DR. KATHRIN LEANNE AHL M.D.
NPI 1790747863
Radiology - Diagnostic Radiology in Lynnwood, WA

Active since April 04, 2006PECOS EnrolledAccepts Medicare Assignment
19020 33RD AVE W, SUITE 210, LYNNWOOD, WA 98036(425) 563-1500(425) 563-1501 Get Directions Write a Review

NPPES record last updated: April 11, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 11, 2017, Nov 9, 2016 (2 updates tracked since 2016).

About Dr. Kathrin Leanne Ahl M.d. NPPES

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

DR. KATHRIN LEANNE AHL M.D. (NPI 1790747863) is an individual diagnostic radiology provider in Lynnwood, Washington, licensed in Washington (MD00039741) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and is a graduate of University Of California, San Francisco School Of Medicine (1997).

NPPES Registry Identity

NPI1790747863
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. KATHRIN LEANNE AHLCredential: M.D.
Location Address19020 33RD AVE W, SUITE 210Lynnwood, WA 98036-4748
Mailing Address19020 33rd Ave W, Suite 210Lynnwood, WA 98036-4748 · (425) 563-1500 · Fax (425) 563-1374
Fax(425) 563-1501
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1997
Enumeration DateApril 4, 2006
Last NPPES UpdateApril 11, 20172 updates tracked since enumeration
✔ NPI 1790747863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in WA · MD00039741
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
19020 33RD AVE W, Lynnwood, WA 98036

Other Identifiers 11

Medicare PING8959944WA
Medicare PING8959945WA
Medicare PING8959948WA
Medicare UPINH59287WA
Medicare PINP01765882WA
Medicare PING8959943WA
Medicare PINGAB36121WA
Medicare PINP01765852WA
Medicaid8313962WA
Medicaid1019015WA
Medicare PINP01765937WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kathrin Leanne Ahl M.d. 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 ID8527051978
PECOS Enrollment IDI20040403000198
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.

Medicare Billing Reassignments

10

Medicare enrollment records show Kathrin Ahl reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Diagnostic Radiology
19020 33RD AVE W, SUITE 210
Lynnwood, WA 98036
  • Reassigned Medicare billing, Washington enrollment
  • 209 clinicians in this Medicare group
Diagnostic Radiology
21700 HIGHWAY 99
Edmonds, WA 98026
  • Reassigned Medicare billing, Washington enrollment
  • 200 clinicians in this Medicare group
Body Imaging
13020 MERIDIAN AVE S
Everett, WA 98208
  • Reassigned Medicare billing, Washington enrollment
  • 194 clinicians in this Medicare group
Diagnostic Radiology
11521 NE 128TH ST, SUITE 200
Kirkland, WA 98034
  • Reassigned Medicare billing, Washington enrollment
  • 196 clinicians in this Medicare group
Multi-Specialty
3901 HOYT AVE
Everett, WA 98201
  • Reassigned Medicare billing, Washington enrollment
  • 1,285 clinicians in this Medicare group
Audiologist
1145 BROADWAY
Seattle, WA 98122
  • Reassigned Medicare billing, Washington enrollment
  • 911 clinicians in this Medicare group
Diagnostic Radiology
1229 MADISON ST STE 900
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 204 clinicians in this Medicare group
Diagnostic Radiology
1221 MADISON ST, STE 150
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 18 clinicians in this Medicare group
Internal Medicine
800 5TH AVE, STE 600
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 1,270 clinicians in this Medicare group
Diagnostic Radiology
3417 ENSIGN RD NE
Olympia, WA 98506
  • Reassigned Medicare billing, Washington enrollment
  • 186 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 33

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
14,326 services137 patients
Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
14,006 services77 patients
Piflufolastat f-18, diagnostic, 1 millicurie A9595
Piflufolastat F-18 is a radioactive diagnostic agent used in PET scans. It helps visualize certain cells in your body, aiding doctors in diagnosing specific conditions. This service involves injecting 1 millicurie of the agent into your body.
314 services34 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
152 services136 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
149 services138 patients
Ct scan of chest with contrast 71260
A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.
138 services121 patients

Hospital Affiliations CMS Care Compare 5

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

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500014
Location1321 Colby AvenueEverett, WA 98201 · Snohomish County
Emergency services Birthing friendly

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500025
Location500 17th AvenueSeattle, WA 98122 · King County
Emergency services

Swedish Edmonds Hospital

Acute Care Hospitals · Edmonds, WA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500026
Location21601 76th Avenue WestEdmonds, WA 98026 · Snohomish County
Emergency services Birthing friendly

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Swedish Issaquah

Acute Care Hospitals · Issaquah, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500152
Location751 NE Blakely DrIssaquah, WA 98029 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98036 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%480 patients
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.

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.

Radiology (Diagnostic Radiology)
19020 33RD AVE W, SUITE 210
LYNNWOOD, WA 98036
Radiology (Diagnostic Radiology)
19020 33RD AVE W, SUITE 210
LYNNWOOD, WA 98036
Radiology (Diagnostic Radiology)
19020 33RD AVE W, SUITE 210
LYNNWOOD, WA 98036
Dentist
19020 33RD AVE W, SUITE 200
LYNNWOOD, WA 98036
Radiology (Diagnostic Radiology)
19020 33RD AVE W, SUITE 210
LYNNWOOD, WA 98036
Radiology (Diagnostic Radiology)
19020 33RD AVE W, SUITE 210
LYNNWOOD, WA 98036
Radiology (Vascular & Interventional Radiology)
19020 33RD AVE W, SUITE 210
LYNNWOOD, WA 98036
Radiology (Diagnostic Radiology)
19020 33RD AVE W, SUITE 210
LYNNWOOD, WA 98036

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 Kathrin Ahl's NPI number?

The NPI number for Kathrin Ahl is 1790747863. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is Kathrin Ahl located?

Kathrin Ahl practices at 19020 33rd Ave W Suite 210, Lynnwood, WA 98036. The listed phone number is (425) 563-1500.

What is Kathrin Ahl's specialty?

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

Is Kathrin Ahl enrolled in Medicare?

Yes. Kathrin Ahl 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.

Which organizations bill Medicare for Kathrin Ahl's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathrin Ahl reassigns Medicare benefits to 10 organizations: Radia Inc P S (Lynnwood, WA), Swedish Radia Imaging Center At Edmonds LLC (Edmonds, WA), Swedish Health Services (Everett, WA), Evergreen Radia LLC (Kirkland, WA), Optum Care Washington PLLC (Everett, WA) and 5 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathrin Ahl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kathrin Ahl accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Kathrin Ahl 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 Kathrin Ahl affiliated with any hospitals?

According to CMS data, Kathrin Ahl is affiliated with Providence Regional Medical Center Everett, Swedish Medical Center / Cherry Hill, Swedish Edmonds Hospital, Swedish Medical Center and Swedish Issaquah.

When was this NPI record last updated?

The NPPES record for Kathrin Ahl was last updated on April 11, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.