GORDON DANIEL LISS MD
NPI 1669620746
Internal Medicine - Gastroenterology in Frederick, MD

Active since September 03, 2008PECOS EnrolledAccepts Medicare Assignment
310 W NINTH ST, FREDERICK, MD 21701(301) 695-6800(301) 695-6891 Get Directions Write a Review

NPPES record last updated: April 6, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Gordon Daniel Liss Md NPPES

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

GORDON DANIEL LISS MD (NPI 1669620746) is an individual gastroenterology provider in Frederick, Maryland, licensed in Maryland (MD0070283) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oceanside, and is a graduate of Georgetown University School Of Medicine (2004).

NPPES Registry Identity

NPI1669620746
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameGORDON DANIEL LISSCredential: MD
Location Address310 W NINTH STFrederick, MD 21701-4546
Mailing Address10825 Admirals WayPotomac, MD 20854-1232
Fax(301) 695-6891
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 2004
Enumeration DateSeptember 3, 2008
Last NPPES UpdateApril 6, 2021
NPPES CertifiedNovember 10, 2020
NPI 1669620746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in MD · MD0070283 Licensed in CA · C168998
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.
310 W NINTH ST, Frederick, MD 21701

Secondary Practice Location 1

Location 12205 Vista Way Ste 340Oceanside, CA 92054-5661 · Phone (760) 704-5870 · Fax (858) 404-1821

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

Gordon Daniel Liss 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 ID1153514153
PECOS Enrollment IDI20210412002539
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 16

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.
296 services198 patients
Injection, granisetron hydrochloride, 100 mcg J1626
Granisetron hydrochloride is an anti-nausea medication given by injection. It helps prevent nausea and vomiting often caused by cancer treatments like chemotherapy. Its dosage is measured in micrograms (mcg).
230 services14 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
208 services199 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.
185 services185 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.
139 services139 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.
131 services128 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21701 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
$133.05 typical visit price
range $57.99 – $175.57
Typical copayment $33.26 (range $14.49 – $43.89)
Most-billed visit code 99204
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
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 11

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

Physician Assistant (Medical)
310 W NINTH ST
FREDERICK, MD 21701
Internal Medicine (Gastroenterology)
310 W NINTH ST
FREDERICK, MD 21701
Internal Medicine (Cardiovascular Disease)
310 W NINTH ST
FREDERICK, MD 21701
Nurse Practitioner
310 W NINTH ST
FREDERICK, MD 21701
Internal Medicine (Gastroenterology)
310 W NINTH ST
FREDERICK, MD 21701
Nurse Practitioner (Adult Health)
310 W NINTH ST
FREDERICK, MD 21701
Internal Medicine (Gastroenterology)
310 W NINTH ST
FREDERICK, MD 21701
Legal Medicine
310 W NINTH ST
FREDERICK, MD 21701

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 Gordon Liss's NPI number?

The NPI number for Gordon Liss is 1669620746. It was assigned to this individual provider in the NPPES registry on September 3, 2008.

Where is Gordon Liss located?

Gordon Liss practices at 310 W Ninth St, Frederick, MD 21701. The listed phone number is (301) 695-6800.

What is Gordon Liss's specialty?

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

Is Gordon Liss enrolled in Medicare?

Yes. Gordon Liss 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.

When was this NPI record last updated?

The NPPES record for Gordon Liss was last updated on April 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.