CHRISTINA SULLIVAN DNP
NPI 1932742400
Nurse Practitioner - Psychiatric/Mental Health in Commerce Township, MI

Active since October 28, 2019PECOS EnrolledAccepts Medicare Assignment
774 POLVADERA ST, COMMERCE TOWNSHIP, MI 48382(952) 836-9608 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 11, 2025, Feb 8, 2021, Oct 28, 2019 (3 updates tracked since 2019).

About Christina Sullivan Dnp NPPES

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

CHRISTINA SULLIVAN DNP (NPI 1932742400) is an individual psychiatric/mental health provider in Commerce Township, Michigan, licensed in Arkansas (217955) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1932742400
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCHRISTINA SULLIVANCredential: DNP
Location Address774 POLVADERA STCommerce Township, MI 48382-3951
Mailing Address774 Polvadera StCommerce Township, MI 48382-3951 · (952) 836-9608
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateOctober 28, 2019
Last NPPES UpdateDecember 11, 20253 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1932742400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in AR · 217955
774 POLVADERA ST, Commerce Township, MI 48382

Other Names 1

Former Name (1)Christina Froehling Np

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

Christina Sullivan Dnp 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 ID2264867951
PECOS Enrollment IDI20250805000575
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

3

Medicare enrollment records show Christina Sullivan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry
320 N MAIN ST STE 300
Ann Arbor, MI 48104
  • Reassigned Medicare billing, Michigan enrollment
  • 9 clinicians in this Medicare group
Family Medicine
2900 CURVE CREST BLVD
Stillwater, MN 55082
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,361 clinicians in this Medicare group
Psychiatry
10301 MAYO DR
Barling, AR 72923
  • Reassigned Medicare billing, Arkansas enrollment
  • 14 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 2

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.
75 services14 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48382 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

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 Christina Sullivan's NPI number?

The NPI number for Christina Sullivan is 1932742400. It was assigned to this individual provider in the NPPES registry on October 28, 2019. The provider is also known as Christina Froehling Np.

Where is Christina Sullivan located?

Christina Sullivan practices at 774 Polvadera St, Commerce Township, MI 48382. The listed phone number is (952) 836-9608.

What is Christina Sullivan's specialty?

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

Is Christina Sullivan enrolled in Medicare?

Yes. Christina Sullivan 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 Christina Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Sullivan reassigns Medicare benefits to 3 organizations: Michigan Advanced Psychiatry, P.C. (Ann Arbor, MI), Healtheast Medical Research Institute (Stillwater, MN) and Valley Behavioral Health System, LLC (Barling, AR). 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 Christina Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christina Sullivan accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Health Advantage, Octave and Oscar Insurance Company and 2 other insurers list Christina Sullivan 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 Christina Sullivan was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.