Dr. Robert Walter Heiser, MD

  • Cape Coral, FL
  • Gastroenterologist
NPI1720088982
Part D claims, 2024
157
Industry payments
$83
Affiliated sites
2
Medical group
1
State licenses
2
Practice address
636 Del Prado S Blvd, Cape Coral, FL 33990
Practice phone
Call (239) 424-1503
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Cape Coral Hospital

Cape Coral, Florida

See all 4 affiliations

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Dr. Robert Walter Heiser is a gastroenterologist in Cape Coral, Florida

Dr. Heiser practices at Cape Coral Hospital in Cape Coral, Florida.

Dr. Heiser's NPI, 1720088982, was assigned on July 28, 2005. Dr. Heiser graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1980. Dr. Heiser holds Florida license ME51095.

NPI and contact details
NPI enumeration date
July 28, 2005
NPI status
Active
Practice phone
(239) 424-1503
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Robert Walter Heiser practices at Cape Coral Hospital in Cape Coral, Florida

Dr. Heiser's primary practice is Cape Coral Hospital, at 636 Del Prado S Blvd, Cape Coral, FL 33990 in Lee County. The practice phone is (239) 424-1503.

  • Cape Coral Hospital
    636 Del Prado S Blvd, Cape Coral, FL 33990 · Lee CountyPhone(239) 424-1503

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Robert Walter Heiser is affiliated with 3 sites of care and 1 medical group

Dr. Heiser's primary practice is Cape Coral Hospital in Cape Coral, Florida. The medical group on file is Primary Care Associates. Dmand AI also links Dr. Heiser to 1 more physician office and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Heiser

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert Walter Heiser's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heiser practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cape Coral HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert Walter Heiser is one of 1,364 gastroenterologists in Florida

Gastroenterology is Dr. Heiser's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Heiser's licenses on file in 2 states: Florida and Louisiana.

Specialties and state licenses

  • Gastroenterology, FloridaPrimaryLicense ME51095 · 1987 to 2026 · taxonomy 207RG0100X
  • Louisiana license1982 to 1988

Gastroenterologists near Dr. Heiser

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

1,364gastroenterologists in Florida
8gastroenterologists in Cape Coral

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Robert Walter Heiser's patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Dr. Heiser's median patient age at 70, with 100% women.

Dr. Heiser's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Robert Walter Heiser wrote 157 Medicare Part D claims in 2024

In 2024, Dr. Heiser wrote 157 Medicare Part D claims. 61% of them were for generic drugs. CMS names the drug for 129 of them, across 10 drugs with 11 or more claims each, at $573,644 in total drug cost. In 2023, CMS named 109 claims across 9 drugs.

Part D claims, 2024157
Drugs named by CMS10
Total drug cost$573,644

Dr. Heiser's Part D claims by kind of drug, 2024

  • Generic96 claims61%
  • Brand-name61 claims39%

Dr. Heiser's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Heiser's Part D claims, 2024

  • Opioids31%49 of 157 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1092024: 12918%

Drugs named by CMS: 10 in 2024, 9 in 2023.

See all prescribing by Dr. Heiser

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Robert Walter Heiser received $83 in industry payments in 2020

CMS Open Payments shows 1 general payment to Dr. Heiser from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $83.

Companies that paid Dr. Heiser the most, 2020 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Heiser

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert Walter Heiser graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science

Dr. Heiser graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1980.

  1. Medical schoolChicago Medical School at Rosalind Franklin University of Medicine and Science

Source: Dmand AI Professional Profile Data

Sources for Dr. Robert Walter Heiser's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Robert Walter Heiser

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Robert Walter Heiser's NPI number?

Dr. Robert Walter Heiser's NPI number is 1720088982. It was assigned on July 28, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Walter Heiser?

Dr. Robert Walter Heiser is a gastroenterologist in Cape Coral, Florida. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Robert Walter Heiser practice?

Dr. Heiser practices at 636 Del Prado S Blvd, Cape Coral, FL 33990. Dr. Heiser's primary practice is Cape Coral Hospital in Cape Coral, Florida. Dmand AI also links Dr. Heiser to 1 physician office and 1 group practice or clinic.

What is Dr. Robert Walter Heiser's office phone number?

The practice phone on file for Dr. Heiser is (239) 424-1503.

What is Dr. Robert Walter Heiser's medical license number?

Dr. Heiser holds Florida license ME51095, one of the licenses on file in 2 states.

Which states has Dr. Robert Walter Heiser been licensed in?

Dmand AI has state licenses on file for Dr. Heiser in Florida (1987 to 2026) and Louisiana (1982 to 1988).

What medical group is Dr. Robert Walter Heiser part of?

Dr. Heiser is linked to Primary Care Associates.

Where did Dr. Robert Walter Heiser go to medical school?

Dr. Heiser graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1980.

What drugs does Dr. Robert Walter Heiser prescribe most?

In 2024 Medicare Part D data, Dr. Heiser's most prescribed drugs by claims were Prednisone, Humira Pen and Stelara.

Has Dr. Robert Walter Heiser received payments from drug or device companies?

CMS Open Payments shows $83 in general payments to Dr. Heiser from 1 company from 2020 to 2020. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.

How long has Dr. Robert Walter Heiser been practicing?

Dr. Heiser graduated from medical school in 1980, 46 years ago.

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