SIDNEY M MARCHASIN MD INC
NPI 1285915082
Preferred Provider Organization in Redwood City, CA

Q: What is Sidney M Marchasin MD Inc's NPI number?

The NPI number for Sidney M Marchasin MD Inc is 1285915082. It was assigned to this organization in the NPPES registry on September 7, 2011.

Q: What is Sidney M Marchasin MD Inc's specialty?

The primary specialty registered for this NPI is Preferred Provider Organization with taxonomy code 305R00000X.

Active since September 07, 2011

39 BIRCH ST, SUITE C, REDWOOD CITY, CA 94062(650) 363-8352(650) 363-8438 Get Directions Write a Review

NPPES record last updated: September 7, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Sidney M Marchasin Md Inc NPPES

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

SIDNEY M MARCHASIN MD INC (NPI 1285915082) is a healthcare organization registered as a preferred provider organization in Redwood City, California and active in the NPI registry since September 2011. The organization lists Sidney M Marchasin, Medical Doctor, as its authorized official.

NPPES Registry Identity

NPI1285915082

Entity TypeOrganization

Primary Taxonomy305R00000X

Legal Business NameSIDNEY M MARCHASIN MD INC

Location Address39 BIRCH ST, SUITE CRedwood City, CA 94062-1482

Mailing Address39 Birch St, Suite CRedwood City, CA 94062 · (650) 363-8352 · Fax (650) 363-8438

Phone(650) 363-8352

Fax(650) 363-8438

Organization SubpartNo

Authorized OfficialSidney M MarchasinMedical Doctor · (650) 363-8352

Enumeration DateSeptember 7, 2011

✔ NPI 1285915082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreferred Provider OrganizationManaged Care Organizations

Taxonomy Code305R00000X

License✔ Licensed in CA · A19161

Definition

A group of physicians and/or hospitals who contract with an employer to provide services to their employees. In a PPO, the patient may got to the physician of his/her choice, even if that physician does not participate in the PPO, but the patient receives care at a lower benefit level.

39 BIRCH ST, Redwood City, CA 94062

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Other Providers at the Same Location NPPES 2

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

AMERIMED CORP

Clinic/Center (Sleep Disorder Diagnostic)

39 BIRCH ST, SUITE B
REDWOOD CITY, CA 94062

San Mateo County (866) 887-6673

HAILING FEI MD

Internal Medicine

39 BIRCH ST, STE A
REDWOOD CITY, CA 94062

San Mateo County (650) 368-2888

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 Sidney M Marchasin MD Inc's NPI number?

The NPI number for Sidney M Marchasin MD Inc is 1285915082. It was assigned to this organization in the NPPES registry on September 7, 2011.

Where is Sidney M Marchasin MD Inc located?

Sidney M Marchasin MD Inc is located at 39 Birch St Suite C, Redwood City, CA 94062. The listed phone number is (650) 363-8352.

What is Sidney M Marchasin MD Inc's specialty?

The primary specialty registered for this NPI is Preferred Provider Organization with taxonomy code 305R00000X.

When was this NPI record last updated?

The NPPES record for Sidney M Marchasin MD Inc was last updated on September 7, 2011. 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.