ZACHARY PARNELL GIESEN DO
NPI 1083077408
Internal Medicine - Cardiovascular Disease in Medford, OR

Active since April 02, 2016PECOS EnrolledAccepts Medicare Assignment
520 MEDICAL CENTER DR STE 200, MEDFORD, OR 97504(541) 930-7222(541) 930-7220 Get Directions Write a Review

NPPES record last updated: July 29, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 29, 2022, Apr 2, 2016 (2 updates tracked since 2016).

About Zachary Parnell Giesen Do NPPES

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

ZACHARY PARNELL GIESEN DO (NPI 1083077408) is an individual cardiovascular disease provider in Medford, Oregon, licensed in Oregon (DO209735) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Asante Three Rivers Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1083077408
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameZACHARY PARNELL GIESENCredential: DO
Location Address520 MEDICAL CENTER DR STE 200Medford, OR 97504-4314
Mailing Address520 Medical Center Dr Ste 200Medford, OR 97504-4314 · (541) 930-7260 · Fax (541) 930-7220
Fax(541) 930-7220
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 2, 2016
Last NPPES UpdateJuly 29, 20222 updates tracked since enumeration
NPPES CertifiedJuly 29, 2022
NPI 1083077408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in OR · DO209735
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
520 MEDICAL CENTER DR STE 200, Medford, OR 97504

Other Identifiers 1

Medicaid500806325OR

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

Zachary Parnell Giesen Do 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 ID2567752991
PECOS Enrollment IDI20220513000454
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 22

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.

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.
522 services431 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
459 services449 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
241 services186 patients
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.
223 services165 patients
Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248
This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.
120 services119 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.
95 services95 patients

Hospital Affiliations CMS Care Compare 4

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

Asante Three Rivers Medical Center

Acute Care Hospitals · Grants Pass, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380002
Location500 SW Ramsey AvenueGrants Pass, OR 97527 · Josephine County
Emergency services Birthing friendly

Asante Ashland Community Hospital

Acute Care Hospitals · Ashland, OR
OwnershipGovernment - Local
CMS Certification Number380005
Location280 Maple StreetAshland, OR 97520 · Jackson County
Emergency services Birthing friendly

Asante Rogue Regional Medical Center

Acute Care Hospitals · Medford, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380018
Location2825 E Barnett RoadMedford, OR 97504 · Jackson County
Emergency services Birthing friendly

Curry General Hospital

Critical Access Hospitals · Gold Beach, OR
OwnershipGovernment - Hospital District or Authority
CMS Certification Number381322
Location94220 Fourth StreetGold Beach, OR 97444 · Curry County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97504 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
$126.25 typical visit price
range $54.96 – $166.64
Typical copayment $31.56 (range $13.74 – $41.66)
Most-billed visit code 99204
Established Patient
$68.64 typical visit price
range $17.68 – $136.19
Typical copayment $17.16 (range $4.42 – $34.04)
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.

Other Providers at the Same Location NPPES 13

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

Internal Medicine (Interventional Cardiology)
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504
Internal Medicine (Clinical Cardiac Electrophysiology)
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504
Nurse Practitioner
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504
Internal Medicine (Cardiovascular Disease)
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504
Physician Assistant
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504
Nurse Practitioner
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504
Internal Medicine (Cardiovascular Disease)
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504
Internal Medicine (Cardiovascular Disease)
520 MEDICAL CENTER DR STE 200
MEDFORD, OR 97504

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 Zachary Giesen's NPI number?

The NPI number for Zachary Giesen is 1083077408. It was assigned to this individual provider in the NPPES registry on April 2, 2016.

Where is Zachary Giesen located?

Zachary Giesen practices at 520 Medical Center Dr Ste 200, Medford, OR 97504. The listed phone number is (541) 930-7222.

What is Zachary Giesen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Zachary Giesen enrolled in Medicare?

Yes. Zachary Giesen 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 Zachary Giesen accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Zachary Giesen 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 Zachary Giesen affiliated with any hospitals?

According to CMS data, Zachary Giesen is affiliated with Asante Three Rivers Medical Center, Asante Ashland Community Hospital, Asante Rogue Regional Medical Center and Curry General Hospital.

When was this NPI record last updated?

The NPPES record for Zachary Giesen was last updated on July 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.