MARY ALFONSIN ARNP
NPI 1861873556
Nurse Practitioner - Family in Kansas City, KS

Active since June 18, 2015PECOS EnrolledAccepts Medicare Assignment
91.89/100
CMS Quality Rating
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD. MAIL STOP 2018, KANSAS CITY, KS 66160(913) 588-6029(913) 588-4085 Get Directions Write a Review

NPPES record last updated: June 18, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Alfonsin Arnp NPPES

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

MARY ALFONSIN ARNP (NPI 1861873556) is an individual family provider in Kansas City, Kansas, licensed in Kansas (TMP 151317) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with University Of Kansas Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1861873556
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY ALFONSINCredential: ARNP
Location AddressUNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD. MAIL STOP 2018Kansas City, KS 66160-0001
Mailing AddressUniversity Of Kansas Hospital, 3901 Rainbow Blvd. Mail Stop 2018Kansas City, KS 66160-0001 · (913) 588-6029 · Fax (913) 588-4085
Fax(913) 588-4085
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJune 18, 2015
✔ NPI 1861873556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in KS · TMP 151317
Also ListedRegistered NurseTaxonomy 163W00000X · License 13-98436 (KS), 2007016746 (MO)
UNIVERSITY OF KANSAS HOSPITAL, Kansas City, KS 66160

Other Names 1

Former Name (1)Mary St. George

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

Mary Alfonsin Arnp 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 ID6002122850
PECOS Enrollment IDI20150825004052
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

2

Medicare enrollment records show Mary Alfonsin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
4000 CAMBRIDGE ST
Kansas City, KS 66160
  • Reassigned Medicare billing, Kansas enrollment
  • 2,139 clinicians in this Medicare group
Multi-Specialty
4000 CAMBRIDGE ST
Kansas City, KS 66160
  • Reassigned Medicare billing, Kansas enrollment
  • 323 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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
126 services78 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
12 services12 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

University Of Kansas Hospital

Acute Care Hospitals · Kansas City, KS
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number170040
Location4000 Cambridge StreetKansas City, KS 66160 · Wyandotte County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66160 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
$81.98 typical visit price
range $53.00 – $161.67
Typical copayment $20.49 (range $13.25 – $40.41)
Most-billed visit code 99203
Established Patient
$94.12 typical visit price
range $16.88 – $132.11
Typical copayment $23.53 (range $4.22 – $33.02)
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.

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.

91.89/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.17
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 8

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

Student in an Organized Health Care Education/Training Program
UNIVERSITY OF KANSAS HOSPITAL
KANSAS CITY, KS 66160
Registered Nurse (Continuing Education/Staff Development)
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD
KANSAS CITY, KS 66160
Urology
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD, M.S. 3016
KANSAS CITY, KS 66160
Internal Medicine
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD.
KANSAS CITY, KS 66160
Emergency Medicine
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD, MAIL STOP 1045
KANSAS CITY, KS 66160
Clinical Nurse Specialist (Psychiatric/Mental Health, Adult)
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD (DEPT OF NURSING)
KANSAS CITY, KS 66160
Nurse Practitioner (Neonatal, Critical Care)
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD.
KANSAS CITY, KS 66160
Psychologist
UNIVERSITY OF KANSAS HOSPITAL, 3901 RAINBOW BLVD., MAIL STOP 1059
KANSAS CITY, KS 66160

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 Mary Alfonsin's NPI number?

The NPI number for Mary Alfonsin is 1861873556. It was assigned to this individual provider in the NPPES registry on June 18, 2015. The provider is also known as Mary St. George.

Where is Mary Alfonsin located?

Mary Alfonsin practices at University Of Kansas Hospital 3901 Rainbow Blvd. Mail Stop 2018, Kansas City, KS 66160. The listed phone number is (913) 588-6029.

What is Mary Alfonsin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Alfonsin enrolled in Medicare?

Yes. Mary Alfonsin 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 Mary Alfonsin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Alfonsin reassigns Medicare benefits to 2 organizations: Kansas University Physicians Inc (Kansas City, KS) and University Of Kansas Hospital Authority (Kansas City, KS). 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 Mary Alfonsin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Alfonsin accept?

Health plans from Blue Cross and Blue Shield of Kansas City list Mary Alfonsin 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 Mary Alfonsin affiliated with any hospitals?

According to CMS data, Mary Alfonsin is affiliated with University Of Kansas Hospital.

When was this NPI record last updated?

The NPPES record for Mary Alfonsin was last updated on June 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.