SAMUEL KENDALL WARREN MD
NPI 1619053436
Internal Medicine in Seattle, WA

Active since October 27, 2006Opted out of Medicare · through Jul 1, 2027
83.81/100
CMS Quality Rating
613 19TH AVE E STE 201, SEATTLE, WA 98112(206) 731-3000 Get Directions Write a Review

NPPES record last updated: June 29, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Samuel Kendall Warren Md NPPES

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

SAMUEL KENDALL WARREN MD (NPI 1619053436) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (MD00041388) and active in the NPI registry since October 2006. He has opted out of Medicare through July 1, 2027 and remains eligible to order and refer and is a graduate of Stanford University School Of Medicine (1999).

NPPES Registry Identity

NPI1619053436
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSAMUEL KENDALL WARRENCredential: MD
Location Address613 19TH AVE E STE 201Seattle, WA 98112-4000
Mailing Address613 19th Ave E Ste 201Seattle, WA 98112-4000 · (206) 466-5937 · Fax (206) 535-8844
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 1999
Enumeration DateOctober 27, 2006
Last NPPES UpdateJune 29, 2023
NPPES CertifiedJune 28, 2023
NPI 1619053436 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 · MD00041388
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.

613 19TH AVE E STE 201, Seattle, WA 98112

Other Identifiers 3

Medicaid8320772WA
Other247840Internal Id-motor Vehicle Id
Other110240268WA · Railroad Medicare

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Samuel Kendall Warren Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2025 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2025
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Areas of Expertise CMS Part B claims 4

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.
41 services25 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.
39 services29 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.
35 services23 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.
35 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98112 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.26
Promoting Interoperability80
Improvement Activities40

Reported Quality Measures

Colorectal Cancer Screening
65%48 patients3/55-star benchmark: 88%
Controlling High Blood Pressure
57%35 patients3/55-star benchmark: 91%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
34%71 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
17%58 patients2/55-star benchmark: 61%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier12 claims12 services$210.67 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 5

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

Internal Medicine
613 19TH AVE E STE 201
SEATTLE, WA 98112
Internal Medicine
613 19TH AVE E STE 201
SEATTLE, WA 98112
Internal Medicine
613 19TH AVE E STE 201
SEATTLE, WA 98112
Nurse Practitioner (Family)
613 19TH AVE E STE 201
SEATTLE, WA 98112
Family Medicine
613 19TH AVE E STE 201
SEATTLE, WA 98112

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 Samuel Warren's NPI number?

The NPI number for Samuel Warren is 1619053436. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Where is Samuel Warren located?

Samuel Warren practices at 613 19th Ave E Ste 201, Seattle, WA 98112. The listed phone number is (206) 731-3000.

What is Samuel Warren's specialty?

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

Is Samuel Warren enrolled in Medicare?

No. Samuel Warren has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Samuel Warren accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Samuel Warren 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.

When was this NPI record last updated?

The NPPES record for Samuel Warren was last updated on June 29, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.