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ROSEMARY EILEEN PARKER ACSW
NPI 1073051173
Social Worker in West Sacramento, CA

Active since February 09, 2017PECOS EnrolledAccepts Medicare Assignment
500B JEFFERSON BLVD STE 180, WEST SACRAMENTO, CA 95605(916) 403-2900(530) 204-5248 Get Directions Write a Review

NPPES record last updated: June 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 11, 2025, Oct 5, 2022, Sep 2, 2022 and 1 more (4 updates tracked since 2017).

About Rosemary Eileen Parker Acsw NPPES

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

ROSEMARY EILEEN PARKER ACSW (NPI 1073051173) is an individual social worker in West Sacramento, California, licensed in California (LCSW130479) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1073051173
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameROSEMARY EILEEN PARKERCredential: ACSW
Location Address500B JEFFERSON BLVD STE 180West Sacramento, CA 95605-2394
Mailing Address500 Jefferson Blvd Ste B195West Sacramento, CA 95605-2350 · (916) 403-2970
Phone(916) 403-2900
Fax(530) 204-5248
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 9, 2017
Last NPPES UpdateJune 11, 20254 updates tracked since enumeration
NPPES CertifiedJune 11, 2025
✔ NPI 1073051173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · LCSW130479
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License LCSW130479 (CA)
500B JEFFERSON BLVD STE 180, West Sacramento, CA 95605
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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

Rosemary Eileen Parker Acsw 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 ID4486165149
PECOS Enrollment IDI20250618003198
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 Rosemary Parker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ole Health
36 mi
Federally Qualified Health Center (FQHC)
1101 B GALE WILSON BLVD STE 101C
Fairfield, CA 94533
  • Reassigned Medicare billing, California enrollment
  • 116 clinicians in this Medicare group
NPI 1316429558 (707) 254-1770
Brightside Medical, P.C.
77 mi
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Brightside Medical PC
  • 63 clinicians in this Medicare group
NPI 1801355482 (415) 360-3348
Sud Specialty Group - Ca
86 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088
Grow Healthcare Group PC
89 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 3

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

SHANLEY MORGAN SCHOENHOFER RD
Dietitian, Registered
500B JEFFERSON BLVD STE 180
WEST SACRAMENTO, CA 95605
Yolo County (916) 403-2900
PA GAIRYR YANG
Social Worker (Clinical)
500B JEFFERSON BLVD STE 180
WEST SACRAMENTO, CA 95605
Yolo County (916) 403-2900
ELAHEH NAKHAI RN
Registered Nurse (Community Health)
500B JEFFERSON BLVD STE 180
WEST SACRAMENTO, CA 95605
Yolo County (916) 403-2900

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 Parker's NPI number?

The NPI number for Rosemary Parker is 1073051173. It was assigned to this individual provider in the NPPES registry on February 9, 2017.

Where is Rosemary Parker located?

Rosemary Parker practices at 500B Jefferson Blvd Ste 180, West Sacramento, CA 95605. The listed phone number is (916) 403-2900.

What is Rosemary Parker's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Rosemary Parker enrolled in Medicare?

Yes. Rosemary Parker 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 Rosemary Parker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rosemary Parker reassigns Medicare benefits to 4 organizations: Ole Health (Fairfield, CA), Brightside Medical, P.C. (San Francisco, CA), Sud Specialty Group - Ca (Santa Clara, CA) and Grow Healthcare Group PC (San Jose, CA). 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 Rosemary Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rosemary Parker was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.