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ADVANCED UROLOGY, PLLC
NPI 1528618303
Urology in Boulder, CO

Active since September 13, 2019CLIA 06D0891384 · Microscopy
4743 ARAPAHOE AVE STE 104, BOULDER, CO 80303(303) 444-9000 Get Directions Write a Review

NPPES record last updated: May 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 8, 2025, Mar 5, 2024, Sep 13, 2019 (3 updates tracked since 2019).

About Advanced Urology, Pllc NPPES

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

ADVANCED UROLOGY, PLLC (NPI 1528618303) is a healthcare organization registered as an urology in Boulder, Colorado and active in the NPI registry since September 2019. The organization holds a CLIA Microscopy certificate valid through June 20, 2027 and lists John Kefer, Ao, as its authorized official.

NPPES Registry Identity

NPI1528618303
Entity TypeOrganization
Primary Taxonomy208800000X
Legal Business NameADVANCED UROLOGY, PLLC
Location Address4743 ARAPAHOE AVE STE 104Boulder, CO 80303-1123
Mailing Address10200 Grand Central Ave Ste 220Owings Mills, MD 21117-4366 · (443) 738-2872
Phone(303) 444-9000
Organization SubpartNo
Authorized OfficialJohn KeferAo · (303) 666-4343
Enumeration DateSeptember 13, 2019
Last NPPES UpdateMay 1, 20253 updates tracked since enumeration
NPPES CertifiedMay 1, 2025
✔ NPI 1528618303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
4743 ARAPAHOE AVE STE 104, Boulder, CO 80303
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Advanced Urology, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateColoradoEnrollment IDO20031120000238Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

61

Medicare enrollment records show 61 clinicians reassign Medicare billing to Advanced Urology, PLLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 10 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Urology39
Radiation Oncology8
Nurse Practitioner7
Diagnostic Radiology4
Interventional Radiology1
Nuclear Medicine1
Pathology1

Nearest to this location (20)

