STEPHEN A LENK MD
NPI 1851493092
Radiology - Diagnostic Radiology in Seattle, WA

Q: What is Stephen Lenk's NPI number?

The NPI number for Stephen Lenk is 1851493092. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Q: What is Stephen Lenk's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Lenk was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.

Active since September 01, 2006PECOS EnrolledAccepts Medicare Assignment

83/100

CMS Quality Rating

825 EASTLAKE AVE E, SEATTLE, WA 98109(206) 520-5000 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 2, 2025, Jan 12, 2023 (2 updates tracked since 2023).

On this page

About Stephen A Lenk Md NPPES

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

STEPHEN A LENK MD (NPI 1851493092) is an individual diagnostic radiology provider in Seattle, Washington, licensed in Washington (MD61397065) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Health - Fairfield Hospital, and maintains a secondary practice location in Cincinnati.

NPPES Registry Identity

NPI1851493092

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameSTEPHEN A LENKCredential: MD

Location Address825 EASTLAKE AVE ESeattle, WA 98109-4405

Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700

Phone(206) 520-5000

Sole ProprietorNo

Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 2001

Enumeration DateSeptember 1, 2006

Last NPPES UpdateDecember 2, 20252 updates tracked since enumeration

NPPES CertifiedDecember 2, 2025

✔ NPI 1851493092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in WA · MD61397065✔ Licensed in OH · 35.083679

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

825 EASTLAKE AVE E, Seattle, WA 98109

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Secondary Practice Location 1

Location 13188 Bellevue AveCincinnati, OH 45219-2369 · Phone (513) 585-6200

Other Identifiers 1

Medicaid1851493092WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Premera Blue Cross Blue Shield of Alaska.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

Stephen A Lenk 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 ID6800896663

PECOS Enrollment IDI20070102000265, I20230119002078

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 13

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.

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

279 services279 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

278 services278 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

93 services93 patients

Screening 3d breast mammography 77063

75 services75 patients

Screening mammography 77067

75 services75 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

65 services64 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

53 services53 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

49 services49 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

34 services34 patients

Limited ultrasound scan of 1 breast 76642

23 services23 patients

Diagnostic mammography of 1 breast 77065

18 services18 patients

Diagnostic mammography of both breasts 77066

18 services18 patients

Mri scan of both breasts 77049

An MRI scan of both breasts is a non-invasive procedure using magnetic fields and radio waves to create detailed images of your chest area. This aids in detecting any abnormalities, ensuring your health and well-being.

16 services16 patients

Hospital Affiliations CMS Care Compare 4

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

Mercy Health - Fairfield Hospital

Acute Care Hospitals · Fairfield, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360056

Location3000 Mack RoadFairfield, OH 45014 · Butler County

Emergency services Birthing friendly

Mercy Health - West Hospital

Acute Care Hospitals · Cincinnati, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360234

Location3300 Mercy Health BlvdCincinnati, OH 45211 · Hamilton County

Emergency services Birthing friendly

Mercy Health - Clermont Hospital

Acute Care Hospitals · Batavia, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360236

Location3000 Hospital DriveBatavia, OH 45103 · Clermont County

Emergency services

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number500008

Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98109 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

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

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.

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.

83/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

Improvement Activities

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.

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