1. Home
  2. Directory
  3. Arizona
  4. Paradise Valley
  5. Radiology
  6. NPI Profile

DR. LESLIE A WELK M.D.
NPI 1013938984
Radiology - Diagnostic Radiology in Paradise Valley, AZ

Active since July 23, 2006PECOS EnrolledAccepts Medicare Assignment
81.49/100
CMS Quality Rating
4910 E BERYL AVE, PARADISE VALLEY, AZ 85253(602) 326-2194 Get Directions Write a Review

NPPES record last updated: June 9, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Leslie A Welk M.d. NPPES

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

DR. LESLIE A WELK M.D. (NPI 1013938984) is an individual diagnostic radiology provider in Paradise Valley, Arizona, licensed in Arizona (21611) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1988).

NPPES Registry Identity

NPI1013938984
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. LESLIE A WELKCredential: M.D.
Location Address4910 E BERYL AVEParadise Valley, AZ 85253-1048
Mailing Address4045 E Bell Rd, Ste 143Phoenix, AZ 85032-2236 · (602) 867-0404 · Fax (602) 788-0893
Phone(602) 326-2194
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1988
Enumeration DateJuly 23, 2006
Last NPPES UpdateJune 9, 2008
✔ NPI 1013938984 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 AZ · 21611✔ Licensed in MI · 21611
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
4910 E BERYL AVE, Paradise Valley, AZ 85253
Open in Google Maps ↗

Other Identifiers 2

Medicare UPINF38584AZ
Medicare PINZ112806AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc..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. Leslie A Welk 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 ID6103817127
PECOS Enrollment IDI20040519001009
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

7

Medicare enrollment records show Leslie Welk reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner - University Hospital Based Physicians LLC
8.9 mi
General Acute Care Hospital
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 728 clinicians in this Medicare group
NPI 1750751566 (602) 747-4000
Banner - University Physician Specialists LLC
8.9 mi
Multi-Specialty
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 553 clinicians in this Medicare group
NPI 1417312760 (602) 747-4000
Banner Physician Specialists Arizona LLC
8.9 mi
Multi-Specialty
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 538 clinicians in this Medicare group
NPI 1033730429 (602) 747-4000
Banner-University Medical Group
8.9 mi
Multi-Specialty
2901 N CENTRAL AVE
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 1,514 clinicians in this Medicare group
NPI 1508809427 (602) 747-4000
Banner Cancer Center Specialists LLC
8.9 mi
Oncology
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 470 clinicians in this Medicare group
NPI 1518253152 (602) 747-4000
Banner Imaging Services LLC
18 mi
Diagnostic Radiology
10474 W THUNDERBIRD BLVD STE 100
Sun City, AZ 85351
  • Reassigned Medicare billing, Arizona enrollment
  • 211 clinicians in this Medicare group
NPI 1770139958 (623) 832-5316
Banner Hospital Based Physicians Arizona LLC
20 mi
Multi-Specialty
1900 N HIGLEY RD
Gilbert, AZ 85234
  • Reassigned Medicare billing, Arizona enrollment
  • 1,081 clinicians in this Medicare group
NPI 1124374822 (480) 543-2034

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 10

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.
150 services150 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.
148 services148 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.
113 services111 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.
98 services97 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
67 services67 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.
60 services58 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85253 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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.

81.49/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40
Cost38.3

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 Leslie Welk's NPI number?

The NPI number for Leslie Welk is 1013938984. It was assigned to this individual provider in the NPPES registry on July 23, 2006.

Where is Leslie Welk located?

Leslie Welk practices at 4910 E Beryl Ave, Paradise Valley, AZ 85253. The listed phone number is (602) 326-2194.

What is Leslie Welk's specialty?

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

Is Leslie Welk enrolled in Medicare?

Yes. Leslie Welk 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 Leslie Welk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Welk reassigns Medicare benefits to 7 organizations: Banner - University Hospital Based Physicians LLC (Phoenix, AZ), Banner - University Physician Specialists LLC (Phoenix, AZ), Banner Physician Specialists Arizona LLC (Phoenix, AZ), Banner-University Medical Group (Phoenix, AZ), Banner Cancer Center Specialists LLC (Phoenix, AZ) and 2 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 Leslie Welk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leslie Welk accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Leslie Welk 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 Leslie Welk was last updated on June 9, 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.