DR. CATHERINE ANNE GRELLET M.D.
NPI 1053418939
Internal Medicine in Los Gatos, CA

Active since September 20, 2006PECOS Enrolled
15251 NATIONAL AVE, SUITE 104, LOS GATOS, CA 95032(408) 358-7360(408) 358-7357 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Catherine Anne Grellet M.d. NPPES

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

DR. CATHERINE ANNE GRELLET M.D. (NPI 1053418939) is an individual internal medicine provider in Los Gatos, California, licensed in California (G55508) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053418939
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CATHERINE ANNE GRELLETCredential: M.D.
Location Address15251 NATIONAL AVE, SUITE 104Los Gatos, CA 95032-2400
Mailing Address15251 National Ave, Suite 104Los Gatos, CA 95032-2400 · (408) 358-7360 · Fax (408) 358-7357
Fax(408) 358-7357
Sole ProprietorNo
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1053418939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · G55508
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
15251 NATIONAL AVE, Los Gatos, CA 95032

Other Identifiers 2

Other77-0187703CA · Ein
Medicare UPINA52965CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Catherine Anne Grellet 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95032 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
99%160 patients4/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
97%194 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%200 patients5/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
100%144 patients5/55-star benchmark: 98%
Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older
Percentage of female patients aged 65 years and older who were assessed for the presence or absence of urinary incontinence within 12 months
100%154 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 14

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

Physician Assistant (Medical)
15251 NATIONAL AVE, SUITE 108
LOS GATOS, CA 95032
Obstetrics & Gynecology
15251 NATIONAL AVE, SUITE 106
LOS GATOS, CA 95032
Specialist
15251 NATIONAL AVE, SUITE 106
LOS GATOS, CA 95032
Physical Therapist
15251 NATIONAL AVE, SUITE 203
LOS GATOS, CA 95032
Occupational Therapist (Hand)
15251 NATIONAL AVE, SUITE 203
LOS GATOS, CA 95032
Physical Therapist
15251 NATIONAL AVE, SUITE 203
LOS GATOS, CA 95032
Obstetrics & Gynecology
15251 NATIONAL AVE, SUITE #106
LOS GATOS, CA 95032
Clinic/Center (Ambulatory Surgical)
15251 NATIONAL AVE, SUITE 207
LOS GATOS, CA 95032

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 Catherine Grellet's NPI number?

The NPI number for Catherine Grellet is 1053418939. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Catherine Grellet located?

Catherine Grellet practices at 15251 National Ave Suite 104, Los Gatos, CA 95032. The listed phone number is (408) 358-7360.

What is Catherine Grellet's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Catherine Grellet enrolled in Medicare?

Yes. Catherine Grellet is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Catherine Grellet was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.