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MRS. LAUREN MILLER ROSENFELDT LCSW
NPI 1699802363
Social Worker - Clinical in Buffalo Grove, IL

Active since February 28, 2007PECOS EnrolledAccepts Medicare Assignment
1335 LARCHMONT DR, BUFFALO GROVE, IL 60089(847) 821-0573 Get Directions Write a Review

NPPES record last updated: February 7, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Lauren Miller Rosenfeldt Lcsw NPPES

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

MRS. LAUREN MILLER ROSENFELDT LCSW (NPI 1699802363) is an individual clinical provider in Buffalo Grove, Illinois, licensed in Illinois (149.009739) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1998).

NPPES Registry Identity

NPI1699802363
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. LAUREN MILLER ROSENFELDTCredential: LCSW
Location Address1335 LARCHMONT DRBuffalo Grove, IL 60089-1131
Mailing Address1335 Larchmont DrBuffalo Grove, IL 60089-1131 · (847) 821-0573
Phone(847) 821-0573
Sole ProprietorYes
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1998
Enumeration DateFebruary 28, 2007
Last NPPES UpdateFebruary 7, 2018
✔ NPI 1699802363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IL · 149.009739
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1335 LARCHMONT DR, Buffalo Grove, IL 60089
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Mrs. Lauren Miller Rosenfeldt Lcsw 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 ID6800157132
PECOS Enrollment IDI20180302000257
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

4

Medicare enrollment records show Lauren Rosenfeldt reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Silver Lining Care LLC
3.1 mi
Mental Health
1020 MILWAUKEE AVE STE 229
Deerfield, IL 60015
  • Reassigned Medicare billing, Illinois enrollment
  • 16 clinicians in this Medicare group
NPI 1962119891 (888) 628-6100
Vitae Health Medical Illinois, PLLC
17 mi
Internal Medicine
3450 OAKTON ST
Skokie, IL 60076
  • Reassigned Medicare billing, Illinois enrollment
  • 491 clinicians in this Medicare group
NPI 1174013452 (224) 777-8034
Midwest Post Acute Care PLLC
24 mi
Nurse Practitioner
3000 N HALSTED ST STE 803
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 129 clinicians in this Medicare group
NPI 1083012074 (888) 705-8722
Grow Healthcare Group PA
1,214 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Illinois enrollment
  • 581 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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 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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
276 services22 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
272 services22 patients
Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
142 services25 patients
Psychiatric services complicated by communication factor 90785
Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.
100 services13 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60089 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
$0.00 typical visit price
range $59.81 – $181.38
Typical copayment $0.00 (range $14.95 – $45.34)
Most-billed visit code NA
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
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 Lauren Rosenfeldt's NPI number?

The NPI number for Lauren Rosenfeldt is 1699802363. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is Lauren Rosenfeldt located?

Lauren Rosenfeldt practices at 1335 Larchmont Dr, Buffalo Grove, IL 60089. The listed phone number is (847) 821-0573.

What is Lauren Rosenfeldt's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Lauren Rosenfeldt enrolled in Medicare?

Yes. Lauren Rosenfeldt 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 Lauren Rosenfeldt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Rosenfeldt reassigns Medicare benefits to 4 organizations: Silver Lining Care LLC (Deerfield, IL), Vitae Health Medical Illinois, PLLC (Skokie, IL), Midwest Post Acute Care PLLC (Chicago, IL) and Grow Healthcare Group PA (Miami, FL). 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 Lauren Rosenfeldt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Rosenfeldt accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Lauren Rosenfeldt 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 Lauren Rosenfeldt was last updated on February 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.