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STEVEN M. TILLES, M.D., INC.
NPI 1033482351
Internal Medicine - Nephrology in San Jose, CA

Active since February 16, 2012
2505 SAMARITAN DR, 405, SAN JOSE, CA 95124(408) 356-8133(408) 356-6923 Get Directions Write a Review

NPPES record last updated: February 16, 2012. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Steven M. Tilles, M.d., Inc. NPPES

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

STEVEN M. TILLES, M.D., INC. (NPI 1033482351) is a healthcare organization registered as a nephrology in San Jose, California and active in the NPI registry since February 2012. The organization lists Steven M. Tilles, President, as its authorized official.

NPPES Registry Identity

NPI1033482351
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameSTEVEN M. TILLES, M.D., INC.
Location Address2505 SAMARITAN DR, 405San Jose, CA 95124-4006
Mailing Address2505 Samaritan Dr, 405San Jose, CA 95124-4006 · (408) 356-8133 · Fax (408) 356-6923
Phone(408) 356-8133
Fax(408) 356-6923
Organization SubpartNo
Authorized OfficialSteven M. TillesPresident · (408) 356-8133
Enumeration DateFebruary 16, 2012
✔ NPI 1033482351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
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.
Also ListedInternal MedicineTaxonomy 207R00000X
2505 SAMARITAN DR, San Jose, CA 95124
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Other Identifiers 2

Medicare UPINA48204
Medicare PIN00G403890CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven M. Tilles, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20120419000140Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Steven M. Tilles, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Steven Tilles, MD
Internal Medicine
NPI 1841292745
2505 SAMARITAN DR SUITE 405
San Jose, CA 95124
(408) 356-8133
✔ 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.

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

Documentation of Current Medications in the Medical Record
99%2,178 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
31%905 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
31%667 patients3/55-star benchmark: 61%
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.

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 Steven M. Tilles, M.D., Inc.'s NPI number?

The NPI number for Steven M. Tilles, M.D., Inc. is 1033482351. It was assigned to this organization in the NPPES registry on February 16, 2012.

Where is Steven M. Tilles, M.D., Inc. located?

Steven M. Tilles, M.D., Inc. is located at 2505 Samaritan Dr 405, San Jose, CA 95124. The listed phone number is (408) 356-8133.

What is Steven M. Tilles, M.D., Inc.'s specialty?

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

Is Steven M. Tilles, M.D., Inc. enrolled in Medicare?

Yes. Steven M. Tilles, M.D., Inc. is registered in the Medicare PECOS enrollment system.

When is Steven M. Tilles, M.D., Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Steven M. Tilles, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Steven M. Tilles, M.D., 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 Steven M. Tilles, M.D., Inc. was last updated on February 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.