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DR. ROBERT WALTER HEISER MD
NPI 1720088982
Internal Medicine - Gastroenterology in Fort Myers, FL

Active since July 28, 2005PECOS Enrolled
20 BARKLEY CIR, SUITE 101, FORT MYERS, FL 33907(239) 206-4919(239) 481-0765 Get Directions Write a Review

NPPES record last updated: June 11, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert Walter Heiser Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT WALTER HEISER MD (NPI 1720088982) is an individual gastroenterology provider in Fort Myers, Florida, licensed in Florida (ME51095) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720088982
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ROBERT WALTER HEISERCredential: MD
Location Address20 BARKLEY CIR, SUITE 101Fort Myers, FL 33907-4545
Mailing AddressPo Box 62226Fort Myers, FL 33906-2226 · (239) 206-4919 · Fax (239) 481-0765
Phone(239) 206-4919
Fax(239) 481-0765
Sole ProprietorYes
Enumeration DateJuly 28, 2005
Last NPPES UpdateJune 11, 2013
✔ NPI 1720088982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in FL · ME51095
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
20 BARKLEY CIR, Fort Myers, FL 33907
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Other Identifiers 2

Medicare UPIND20915FL
Medicare PIN04353YFL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Walter Heiser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Robert Heiser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Alan L Tannenbaum MD PA
Family Medicine
523 CAPE CORAL PKWY E, PRIMARY CARE ASSOC
Cape Coral, FL 33904
  • Reassigned Medicare billing, Florida enrollment
  • 9 clinicians in this Medicare group
NPI 1902885270 (239) 549-2772

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33907 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ROBERT W HEISER MD PA
Internal Medicine (Gastroenterology)
20 BARKLEY CIR, SUITE 101
FORT MYERS, FL 33907
Lee County (239) 206-4919
SUMMERLIN IMAGING CENTER LLC
Radiology (Diagnostic Radiology)
20 BARKLEY CIR, SUITE 104
FT MYERS, FL 33907
Lee County (239) 425-0370
DEBRA K ROGGOW D.O.
Physical Medicine & Rehabilitation
20 BARKLEY CIR
FORT MYERS, FL 33907
Lee County (239) 277-1772
ALTERNATIVE MEDICAL INSTITUTE CORP.
Anesthesiology (Addiction Medicine)
20 BARKLEY CIR, SUITE 201
FORT MYERS, FL 33907
Lee County (941) 815-1103
FLORIDA SPINE AND BRAIN
Psychiatry & Neurology (Neurology)
20 BARKLEY CIR, SUITE 201
FORT MYERS, FL 33907
Lee County (239) 275-6690
BARRY BUTLER MD
Internal Medicine
20 BARKLEY CIR, SUITE 102
FORT MYERS, FL 33907
Lee County (239) 277-1772

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Heiser's NPI number?

The NPI number for Robert Heiser is 1720088982. It was assigned to this individual provider in the NPPES registry on July 28, 2005.

Where is Robert Heiser located?

Robert Heiser practices at 20 Barkley Cir Suite 101, Fort Myers, FL 33907. The listed phone number is (239) 206-4919.

What is Robert Heiser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Robert Heiser enrolled in Medicare?

Yes. Robert Heiser is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Heiser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Heiser reassigns Medicare benefits to Alan L Tannenbaum MD PA (Cape Coral, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Heiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Heiser was last updated on June 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.