NATHAN SHARKEY ASNER DO
NPI 1407506611
Family Medicine in Rockford, IL

Active since March 29, 2022PECOS EnrolledAccepts Medicare Assignment
2404 CHARLES ST, ROCKFORD, IL 61108(779) 696-7910 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 28, 2026, Jul 25, 2022, Apr 12, 2022 (3 updates tracked since 2022).

About Nathan Sharkey Asner Do NPPES

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

NATHAN SHARKEY ASNER DO (NPI 1407506611) is an individual family medicine provider in Rockford, Illinois, licensed in Illinois (036.176248) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Uw Health, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1407506611
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameNATHAN SHARKEY ASNERCredential: DO
Location Address2404 CHARLES STRockford, IL 61108-1602
Mailing Address4159 Crocus LnRockford, IL 61102-4467 · (155) 435-2928
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 29, 2022
Last NPPES UpdateMay 28, 20263 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
NPI 1407506611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IL · 036.176248
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2404 CHARLES ST, Rockford, IL 61108

Accepted 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

Nathan Sharkey Asner Do 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 ID8123400876
PECOS Enrollment IDI20251014002246
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.

Hospital Affiliations CMS Care Compare

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

Uw Health

Acute Care Hospitals · Rockford, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140228
Location1401 East State StreetRockford, IL 61104 · Winnebago County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61108 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

Other Providers at the Same Location NPPES 10

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

Family Medicine
2404 CHARLES ST
ROCKFORD, IL 61108
Family Medicine
2404 CHARLES ST
ROCKFORD, IL 61108
Family Medicine
2404 CHARLES ST
ROCKFORD, IL 61108
Family Medicine
2404 CHARLES ST
ROCKFORD, IL 61108
Family Medicine
2404 CHARLES ST
ROCKFORD, IL 61108
Family Medicine
2404 CHARLES ST
ROCKFORD, IL 61108
Nurse Practitioner (Family)
2404 CHARLES ST
ROCKFORD, IL 61108
Family Medicine
2404 CHARLES ST
ROCKFORD, IL 61108

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 Nathan Asner's NPI number?

The NPI number for Nathan Asner is 1407506611. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Where is Nathan Asner located?

Nathan Asner practices at 2404 Charles St, Rockford, IL 61108. The listed phone number is (779) 696-7910.

What is Nathan Asner's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Nathan Asner enrolled in Medicare?

Yes. Nathan Asner 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.

What insurance does Nathan Asner accept?

Health plans from Quartz list Nathan Asner 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 Nathan Asner affiliated with any hospitals?

According to CMS data, Nathan Asner is affiliated with Uw Health.

When was this NPI record last updated?

The NPPES record for Nathan Asner was last updated on May 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.