Mary Alfonsin, ARNP
NPI 1861873556 · Family Nurse Practitioner · Kansas City, KS
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Alfonsin, ARNP is a Family Nurse Practitioner provider in Kansas City, KS (NPI 1861873556).
Provider details
- NPI number
- 1861873556
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- 13-98436 (KS)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
149 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 126 | $64 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 12 | $40 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 11 | $97 |
Typical Medicare-allowed amounts for these services range $40–$97 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-18
- Last updated
- 2015-06-18
Frequently asked questions
- What is Mary Alfonsin's NPI number?
- Mary Alfonsin's National Provider Identifier (NPI) is 1861873556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Alfonsin's specialty?
- Mary Alfonsin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Alfonsin located?
- Mary Alfonsin's practice location on file with NPPES is University of Kansas Hospital, Kansas City, KS 66160-0001.
- What is Mary Alfonsin's phone number?
- The practice phone number listed in the NPPES registry for Mary Alfonsin is (913) 588-6029.
- Does Mary Alfonsin accept Medicare?
- Mary Alfonsin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Alfonsin's NPI active?
- Yes — Mary Alfonsin's NPI (1861873556) is active in the NPPES registry as of the last update on 2015-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.