SARA MATHEW HOLMES MD
NPI 1801174479
Internal Medicine - Nephrology in Novato, CA

Q: What is Sara Holmes's NPI number?

The NPI number for Sara Holmes is 1801174479. It was assigned to this individual provider in the NPPES registry on July 29, 2011.

Q: What is Sara Holmes's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sara Holmes was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since July 29, 2011PECOS Enrolled

97 SAN MARIN DR, NOVATO, CA 94945(415) 899-7880(415) 899-7815 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 5, 2025, Nov 8, 2023, Dec 15, 2021 (3 updates tracked since 2021).

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About Sara Mathew Holmes Md NPPES

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

SARA MATHEW HOLMES MD (NPI 1801174479) is an individual nephrology provider in Novato, California, licensed in District Of Columbia (MD600004898) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Washington, and is a graduate of Temple University School Of Medicine (2006).

NPPES Registry Identity

NPI1801174479

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameSARA MATHEW HOLMESCredential: MD

Location Address97 SAN MARIN DRNovato, CA 94945-1100

Mailing Address97 San Marin DrNovato, CA 94945-1100 · (415) 899-7880 · Fax (415) 899-7815

Phone(415) 899-7880

Fax(415) 899-7815

Sole ProprietorNo

Medical School CMSTemple University School Of MedicineGraduated 2006

Enumeration DateJuly 29, 2011

Last NPPES UpdateNovember 5, 20253 updates tracked since enumeration

NPPES CertifiedNovember 5, 2025

✔ NPI 1801174479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in DC · MD600004898✔ Licensed in PA · MD443610✔ Licensed in CA · A133361

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.

97 SAN MARIN DR, Novato, CA 94945

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Secondary Practice Location 1

Location 1900 23rd St NWWashington, DC 20037-2342 · Phone (610) 212-5294

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sara Mathew Holmes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426229972

PECOS Enrollment IDI20260413001091

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 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 20

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

MS. ZIBA ANSARI-JABERI PHARM.D.

Pharmacist