GARTH KELLOGG SUMMERS (DO) – Obstetrics & Gynecology Physician, NPI 1659891687
Obstetrics & Gynecology Physician
Main info
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for GARTH KELLOGG SUMMERS (DO)
600 1ST ST NW STE 101
MASON CITY, IA 504012932
Phone: (641) 428-5100
Fax: (641) 428-5115
Type: Mailing
1010 4TH ST SW
SUITE 220
MASON CITY, IA 504012857
Phone: (641) 428-5100
Fax: (541) 428-5115
Type: Location
200 Hawkins Dr
Iowa City, IA 522421009
Phone: (319) 356-2294
Fax: (319) 384-7346
Type: Location
1229 C AVE E
OSKALOOSA, IA 525774246
Phone: (641) 676-7401
Fax: (641) 676-7325
Type: Location
Nebraska Medical Center, 668, South 41st Street, Omaha, Douglas County, Nebraska, 68105, United States
OMAHA, NE 681983255
Phone: (402) 559-4500
Fax: (402) 559-9416
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $820.
Total Amount is formed as General ($820) + Research ($0) + Ownership ($0) = $820.
Last reported payment date: 2024-02-07 • Largest payer in this snapshot: COLOPLAST CORP ($661).
Total Amount
$820
General + Research + Ownership
Payments
10
Total payment records
General Amount
$820
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| COLOPLAST CORP | $661 |
| Hologic Sales and Service, LLC | $45 |
| Intuitive Surgical, Inc. | $38 |
| Sumitomo Pharma America, Inc. | $35 |
| Organon LLC | $21 |
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: 2021-09-10
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 |
|---|---|---|---|---|
| I20210910000617 | I | Obstetrics/Gynecology | IA | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 50401)
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