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AMY GUZDAR
NPI 1679100614
Internal Medicine in Novato, CA

Active since March 26, 2020PECOS EnrolledAccepts Medicare Assignment
101 ROWLAND WAY STE 200, NOVATO, CA 94945(415) 878-7200(415) 369-1387 Get Directions Write a Review

NPPES record last updated: November 19, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 19, 2024, Jul 4, 2023, Mar 26, 2020 (3 updates tracked since 2020).

About Amy Guzdar NPPES

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

AMY GUZDAR (NPI 1679100614) is an individual internal medicine provider in Novato, California, licensed in California (A185363) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2020).

NPPES Registry Identity

NPI1679100614
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameAMY GUZDAR
Location Address101 ROWLAND WAY STE 200Novato, CA 94945-5056
Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (866) 681-0738 · Fax (916) 854-3769
Phone(415) 878-7200
Fax(415) 369-1387
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2020
Enumeration DateMarch 26, 2020
Last NPPES UpdateNovember 19, 20243 updates tracked since enumeration
NPPES CertifiedNovember 19, 2024
✔ NPI 1679100614 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 · A185363
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.
101 ROWLAND WAY STE 200, Novato, CA 94945
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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

Amy Guzdar 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 ID2466801451
PECOS Enrollment IDI20231215003020
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

2

Medicare enrollment records show Amy Guzdar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc
15 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555
Sutter Bay Medical Foundation
26 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94945 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
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
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.

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.

PATRICIA GLATT MD
Family Medicine
101 ROWLAND WAY STE 200
NOVATO, CA 94945
Marin County (415) 878-7200
DR. ADAEZE UDEZUE M.D
Internal Medicine
101 ROWLAND WAY STE 200
NOVATO, CA 94945
Marin County (415) 878-7200
SUKRUTI VISHAL UDESHI MD
Family Medicine
101 ROWLAND WAY STE 200
NOVATO, CA 94945
Marin County (415) 878-7200

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 Amy Guzdar's NPI number?

The NPI number for Amy Guzdar is 1679100614. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Amy Guzdar located?

Amy Guzdar practices at 101 Rowland Way Ste 200, Novato, CA 94945. The listed phone number is (415) 878-7200.

What is Amy Guzdar's specialty?

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

Is Amy Guzdar enrolled in Medicare?

Yes. Amy Guzdar 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 Amy Guzdar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amy Guzdar reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Richmond, CA) and Sutter Bay Medical Foundation (Orinda, 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 Amy Guzdar'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 Amy Guzdar was last updated on November 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.