ADVANCED CARE MULTISPECIALTY MEDICAL GROUP APC
NPI 1164041422
Internal Medicine - Nephrology in Thousand Oaks, CA

Q: What is Advanced Care Multispecialty Medical Group Apc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since April 15, 2020

325 ROLLING OAKS DR STE 130, THOUSAND OAKS, CA 91361(805) 497-7775 Get Directions Write a Review

NPPES record last updated: February 6, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2025, Aug 24, 2022, May 25, 2022 and 1 more (4 updates tracked since 2020).

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About Advanced Care Multispecialty Medical Group Apc NPPES

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

ADVANCED CARE MULTISPECIALTY MEDICAL GROUP APC (NPI 1164041422) is a healthcare organization registered as a nephrology in Thousand Oaks, California and active in the NPI registry since April 2020. The organization maintains a secondary practice location in Thousand Oaks and lists Hashim A Mapara, President, as its authorized official.

NPPES Registry Identity

NPI1164041422

Entity TypeOrganization

Primary Taxonomy207RN0300X

Legal Business NameADVANCED CARE MULTISPECIALTY MEDICAL GROUP APC

Location Address325 ROLLING OAKS DR STE 130Thousand Oaks, CA 91361-1286

Mailing Address4000 Calle Tecate Ste 115Camarillo, CA 93012-5285 · (805) 485-2400 · Fax (805) 233-3025

Phone(805) 497-7775

Organization SubpartNo

Authorized OfficialHashim A MaparaPresident · (718) 909-6580

Enumeration DateApril 15, 2020

Last NPPES UpdateFebruary 6, 20254 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2025

✔ NPI 1164041422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedHospitalistTaxonomy 208M00000X

325 ROLLING OAKS DR STE 130, Thousand Oaks, CA 91361

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Secondary Practice Location 1

Location 1227 W Janss Rd Ste 110Thousand Oaks, CA 91360-1854 · Phone (805) 496-6051 · Fax (805) 496-6785

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Advanced Care Multispecialty Medical Group Apc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Advanced Care Multispecialty Medical Group Apc, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Hashim Mapara, MD

Hospitalist

NPI 1306074927

1900 OUTLET CENTER DR
Oxnard, CA 93036

(805) 983-8049

✔ PECOS✔ Accepts Medicare16 mi

Sarah Shirazi, M.D.

Internal Medicine

NPI 1952633802

5 MASONIC AVE
Camden, NY 13316

(315) 245-3192

✔ PECOS✔ Accepts Medicare2,385 mi

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

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 Advanced Care Multispecialty Medical Group Apc's NPI number?

The NPI number for Advanced Care Multispecialty Medical Group Apc is 1164041422. It was assigned to this organization in the NPPES registry on April 15, 2020.

Where is Advanced Care Multispecialty Medical Group Apc located?

Advanced Care Multispecialty Medical Group Apc is located at 325 Rolling Oaks Dr Ste 130, Thousand Oaks, CA 91361. The listed phone number is (805) 497-7775.

What is Advanced Care Multispecialty Medical Group Apc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Advanced Care Multispecialty Medical Group Apc enrolled in Medicare?

Yes. Advanced Care Multispecialty Medical Group Apc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Advanced Care Multispecialty Medical Group Apc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Advanced Care Multispecialty Medical Group Apc, in Hospitalist and Internal Medicine. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Advanced Care Multispecialty Medical Group Apc accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Advanced Care Multispecialty Medical Group Apc 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 Advanced Care Multispecialty Medical Group Apc was last updated on February 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.