Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GERRI LYNN HAGADON-SZAKAL MSN, CNP, DNP, PMHNP
NPI 1831193358
Nurse Practitioner - Psychiatric/Mental Health in Owosso, MI

Active since June 13, 2005PECOS Enrolled
721 N SHIAWASSEE ST STE 201, OWOSSO, MI 48867(989) 725-8124(989) 723-1205 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, Jan 8, 2019 (2 updates tracked since 2019).

About Gerri Lynn Hagadon-szakal Msn, Cnp, Dnp, Pmhnp NPPES

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

GERRI LYNN HAGADON-SZAKAL MSN, CNP, DNP, PMHNP (NPI 1831193358) is an individual psychiatric/mental health provider in Owosso, Michigan, licensed in Michigan (4704152236) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1831193358
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameGERRI LYNN HAGADON-SZAKALCredential: MSN, CNP, DNP, PMHNP
Location Address721 N SHIAWASSEE ST STE 201Owosso, MI 48867-1632
Mailing Address721 N Shiawassee St Ste 201Owosso, MI 48867-1632 · (989) 725-8124 · Fax (989) 723-1205
Fax(989) 723-1205
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJune 13, 2005
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
NPI 1831193358 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in MI · 4704152236
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 4704152236 (MI)
721 N SHIAWASSEE ST STE 201, Owosso, MI 48867

Other Names 1

Former Name (1)Gerri L Hagadon

Other Identifiers 1

Medicaid1831193358MI

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

Gerri Lynn Hagadon-szakal Msn, Cnp, Dnp, Pmhnp 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 ID4385611433
PECOS Enrollment IDI20040916000819
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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
50 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48867 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 2

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

Social Worker
721 N SHIAWASSEE ST STE 201
OWOSSO, MI 48867
Physician Assistant
721 N SHIAWASSEE ST STE 201
OWOSSO, MI 48867

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 Gerri Hagadon-szakal's NPI number?

The NPI number for Gerri Hagadon-szakal is 1831193358. It was assigned to this individual provider in the NPPES registry on June 13, 2005. The provider is also known as Gerri L Hagadon.

Where is Gerri Hagadon-szakal located?

Gerri Hagadon-szakal practices at 721 N Shiawassee St Ste 201, Owosso, MI 48867. The listed phone number is (989) 725-8124.

What is Gerri Hagadon-szakal's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Gerri Hagadon-szakal enrolled in Medicare?

Yes. Gerri Hagadon-szakal 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 Gerri Hagadon-szakal accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community, Oscar Insurance Company and Priority Health and 1 other insurer list Gerri Hagadon-szakal 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.

When was this NPI record last updated?

The NPPES record for Gerri Hagadon-szakal was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.