ADVANCED SLEEP DIAGNOSTICS, INC.
NPI 1295274488
Otolaryngology - Sleep Medicine in Walnut Creek, CA

Q: What is Advanced Sleep Diagnostics, Inc.'s NPI number?

The NPI number for Advanced Sleep Diagnostics, Inc. is 1295274488. It was assigned to this organization in the NPPES registry on February 21, 2017.

Q: What is Advanced Sleep Diagnostics, Inc.'s specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Sleep Medicine, with taxonomy code 207YS0012X.

Active since February 21, 2017

2637 SHADELANDS DR, WALNUT CREEK, CA 94598(925) 481-5950(925) 481-5951 Get Directions Write a Review

NPPES record last updated: February 27, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 27, 2020, Jul 3, 2019, Feb 21, 2017 (3 updates tracked since 2017).

On this page

About Advanced Sleep Diagnostics, Inc. NPPES

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

ADVANCED SLEEP DIAGNOSTICS, INC. (NPI 1295274488) is a healthcare organization registered as a sleep medicine in Walnut Creek, California and active in the NPI registry since February 2017. The organization lists Gregory Rhodes, President, as its authorized official.

NPPES Registry Identity

NPI1295274488

Entity TypeOrganization

Primary Taxonomy207YS0012X

Legal Business NameADVANCED SLEEP DIAGNOSTICS, INC.

Location Address2637 SHADELANDS DRWalnut Creek, CA 94598-2512

Mailing Address2637 Shadelands DrWalnut Creek, CA 94598-2512 · (925) 948-8143 · Fax (925) 215-4540

Phone(925) 481-5950

Fax(925) 481-5951

Organization SubpartYesParent: Bay Area Surgical Specialists, Inc.

Authorized OfficialGregory RhodesPresident · (925) 932-6330

Enumeration DateFebruary 21, 2017

Last NPPES UpdateFebruary 27, 20203 updates tracked since enumeration

✔ NPI 1295274488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207YS0012X

Definition

An Otolaryngologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

2637 SHADELANDS DR, Walnut Creek, CA 94598

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Advanced Sleep Diagnostics, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

345

Medicare enrollment records show 345 clinicians reassign Medicare billing to Advanced Sleep Diagnostics, Inc., which bills Medicare for the services they deliver. Of these, 43 practice at this address and 144 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 40

Nurse Practitioner53

Otolaryngology43

Orthopedic Surgery20

Family Practice18

General Surgery17

Internal Medicine17

Vascular Surgery17

Neurology16

32 other specialties144

Nearest to this location (20)

See all 345

Anthony Bernens, MD

Internal Medicine

NPI 1215983440

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 952-5545

✔ PECOS✔ Accepts MedicareSame address

Jennifer Chan, M.D.

Thoracic Surgery

NPI 1265634687

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 932-6330

✔ PECOS✔ Accepts MedicareSame address

Heidi Chang, MD

Obstetrics/Gynecology

NPI 1649681982

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 393-0033

✔ PECOS✔ Accepts MedicareSame address

Kaling Cheung, M.D.

Pulmonary Disease

NPI 1881643831

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 944-0166

✔ PECOS✔ Accepts MedicareSame address

Brian Chin, MD

General Surgery

NPI 1750347100

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 932-6330

✔ PECOS✔ Accepts MedicareSame address

Michael Deboisblanc, MD

General Surgery

NPI 1467554337

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 932-6330

✔ PECOSSame address

Jennifer Dion-Gokan, FNP

Nurse Practitioner

NPI 1831634708

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 430-5335

✔ PECOSSame address

Eman Elmi, DPM

Podiatry

NPI 1073930343

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 464-1982

✔ PECOS✔ Accepts MedicareSame address

Shayan Essapoor

Podiatry

NPI 1083103725

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 464-1982

✔ PECOS✔ Accepts MedicareSame address

Karen Fong, MD

Otolaryngology

NPI 1548275068

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 300-4680

✔ PECOS✔ Accepts MedicareSame address

Tarannum Guller, MD

Internal Medicine

NPI 1972532083

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 932-6330

✔ PECOS✔ Accepts MedicareSame address

Ali Hamraz, MD

Endocrinology

NPI 1083901961

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 951-0710

✔ PECOS✔ Accepts MedicareSame address

Brian Hopkins, MD

Urology

NPI 1891793980

2637 SHADELANDS DR STE C
Walnut Creek, CA 94598

(925) 378-4517

✔ PECOS✔ Accepts MedicareSame address

Corinne Jansen, MD

Obstetrics/Gynecology

NPI 1679065817

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 393-0033

✔ PECOS✔ Accepts MedicareSame address

Brian Keyashian, M.D.

Vascular Surgery

NPI 1962776245

2637 SHADELANDS DR STE A
Walnut Creek, CA 94598

(925) 932-6330

✔ PECOS✔ Accepts MedicareSame address

Jee-Hong Kim, M.D

Otolaryngology

NPI 1629423140

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 300-4680

✔ PECOS✔ Accepts MedicareSame address

Paul Kim, M.D.

Family Practice

NPI 1609831163

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 288-2828

✔ PECOSSame address

Dimitry Lerner, M.D.

Gynecological Oncology

NPI 1992965354

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 393-0033

✔ PECOS✔ Accepts MedicareSame address

Brandon Mccutcheon, MD

Neurosurgery

NPI 1093195380

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 430-5335

✔ PECOSSame address

Cynthia Mullen, M.D.

Gastroenterology

NPI 1013123140

2637 SHADELANDS DR
Walnut Creek, CA 94598

(925) 322-2372

✔ PECOS✔ Accepts MedicareSame address

See all 345 clinicians

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 Advanced Sleep Diagnostics, Inc.'s NPI number?

The NPI number for Advanced Sleep Diagnostics, Inc. is 1295274488. It was assigned to this organization in the NPPES registry on February 21, 2017.

Where is Advanced Sleep Diagnostics, Inc. located?

Advanced Sleep Diagnostics, Inc. is located at 2637 Shadelands Dr, Walnut Creek, CA 94598. The listed phone number is (925) 481-5950.

What is Advanced Sleep Diagnostics, Inc.'s specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Sleep Medicine, with taxonomy code 207YS0012X.

Is Advanced Sleep Diagnostics, Inc. enrolled in Medicare?

Yes. Advanced Sleep Diagnostics, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Advanced Sleep Diagnostics, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 345 clinicians in 40 Medicare specialties reassign their Medicare billing to Advanced Sleep Diagnostics, 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. The largest specialties are Nurse Practitioner (53), Otolaryngology (43) and Orthopedic Surgery (20). Of these, 43 practice at this address and 144 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Advanced Sleep Diagnostics, Inc. was last updated on February 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.