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DR. JAMES MARK ESSER MD
NPI 1508956517
Radiology - Diagnostic Radiology in Dunedin, FL

Active since October 13, 2006PECOS Enrolled
2130 MANGRUM DR, DUNEDIN, FL 34698(727) 738-0190 Get Directions Write a Review

NPPES record last updated: September 14, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 14, 2016, Dec 1, 2015 (2 updates tracked since 2015).

About Dr. James Mark Esser Md NPPES

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

DR. JAMES MARK ESSER MD (NPI 1508956517) is an individual diagnostic radiology provider in Dunedin, Florida, licensed in Florida (ME 57602) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508956517
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JAMES MARK ESSERCredential: MD
Location Address2130 MANGRUM DRDunedin, FL 34698-2228
Mailing Address4500s Garnett Rd 919Tulsa, OK 74146-5214 · (918) 392-2944 · Fax (844) 876-0881
Phone(727) 738-0190
Sole ProprietorYes
Enumeration DateOctober 13, 2006
Last NPPES UpdateSeptember 14, 20162 updates tracked since enumeration
✔ NPI 1508956517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in FL · ME 57602✔ Licensed in TX · K8744
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2130 MANGRUM DR, Dunedin, FL 34698
Open in Google Maps ↗

Other Identifiers 2

Medicaid030489102/03CSNTX
Medicare PIN461596YTVTTX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CareSource, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Mark Esser 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 Reassignments

4

Medicare enrollment records show James Esser reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

West Hernando Diagnostic & Mr Center
22 mi
Diagnostic Radiology
7615 JACQUE RD
Hudson, FL 34667
  • Reassigned Medicare billing, Florida enrollment
  • Medicare enrollment name: West Hernando Diagnostic And Mr Center, Inc
  • 54 clinicians in this Medicare group
NPI 1932193711 (727) 697-0100
Singleton Associates PA
781 mi
Diagnostic Radiology
9250 PINECROFT DR
Shenandoah, TX 77380
  • Reassigned Medicare billing, Florida enrollment
  • 103 clinicians in this Medicare group
NPI 1538107875 (915) 264-3174
Howard Simon MD PLLC
993 mi
Diagnostic Radiology
446 E ONTARIO ST STE 106
Chicago, IL 60611
  • Reassigned Medicare billing, Florida enrollment
  • 44 clinicians in this Medicare group
NPI 1659930998 (312) 440-0016
Howard John Simon MD PC
1,010 mi
Diagnostic Radiology
170 E 77TH ST LOWR LEVEL
New York, NY 10075
  • Reassigned Medicare billing, Florida enrollment
  • 47 clinicians in this Medicare group
NPI 1932768934 (212) 369-9200

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 34698 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 James Esser's NPI number?

The NPI number for James Esser is 1508956517. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is James Esser located?

James Esser practices at 2130 Mangrum Dr, Dunedin, FL 34698. The listed phone number is (727) 738-0190.

What is James Esser's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is James Esser enrolled in Medicare?

Yes. James Esser is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Esser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Esser reassigns Medicare benefits to 4 organizations: West Hernando Diagnostic & Mr Center (Hudson, FL), Singleton Associates PA (Shenandoah, TX), Howard Simon MD PLLC (Chicago, IL) and Howard John Simon MD PC (New York, NY). Each 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 James Esser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Esser accept?

Health plans from Blue Cross and Blue Shield of Texas, CareSource and UnitedHealthcare list James Esser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Esser was last updated on September 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.