RD
MISHAWAKA, IN 465444000
Phone: (574) 647-1900
Fax: (574) 647-7206
Type: Location
710 N NILES AVE
SOUTH BEND, IN 466171924
Phone: (574) 647-1610
Type: Mailing
6301 UNIVERSITY COMMONS
SOUTH BEND, IN 466351571
Phone: (574) 234-4016
Fax: (574) 239-4607
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 35 Open Payments records for all available years, with a total value of $600.
Total Amount is formed as General ($600) + Research ($0) + Ownership ($0) = $600.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: PFIZER INC. ($135).
Total Amount
$600
General + Research + Ownership
Payments
35
Total payment records
General Amount
$600
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $135 |
| AstraZeneca Pharmaceuticals LP | $132 |
| Novo Nordisk Inc | $76 |
| ABBVIE INC. | $61 |
| Daiichi Sankyo Inc. | $48 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-07-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070706000428 | I | Family Practice | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 87 | 67 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 73 | 60 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 55 | 37 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 35 | 35 | $0 |
| 81003 | Automated urinalysis test | 14 | 11 | $0 |
Insurance plans in this area (ZIP 46635)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IN | |
| - | IN | |
| Family Practice | IN | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IN | |
| Family Practice | IN | |
| Family Practice | IN | |
| Family Practice | IN |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.