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RONALD JAMES SAGER MD INC
NPI 1730405341
Psychiatry & Neurology - Psychiatry in Santa Cruz, CA

Active since April 08, 2010
1663 DOMINICAN WAY STE 214, SANTA CRUZ, CA 95065(831) 515-7180(831) 401-2460 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ronald James Sager Md Inc NPPES

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

RONALD JAMES SAGER MD INC (NPI 1730405341) is a healthcare organization registered as a psychiatry in Santa Cruz, California and active in the NPI registry since April 2010. The organization lists Ronald James Sager, Owner, as its authorized official.

NPPES Registry Identity

NPI1730405341
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameRONALD JAMES SAGER MD INC
Location Address1663 DOMINICAN WAY STE 214Santa Cruz, CA 95065-1556
Mailing Address1663 Dominican Way Ste 214Santa Cruz, CA 95065-1556 · (831) 515-7180 · Fax (831) 401-2460
Phone(831) 515-7180
Fax(831) 401-2460
Organization SubpartNo
Authorized OfficialRonald James SagerOwner · (831) 515-7180
Enumeration DateApril 8, 2010
Last NPPES UpdateApril 22, 2026
NPPES CertifiedApril 22, 2026
✔ NPI 1730405341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1663 DOMINICAN WAY STE 214, Santa Cruz, CA 95065
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Other Identifiers 1

Medicaid00G848580CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ronald James Sager Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ronald James Sager MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ronald Sager, M.D.
Psychiatry
NPI 1780739706
1663 DOMINICAN WAY STE 214
Santa Cruz, CA 95065
(831) 515-7180
✔ PECOS✔ Accepts MedicareSame address

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

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 Ronald James Sager MD Inc's NPI number?

The NPI number for Ronald James Sager MD Inc is 1730405341. It was assigned to this organization in the NPPES registry on April 8, 2010.

Where is Ronald James Sager MD Inc located?

Ronald James Sager MD Inc is located at 1663 Dominican Way Ste 214, Santa Cruz, CA 95065. The listed phone number is (831) 515-7180.

What is Ronald James Sager MD Inc's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Ronald James Sager MD Inc enrolled in Medicare?

Yes. Ronald James Sager MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ronald James Sager MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Ronald James Sager MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ronald James Sager MD Inc was last updated on April 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.