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ROSEMARY LYNN NIELSEN
NPI 1649755380
Social Worker - Clinical in Buena Park, CA

Active since September 28, 2018PECOS EnrolledAccepts Medicare Assignment
1850 KNOTT AVE, BUENA PARK, CA 90620(714) 236-3876 Get Directions Write a Review

NPPES record last updated: September 28, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Rosemary Lynn Nielsen NPPES

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

ROSEMARY LYNN NIELSEN (NPI 1649755380) is an individual clinical provider in Buena Park, California, licensed in California (82774) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1649755380
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameROSEMARY LYNN NIELSEN
Location Address1850 KNOTT AVEBuena Park, CA 90620
Mailing Address201 S Bedford StLa Habra, CA 90631-5607 · (310) 489-2133
Phone(714) 236-3876
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateSeptember 28, 2018
✔ NPI 1649755380 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 CA · 82774
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.
1850 KNOTT AVE, Buena Park, CA 90620
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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

Rosemary Lynn Nielsen 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 ID1658765094
PECOS Enrollment IDI20220228002165
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90620 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 $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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 Rosemary Nielsen's NPI number?

The NPI number for Rosemary Nielsen is 1649755380. It was assigned to this individual provider in the NPPES registry on September 28, 2018.

Where is Rosemary Nielsen located?

Rosemary Nielsen practices at 1850 Knott Ave, Buena Park, CA 90620. The listed phone number is (714) 236-3876.

What is Rosemary Nielsen's specialty?

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

Is Rosemary Nielsen enrolled in Medicare?

Yes. Rosemary Nielsen 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.

When was this NPI record last updated?

The NPPES record for Rosemary Nielsen was last updated on September 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.