See all 61
James Clark, MD
Urology
NPI 1902908593
4743 ARAPAHOE AVE
Boulder, CO 80303
(303) 444-9000
✔ PECOS✔ Accepts MedicareSame address
John Kefer, MD PHD
Urology
NPI 1174799837
4743 ARAPAHOE AVE SUITE 104
Boulder, CO 80303
(303) 444-9000
✔ PECOS✔ Accepts MedicareSame address
Sameh Melouk, MD
Urology
NPI 1841392487
4743 ARAPAHOE AVE SUITE 104
Boulder, CO 80303
(303) 444-9000
✔ PECOS✔ Accepts MedicareSame address
Austin Livingston
Urology
NPI 1053930123
4743 ARAPAHOE AVE STE 104
Boulder, CO 80303
(303) 444-9000
✔ PECOSSame address
Rachael Kjelden, FNP
Nurse Practitioner
NPI 1558855965
3 SUPERIOR DR STE 350
Superior, CO 80027
(303) 666-4343
✔ PECOS5.7 mi
Charles Anderson, MD
Urology
NPI 1477655090
3 SUPERIOR DR STE 350
Superior, CO 80027
(303) 666-4343
✔ PECOS✔ Accepts Medicare6.1 mi
Madeline Koerner, MD
Urology
NPI 1376074633
3 SUPERIOR DR STE 350
Superior, CO 80027
(303) 666-4343
✔ PECOS✔ Accepts Medicare6.1 mi
Lincoln Pao, M.D.
Radiation Oncology
NPI 1245344431
120 OLD LARAMIE TRL
Lafayette, CO 80026
(720) 457-8383
✔ PECOS8.0 mi
Erin Carter, MD
Urology
NPI 1508492349
300 EXEMPLA CIR STE 250
Lafayette, CO 80026
(720) 536-3011
✔ PECOS8.6 mi
Julio Chong, MD
Urology
NPI 1881012722
300 EXEMPLA CIR STE 250
Lafayette, CO 80026
(720) 536-3011
✔ PECOS✔ Accepts Medicare8.6 mi
Kimberly Dufraux, MS, DNP, NP-C, RN
Nurse Practitioner
NPI 1770723058
7233 CHURCH RANCH BLVD
Westminster, CO 80021
(303) 925-4038
✔ PECOS✔ Accepts Medicare12 mi
John Paddack, M.D.
Urology
NPI 1780819607
2030 MOUNTAIN VIEW AVE STE 420
Longmont, CO 80501
(303) 776-9400
✔ PECOS✔ Accepts Medicare13 mi
Leonid Aksenov, MD
Urology
NPI 1376106229
500 W 144TH AVE STE 220
Westminster, CO 80023
(720) 227-0977
✔ PECOS✔ Accepts Medicare14 mi
Michael Davenport, MD
Urology
NPI 1023374006
500 W 144TH AVE STE 220
Westminster, CO 80023
(720) 227-0977
✔ PECOS✔ Accepts Medicare14 mi
Nadia Erdmann, CRNP
Nurse Practitioner
NPI 1295986883
500 W 144TH AVE STE 220
Westminster, CO 80023
(702) 227-0977
✔ PECOS✔ Accepts Medicare14 mi
Michael Ferrandino, MD
Urology
NPI 1962611905
500 W 144TH AVE STE 220
Westminster, CO 80023
(720) 227-0977
✔ PECOS✔ Accepts Medicare14 mi
Makaela Mcnett
Nurse Practitioner
NPI 1639548134
9191 GRANT ST
Thornton, CO 80229
(303) 450-4482
✔ PECOS✔ Accepts Medicare17 mi
Vincent Lombardo, AGNP
Nurse Practitioner
NPI 1598460123
255 S ROUTT ST STE 420
Lakewood, CO 80228
(303) 985-2550
✔ PECOS✔ Accepts Medicare22 mi
Henry Chu, MD
Pathology
NPI 1558358754
7444 W ALASKA DR STE 250
Lakewood, CO 80226
(303) 592-7284
✔ PECOS✔ Accepts Medicare23 mi
James Jacobs, MD
Radiation Oncology
NPI 1861619173
1375 E 19TH AVE
Denver, CO 80218
(303) 338-4545
✔ PECOS✔ Accepts Medicare23 mi
See all 61 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 06D0891384

Advanced Urology, PLLC · Boulder, CO
Active · expires Jun 20, 2027
CLIA Number06D0891384
Laboratory TypePhysician Office
Certificate Effective DateJune 21, 2025
Certificate Expiration DateJune 20, 2027
Laboratory DirectorDr. James E. Clark
Laboratory Phone(303) 444-9000
Laboratory LocationAdvanced Urology, PLLC4743 Arapahoe Ave, Suite 104, Boulder, CO 80303
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Advanced Urology, PLLC's NPI number?

The NPI number for Advanced Urology, PLLC is 1528618303. It was assigned to this organization in the NPPES registry on September 13, 2019.

Where is Advanced Urology, PLLC located?

Advanced Urology, PLLC is located at 4743 Arapahoe Ave Ste 104, Boulder, CO 80303. The listed phone number is (303) 444-9000.

What is Advanced Urology, PLLC's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Advanced Urology, PLLC enrolled in Medicare?

Yes. Advanced Urology, PLLC is registered in the Medicare PECOS enrollment system.

When is Advanced Urology, PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Colorado, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Advanced Urology, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 61 clinicians in 7 Medicare specialties reassign their Medicare billing to Advanced Urology, PLLC. A 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 the clinician's services. The largest specialties are Urology (39), Radiation Oncology (8) and Nurse Practitioner (7). Of these, 4 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Advanced Urology, PLLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 06D0891384) is associated with this NPI, valid through June 20, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Advanced Urology, PLLC was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.