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MARIANNE GREGORICH FNP
NPI 1861727653
Nurse Practitioner - Family in Indian Wells, CA

Active since October 12, 2009PECOS Enrolled
85.71/100
CMS Quality Rating
74785 US HIGHWAY 111 STE 101, INDIAN WELLS, CA 92210(760) 322-8883 Get Directions Write a Review

NPPES record last updated: March 27, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 9, 2021, Oct 23, 2017 (2 updates tracked since 2017).

About Marianne Gregorich Fnp NPPES

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

MARIANNE GREGORICH FNP (NPI 1861727653) is an individual family provider in Indian Wells, California, licensed in California (95007760) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1861727653
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIANNE GREGORICHCredential: FNP
Location Address74785 US HIGHWAY 111 STE 101Indian Wells, CA 92210-7129
Mailing Address74785 Us Highway 111 Ste 101Indian Wells, CA 92210-7129 · (608) 279-6626 · Fax (310) 582-7996
Phone(760) 322-8883
Sole ProprietorNo
Enumeration DateOctober 12, 2009
Last NPPES UpdateMarch 27, 20242 updates tracked since enumeration
NPPES CertifiedMarch 27, 2024
✔ NPI 1861727653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95007760
74785 US HIGHWAY 111 STE 101, Indian Wells, CA 92210
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11720 EsplanadeChico, CA 95926-3315 · Phone (760) 322-8883
Location 247647 Caleo Bay Dr Ste 100LA Quinta, CA 92253-8857 · Phone (760) 322-8883

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marianne Gregorich Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Marianne Gregorich reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Halo Medical Group
Same address
Diagnostic Radiology
74785 US HIGHWAY 111, SUITE 101
Indian Wells, CA 92210
  • Reassigned Medicare billing, California enrollment
  • 58 clinicians in this Medicare group
NPI 1467506451 (760) 776-8989
Hmg Urology PC
Same address
Family Medicine
74785 US HIGHWAY 111 STE 101
Indian Wells, CA 92210
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1770210684 (760) 776-8989
Cedars-Sinai Medical Care Foundation
118 mi
Specialist
6500 WILSHIRE BLVD FL 15
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
NPI 1316984388 (310) 385-3200
Palms Imaging Medical Group
164 mi
Diagnostic Radiology
1901 OUTLET CENTER DRIVE
Oxnard, CA 93036
  • Reassigned Medicare billing, California enrollment
  • 62 clinicians in this Medicare group
NPI 1851347272 (805) 604-9500

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92210 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.67
Promoting Interoperability100
Improvement Activities40
Cost61.47

Other Providers at the Same Location NPPES 6

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

ADAM JAMES BROCHERT M.D.
Radiology (Diagnostic Radiology)
74785 US HIGHWAY 111 STE 101
INDIAN WELLS, CA 92210
Riverside County (760) 836-3835
KARA GENO APN
Nurse Practitioner (Family)
74785 US HIGHWAY 111 STE 101
INDIAN WELLS, CA 92210
Riverside County (760) 776-8989
SARAH NICOLE KATZ AGPCNP
Nurse Practitioner (Primary Care)
74785 US HIGHWAY 111 STE 101
INDIAN WELLS, CA 92210
Riverside County (760) 322-8883
RAFAL RYSZARD KURZAWA M.D.
Family Medicine
74785 US HIGHWAY 111 STE 101
INDIAN WELLS, CA 92210
Riverside County (760) 568-5949
SARAH R COLSON NP
Nurse Practitioner (Family)
74785 US HIGHWAY 111 STE 101
INDIAN WELLS, CA 92210
Riverside County (760) 776-8989
HMG UROLOGY PC
Family Medicine
74785 US HIGHWAY 111 STE 101
INDIAN WELLS, CA 92210
Riverside County (760) 776-8989

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 Marianne Gregorich's NPI number?

The NPI number for Marianne Gregorich is 1861727653. It was assigned to this individual provider in the NPPES registry on October 12, 2009.

Where is Marianne Gregorich located?

Marianne Gregorich practices at 74785 Us Highway 111 Ste 101, Indian Wells, CA 92210. The listed phone number is (760) 322-8883.

What is Marianne Gregorich's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marianne Gregorich enrolled in Medicare?

Yes. Marianne Gregorich is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marianne Gregorich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marianne Gregorich reassigns Medicare benefits to 4 organizations: Halo Medical Group (Indian Wells, CA), Hmg Urology PC (Indian Wells, CA), Cedars-Sinai Medical Care Foundation (Los Angeles, CA) and Palms Imaging Medical Group (Oxnard, 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 Marianne Gregorich'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 Marianne Gregorich was last updated on March 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.