DR. LEONARD MICHAEL TYKO II DDS, MD
NPI 1770626921
General Practice in Santa Rosa, CA

Q: What is Leonard Tyko's NPI number?

The NPI number for Leonard Tyko is 1770626921. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Q: What is Leonard Tyko's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Q: Is Leonard Tyko enrolled in Medicare?

No. Leonard Tyko has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Leonard Tyko was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 February 15, 2007Opted out of Medicare · through Jan 1, 2027

1174 MONTGOMERY DR, SANTA ROSA, CA 95405(707) 545-4625 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Leonard Michael Tyko Ii Dds, Md NPPES

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

DR. LEONARD MICHAEL TYKO II DDS, MD (NPI 1770626921) is an individual general practice provider in Santa Rosa, California, licensed in California (A71195) and active in the NPI registry since February 2007. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1770626921

Entity TypeIndividualMale

Primary Taxonomy208D00000X

Provider Legal NameDR. LEONARD MICHAEL TYKO IICredential: DDS, MD

Location Address1174 MONTGOMERY DRSanta Rosa, CA 95405-4818

Mailing Address1174 Montgomery DrSanta Rosa, CA 95405-4818 · (707) 545-4625

Phone(707) 545-4625

Sole ProprietorYes

Enumeration DateFebruary 15, 2007

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1770626921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in CA · A71195

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Also ListedDentist · Oral and Maxillofacial SurgeryTaxonomy 1223S0112X · License OMS031 (CA)

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Leonard Michael Tyko Ii Dds, Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2013 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2013

Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES

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

MR. MICHAEL F HOEY

Dentist (Oral and Maxillofacial Surgery)

1174 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (707) 545-4625

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 Leonard Tyko's NPI number?

The NPI number for Leonard Tyko is 1770626921. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Where is Leonard Tyko located?

Leonard Tyko practices at 1174 Montgomery Dr, Santa Rosa, CA 95405. The listed phone number is (707) 545-4625.

What is Leonard Tyko's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Leonard Tyko enrolled in Medicare?

No. Leonard Tyko has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Leonard Tyko was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.