KENNETH N MAHRER MD
NPI 1013989979
Internal Medicine - Cardiovascular Disease in Seattle, WA

Active since February 06, 2006PECOS EnrolledAccepts Medicare Assignment
1100 9TH AVE, MS:M4 - PA, SEATTLE, WA 98101(206) 223-6600 Get Directions Write a Review

NPPES record last updated: June 17, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Kenneth N Mahrer Md NPPES

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

KENNETH N MAHRER MD (NPI 1013989979) is an individual cardiovascular disease provider in Seattle, Washington, licensed in Washington (MD00033066) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1988).

NPPES Registry Identity

NPI1013989979
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameKENNETH N MAHRERCredential: MD
Location Address1100 9TH AVE, MS:M4 - PASeattle, WA 98101-2756
Mailing Address1100 Olive Way, Ms:m4-paSeattle, WA 98101-1873 · (206) 515-5811
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateFebruary 6, 2006
Last NPPES UpdateJune 17, 2008
NPI 1013989979 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in WA · MD00033066
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.
1100 9TH AVE, Seattle, WA 98101

Other Identifiers 9

OtherMA5090WA · Individual Blue Shield
Medicaid8180978WA
Medicare PIN000181613WA
OtherMD6633WA · Alaska Medicaid
Medicare PIN8809201WA
Other806332000WA · Idaho Medicaid
Medicare PIN8809243WA
Other060051021WA · Railroad Medicare
Medicare UPING13774

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

Kenneth N Mahrer 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 ID2961467659
PECOS Enrollment IDI20081128000010
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

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.
44 services35 patients

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
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
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 20

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

Occupational Therapist
1100 9TH AVE
SEATTLE, WA 98101
Pharmacist
1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101
Internal Medicine (Critical Care Medicine)
1100 9TH AVE
SEATTLE, WA 98101
Contractor
1100 9TH AVE
SEATTLE, WA 98101
Physical Medicine & Rehabilitation
1100 9TH AVE
SEATTLE, WA 98101
Speech-Language Pathologist
1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101
Surgery
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Gastroenterology)
1100 9TH AVE
SEATTLE, WA 98101

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 Kenneth Mahrer's NPI number?

The NPI number for Kenneth Mahrer is 1013989979. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Kenneth Mahrer located?

Kenneth Mahrer practices at 1100 9th Ave Ms:m4 - PA, Seattle, WA 98101. The listed phone number is (206) 223-6600.

What is Kenneth Mahrer's specialty?

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

Is Kenneth Mahrer enrolled in Medicare?

Yes. Kenneth Mahrer 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 Kenneth Mahrer was last updated on June 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.