Advanced Sleep Diagnostics, Inc.

Advanced Sleep Diagnostics, Inc. is a healthcare organization registered as Sleep Medicine (Otolaryngology) Physician in Walnut Creek, CA, holding Type 2 (organization) NPI 1295274488 since 2017. The authorized official on file is Gregory Rhodes, President.

✓ Active NPI ✓ Valid NPI checksum Organization subpart

NPI	1295274488
Entity type	Organization (Type 2)
Legal business name	Advanced Sleep Diagnostics, Inc.
Parent organization	Bay Area Surgical Specialists, Inc.
Practice address	2637 SHADELANDS DR, Walnut Creek, CA, 94598
Phone	9254815950
Fax	9254815951
Enumeration date	2017-02-21
Last updated in NPPES	2020-02-27

Authorized official

Name	Gregory Rhodes
Title	President
Phone	9259326330

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
207YS0012X	Sleep Medicine (Otolaryngology) Physician	Primary	—	—

Copy-ready billing details

Provider: Advanced Sleep Diagnostics, Inc.
NPI: 1295274488
Taxonomy: 207YS0012X (Sleep Medicine (Otolaryngology) Physician)
Address: 2637 SHADELANDS DR, Walnut Creek, CA, 94598

Providers at this address

NPI	Name	Type	Specialty	Location
1346244183	Fernando Otero	Individual	Vascular Surgery Physician	Walnut Creek, CA
1831199280	Janette Walker	Individual	Obstetrics & Gynecology Physician	Walnut Creek, CA
1548244684	Will Lane	Individual	Gastroenterology Physician	Walnut Creek, CA
1275596207	Heather West	Individual	Licensed Practical Nurse	Walnut Creek, CA
1609831163	Paul Kim	Individual	Family Medicine Physician	Walnut Creek, CA
1750347100	Brian Chin	Individual	Surgery Physician	Walnut Creek, CA
1598714511	Kristina Kramer	Individual	Critical Care Medicine (Internal Medicine) Physician	Walnut Creek, CA
1881643831	Ka Ling (Karin) Cheung	Individual	Pulmonary Disease Physician	Walnut Creek, CA

Verify this record

Cross-check NPI 1295274488 against the authoritative CMS record: view Advanced Sleep Diagnostics, Inc. on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Advanced Sleep Diagnostics, Inc. located?

The practice location on file with NPPES is in Walnut Creek, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-02-27. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2020-02-27.