MARK EISNER MD
NPI 1902815103
Internal Medicine - Gastroenterology in Zephyrhills, FL

Active since August 05, 2006PECOS EnrolledAccepts Medicare Assignment
38135 MARKET SQUARE, ZEPHYRHILLS, FL 33542(813) 780-7534(813) 715-1810 Get Directions Write a Review

NPPES record last updated: August 25, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark Eisner Md NPPES

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

MARK EISNER MD (NPI 1902815103) is an individual gastroenterology provider in Zephyrhills, Florida, licensed in Florida (ME57600) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Florida Hospital Zephyrhills, and is a graduate of George Washington University School Of Medicine (1985).

NPPES Registry Identity

NPI1902815103
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMARK EISNERCredential: MD
Location Address38135 MARKET SQUAREZephyrhills, FL 33542
Mailing Address38135 Market SquareZephyrhills, FL 33542 · (813) 780-1255 · Fax (813) 780-9773
Fax(813) 715-1810
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1985
Enumeration DateAugust 5, 2006
Last NPPES UpdateAugust 25, 2021
NPPES CertifiedAugust 25, 2021
NPI 1902815103 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 · ME57600
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.

38135 MARKET SQUARE, Zephyrhills, FL 33542

Other Identifiers 2

Medicaid063354200FL
Other100005054FL · Rr Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mark Eisner Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446154348
PECOS Enrollment IDI20100322000769
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.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
685 services371 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
108 services102 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
83 services83 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
57 services56 patients
Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248
This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.
47 services44 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
47 services47 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Florida Hospital Zephyrhills

Acute Care Hospitals · Zephyrhills, FL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number100046
Location7050 Gall BlvdZephyrhills, FL 33541 · Pasco County
Emergency services Birthing friendly

Adventhealth Tampa

Acute Care Hospitals · Tampa, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100173
Location3100 E Fletcher AveTampa, FL 33613 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33542 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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 8

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

Nurse Practitioner
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542
Family Medicine
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542
Family Medicine
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542
Family Medicine
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542
Radiology (Diagnostic Radiology)
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542
Clinic/Center
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542
Family Medicine
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542
Internal Medicine (Cardiovascular Disease)
38135 MARKET SQUARE
ZEPHYRHILLS, FL 33542

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 Mark Eisner's NPI number?

The NPI number for Mark Eisner is 1902815103. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Mark Eisner located?

Mark Eisner practices at 38135 Market Square, Zephyrhills, FL 33542. The listed phone number is (813) 780-7534.

What is Mark Eisner's specialty?

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

Is Mark Eisner enrolled in Medicare?

Yes. Mark Eisner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Eisner accept?

Health plans from AmeriHealth Caritas Next, AvMed, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Molina Healthcare and 1 other insurer list Mark Eisner 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.

Is Mark Eisner affiliated with any hospitals?

According to CMS data, Mark Eisner is affiliated with Florida Hospital Zephyrhills and Adventhealth Tampa.

When was this NPI record last updated?

The NPPES record for Mark Eisner was last updated on August 25, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.