1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Internal Medicine
  6. NPI Profile

DR. TIMOTHY LAWRENCE ZISMAN MD, MPH
NPI 1427213461
Internal Medicine - Gastroenterology in Seattle, WA

Active since July 18, 2008PECOS EnrolledAccepts Medicare Assignment
1100 9TH AVE, SEATTLE, WA 98101(206) 223-2319(206) 341-1188 Get Directions Write a Review

NPPES record last updated: August 9, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Timothy Lawrence Zisman Md, Mph NPPES

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

DR. TIMOTHY LAWRENCE ZISMAN MD, MPH (NPI 1427213461) is an individual gastroenterology provider in Seattle, Washington, licensed in Washington (MD60078007) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and is a graduate of Virginia Commonwealth University, School Of Medicine (2003).

NPPES Registry Identity

NPI1427213461
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. TIMOTHY LAWRENCE ZISMANCredential: MD, MPH
Location Address1100 9TH AVESeattle, WA 98101-2756
Mailing Address1100 9th AveSeattle, WA 98101-2756
Phone(206) 223-2319
Fax(206) 341-1188
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2003
Enumeration DateJuly 18, 2008
Last NPPES UpdateAugust 9, 2019
✔ NPI 1427213461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in WA · MD60078007✔ Licensed in IL · 036-116032
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD60078007 (WA)
1100 9TH AVE, Seattle, WA 98101
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Dr. Timothy Lawrence Zisman Md, Mph 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 ID8729131354
PECOS Enrollment IDI20090729000978
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 7

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.

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.
104 services103 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.
46 services45 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
44 services30 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.
40 services40 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
25 services13 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
23 services23 patients

Hospital Affiliations CMS Care Compare 2

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

Virginia Mason Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500005
Location925 Seneca StSeattle, WA 98101 · King County
Emergency services Birthing friendly

Jefferson Healthcare

Critical Access Hospitals · Port Townsend, WA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501323
Location834 Sheridan StreetPort Townsend, WA 98368 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98101 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier51 claims994 services$11.09 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 52 to 73 grams of protein - premix B4193
Other-Enteral and Parenteral · category OB005N
1 supplier11 claims80 services$231.10 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197
Other-Enteral and Parenteral · category OB005N
1 supplier40 claims278 services$280.23 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier51 claims358 services$8.03 avg. paid by Medicare
Parenteral nutrition administration kit, per day B4224
Other-Enteral and Parenteral · category OB005N
1 supplier51 claims357 services$25.07 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

JACLYN ANN SUBKOVIAK OT
Occupational Therapist
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 341-0461
MARCIE G HUME PHARM.D.
Pharmacist
1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101
King County (206) 223-6877
DR. VINAY GUPTA MD
Internal Medicine (Critical Care Medicine)
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6980
MARY JO BUKOVIC CCP
Contractor
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600
PEGAH SAFAEIAN D.O.
Physical Medicine & Rehabilitation
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600
MRS. GENEVIEVE HOUDET-COTE SLP
Speech-Language Pathologist
1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101
King County (206) 341-0461
ROBERT DALE MCCLURE MD
Surgery
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600
VIRGINIA MASON MEDICAL CENTER
Internal Medicine (Gastroenterology)
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600

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 Timothy Zisman's NPI number?

The NPI number for Timothy Zisman is 1427213461. It was assigned to this individual provider in the NPPES registry on July 18, 2008.

Where is Timothy Zisman located?

Timothy Zisman practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-2319.

What is Timothy Zisman's specialty?

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

Is Timothy Zisman enrolled in Medicare?

Yes. Timothy Zisman 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 Timothy Zisman accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Timothy Zisman 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 Timothy Zisman affiliated with any hospitals?

According to CMS data, Timothy Zisman is affiliated with Virginia Mason Medical Center and Jefferson Healthcare.

When was this NPI record last updated?

The NPPES record for Timothy Zisman was last updated on August 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.