MARY M CALLAHAN ARNP
NPI 1831151638
Nurse Practitioner - Family in Winter Park, FL

Active since April 05, 2006PECOS EnrolledAccepts Medicare Assignment
78.01/100
CMS Quality Rating
1925 MIZELL AVE, SUITE 201, WINTER PARK, FL 32792(407) 628-0448 Get Directions Write a Review

NPPES record last updated: June 11, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary M Callahan Arnp NPPES

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

MARY M CALLAHAN ARNP (NPI 1831151638) is an individual family provider in Winter Park, Florida, licensed in Florida (3060172) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1831151638
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY M CALLAHANCredential: ARNP
Location Address1925 MIZELL AVE, SUITE 201Winter Park, FL 32792-4106
Mailing Address1926 Lake Sue DrOrlando, FL 32803-1657 · (407) 252-6719
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateApril 5, 2006
Last NPPES UpdateJune 11, 2010
NPI 1831151638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in FL · 3060172
1925 MIZELL AVE, Winter Park, FL 32792

Other Identifiers 1

Medicare UPINQ27279FL

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

Mary M Callahan 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 ID5496718025
PECOS Enrollment IDI20041104001167
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.

Areas of Expertise CMS Part B claims 5

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
174 services173 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.
60 services40 patients
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.
46 services38 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.
26 services25 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
22 services21 patients

Hospital Affiliations CMS Care Compare

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

Adventhealth Orlando

Acute Care Hospitals · Orlando, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100007
Location601 E Rollins StOrlando, FL 32803 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32792 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

78.01/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality57.51
Promoting Interoperability100
Improvement Activities40
Cost69.18

Other Providers at the Same Location NPPES 15

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

Ophthalmology
1925 MIZELL AVE, SUITE 302
WINTER PARK, FL 32792
Obstetrics & Gynecology
1925 MIZELL AVE, SUITE 206
WINTER PARK, FL 32792
Obstetrics & Gynecology
1925 MIZELL AVE, STE 104
WINTER PARK, FL 32792
Family Medicine
1925 MIZELL AVE, SUITE 206
WINTER PARK, FL 32792
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1925 MIZELL AVE, SUITE 201
WINTER PARK, FL 32792
Plastic Surgery
1925 MIZELL AVE, SUITE 303
WINTER PARK, FL 32792
Obstetrics & Gynecology
1925 MIZELL AVE, SUITE 206
WINTER PARK, FL 32792
Specialist
1925 MIZELL AVE, SUITE 302
WINTER PARK, FL 32792

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 Callahan's NPI number?

The NPI number for Mary Callahan is 1831151638. It was assigned to this individual provider in the NPPES registry on April 5, 2006.

Where is Mary Callahan located?

Mary Callahan practices at 1925 Mizell Ave Suite 201, Winter Park, FL 32792. The listed phone number is (407) 628-0448.

What is Mary Callahan's specialty?

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

Is Mary Callahan enrolled in Medicare?

Yes. Mary Callahan 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 Mary Callahan accept?

Health plans from Wellpoint list Mary Callahan 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 Callahan affiliated with any hospitals?

According to CMS data, Mary Callahan is affiliated with Adventhealth Orlando.

When was this NPI record last updated?

The NPPES record for Mary Callahan was last updated on June 11, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.