RUTH A. HOLLY MD
NPI 1902980980
Internal Medicine in San Rafael, CA

Q: What is Ruth Holly's NPI number?

The NPI number for Ruth Holly is 1902980980. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Q: What is Ruth Holly's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ruth Holly 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.

Active since October 25, 2006PECOS Enrolled

99 MONTECILLO RD, SAN RAFAEL, CA 94903(415) 444-2000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Ruth A. Holly Md NPPES

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

RUTH A. HOLLY MD (NPI 1902980980) is an individual internal medicine provider in San Rafael, California, licensed in California (G63241) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902980980

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameRUTH A. HOLLYCredential: MD

Location Address99 MONTECILLO RDSan Rafael, CA 94903-3308

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3429 · (510) 625-6262

Phone(415) 444-2000

Sole ProprietorNo

Enumeration DateOctober 25, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1902980980 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 · G63241

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.

99 MONTECILLO RD, San Rafael, CA 94903

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Other Identifiers 3

Medicare UPINF14648

Medicare ID-Type Unspecified00G632410

Medicaid00G632410CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruth A. Holly Md 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 Ruth Holly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

12 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

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 94903 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. MARTA JUDY FRIEDMAN LCSW, JD

Social Worker (Clinical)