DR. GARY JOSEPH GRETCH MD
NPI 1053392597
Internal Medicine in Bremerton, WA

Active since November 10, 2005PECOS EnrolledAccepts Medicare Assignment
2601 CHERRY AVE STE 215, BREMERTON, WA 98310(360) 377-3923(360) 373-4988 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 28, 2026, Apr 21, 2021 (2 updates tracked since 2021).

About Dr. Gary Joseph Gretch Md NPPES

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

DR. GARY JOSEPH GRETCH MD (NPI 1053392597) is an individual internal medicine provider in Bremerton, Washington, licensed in Washington (MD00028724) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Harrison Medical Center, and is a graduate of Washington University School Of Medicine (1987).

NPPES Registry Identity

NPI1053392597
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GARY JOSEPH GRETCHCredential: MD
Location Address2601 CHERRY AVE STE 215Bremerton, WA 98310-4203
Mailing Address2601 Cherry Ave Ste 215Bremerton, WA 98310-4203 · (360) 377-3923 · Fax (360) 373-4988
Fax(360) 373-4988
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 1987
Enumeration DateNovember 10, 2005
Last NPPES UpdateMay 28, 20262 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
NPI 1053392597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in WA · MD00028724
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2601 CHERRY AVE STE 215, Bremerton, WA 98310

Other Identifiers 1

Medicaid1067537WA

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

Dr. Gary Joseph Gretch 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 ID1355254640
PECOS Enrollment IDI20031119000183
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 23

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.
1,503 services784 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
672 services476 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
667 services667 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
228 services21 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
225 services189 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
120 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Harrison Medical Center

Acute Care Hospitals · Bremerton, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500039
Location2520 Cherry AvenueBremerton, WA 98310 · Kitsap County
Emergency services Birthing friendly

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

St Joseph Medical Center

Acute Care Hospitals · Tacoma, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500108
Location1717 South J StreetTacoma, WA 98405 · Pierce County
Emergency services Birthing friendly

St Anthony Hospital

Acute Care Hospitals · Gig Harbor, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500151
Location11567 Canterwood Boulevard NWGig Harbor, WA 98332 · Pierce County
Emergency services

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 98310 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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 11

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
21 suppliers83 claims210 services$6.11 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers30 claims38 services$1.04 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
6 suppliers16 claims16 services$36.15 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
6 suppliers12 claims63 services$20.28 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
7 suppliers17 claims17 services$55.48 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
7 suppliers15 claims15 services$18.62 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 3

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

Internal Medicine
2601 CHERRY AVE STE 215
BREMERTON, WA 98310
Family Medicine
2601 CHERRY AVE STE 215
BREMERTON, WA 98310
Internal Medicine
2601 CHERRY AVE STE 215
BREMERTON, WA 98310

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 Gary Gretch's NPI number?

The NPI number for Gary Gretch is 1053392597. It was assigned to this individual provider in the NPPES registry on November 10, 2005.

Where is Gary Gretch located?

Gary Gretch practices at 2601 Cherry Ave Ste 215, Bremerton, WA 98310. The listed phone number is (360) 377-3923.

What is Gary Gretch's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gary Gretch enrolled in Medicare?

Yes. Gary Gretch 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 Gary Gretch accept?

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

According to CMS data, Gary Gretch is affiliated with Harrison Medical Center, Olympic Medical Center, St Joseph Medical Center, St Anthony Hospital and Jefferson Healthcare.

When was this NPI record last updated?

The NPPES record for Gary Gretch was last updated on May 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.