DR. JAMES DAVID DEMMEL (M.D.) – Family Medicine Physician, NPI 1811985559
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. JAMES DAVID DEMMEL (M.D.)
Iowa Heart Center, 312, East Main Street, Marshalltown, Marshall County, Iowa, 50158, United States
MARSHALLTOWN, IA 501581888
Phone: (641) 752-5469
Fax: (641) 844-2205
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $55.
Total Amount is formed as General ($55) + Research ($0) + Ownership ($0) = $55.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Novo Nordisk Inc ($22).
Total Amount
$55
General + Research + Ownership
Payments
3
Total payment records
General Amount
$55
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $22 |
| Medline Industries LP | $18 |
| Inspire Medical Systems, Inc. | $16 |
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: 2022-12-12
PECOS data refreshed: 2026-05-27
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 50158)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| P S Y C H I A T R Y | MO | |
| - | IA | |
| Clinical Social Worker | OR | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Clinical Social Worker | IA | |
| - | MI | |
| Internal Medicine, Emergency Medicine | KS | |
| Nurse Practitioner | IA |
Reviews
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