1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Obstetrics Gynecology
  6. NPI Profile

KATHERINE MUELLER GILLOGLEY M.D.
NPI 1396759742
Obstetrics & Gynecology in Sacramento, CA

Active since July 28, 2006PECOS Enrolled
96.5/100
CMS Quality Rating
8120 TIMBERLAKE WAY, SACRAMENTO, CA 95823(916) 681-6000(916) 681-6001 Get Directions Write a Review

NPPES record last updated: February 10, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katherine Mueller Gillogley M.d. NPPES

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

KATHERINE MUELLER GILLOGLEY M.D. (NPI 1396759742) is an individual obstetrics & gynecology provider in Sacramento, California, licensed in California (G56083) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396759742
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHERINE MUELLER GILLOGLEYCredential: M.D.
Location Address8120 TIMBERLAKE WAYSacramento, CA 95823-5412
Mailing Address3400 Data DrRancho Cordova, CA 95670-7956
Phone(916) 681-6000
Fax(916) 681-6001
Sole ProprietorNo
Enumeration DateJuly 28, 2006
Last NPPES UpdateFebruary 10, 2012
✔ NPI 1396759742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G56083
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
8120 TIMBERLAKE WAY, Sacramento, CA 95823
Open in Google Maps ↗

Other Identifiers 15

OtherMCMG169600CA · Western Health Advantage
OtherG56083CA · Blue Cross
Other1089846CA · Great West
Other233715CA · United Healthcare
Other512244CA · First Health
Medicare UPINA53082
Other00G560830CA · Blue Shield
Other000810342829CA · Phcs
Other005823CA · Health Net
Other90026763CA · Pacificare
Other3181696CA · Cigna
Medicare ID-Type Unspecified00G560830CA
Medicaid00G560830CA
Other4508714CA · Aetna
Other7297CA · Interplan

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Mueller Gillogley M.d. 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 Reassignment

Medicare enrollment records show Katherine Gillogley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The Univ Of Ca
6.4 mi
Clinical Child & Adolescent
2825 50TH ST
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
NPI 1447423959 (916) 703-0315

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 95823 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
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.

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.

96.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.34
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

CHRISTINA VOGEL O.D.
Optometrist
8120 TIMBERLAKE WAY, STE 211
SACRAMENTO, CA 95823
Sacramento County (916) 423-2134
CHERIE L COOPER NP
Nurse Practitioner
8120 TIMBERLAKE WAY, STE 101
SACRAMENTO, CA 95823
Sacramento County (916) 423-2124
DEAN P. RINARD M.D.
Internal Medicine
8120 TIMBERLAKE WAY
SACRAMENTO, CA 95823
Sacramento County (916) 681-6000
DR. NATALIE WESSEL BULOCK DO
Obstetrics & Gynecology
8120 TIMBERLAKE WAY, SUITE 102
SACRAMENTO, CA 95823
Sacramento County (916) 681-6102
MARIANA KURCHIN
Nurse Practitioner (Family)
8120 TIMBERLAKE WAY
SACRAMENTO, CA 95823
Sacramento County (916) 525-7400
JOE P LE M.D.
Family Medicine
8120 TIMBERLAKE WAY, STE. 207
SACRAMENTO, CA 95823
Sacramento County (916) 691-5855
PROCEDURE CENTER OF SOUTH SACRAMENTO INC
Clinic/Center (Ambulatory Surgical)
8120 TIMBERLAKE WAY, STE 103
SACRAMENTO, CA 95823
Sacramento County (916) 423-2124
DR. JOHN T HATA M.D.
Internal Medicine (Gastroenterology)
8120 TIMBERLAKE WAY, STE 101
SACRAMENTO, CA 95823
Sacramento County (916) 423-2124

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 Katherine Gillogley's NPI number?

The NPI number for Katherine Gillogley is 1396759742. It was assigned to this individual provider in the NPPES registry on July 28, 2006.

Where is Katherine Gillogley located?

Katherine Gillogley practices at 8120 Timberlake Way, Sacramento, CA 95823. The listed phone number is (916) 681-6000.

What is Katherine Gillogley's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Katherine Gillogley enrolled in Medicare?

Yes. Katherine Gillogley is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Gillogley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Gillogley reassigns Medicare benefits to Regents Of The Univ Of Ca (Sacramento, CA). The 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 Katherine Gillogley'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 Katherine Gillogley was last updated on February 10, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.