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DR. GARY STEVEN FELDMAN M.B.CHB
NPI 1891715009
Family Medicine - Sleep Medicine in Irvine, CA

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment
4902 IRVINE CENTER DR STE 104, IRVINE, CA 92604(949) 446-8990(949) 446-8535 Get Directions Write a Review

NPPES record last updated: September 21, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 21, 2024, Aug 25, 2020 (2 updates tracked since 2020).

About Dr. Gary Steven Feldman M.b.chb NPPES

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

DR. GARY STEVEN FELDMAN M.B.CHB (NPI 1891715009) is an individual sleep medicine provider in Irvine, California, licensed in California (A86656) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Long Beach, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1891715009
Entity TypeIndividualMale
Primary Taxonomy207QS1201X
Provider Legal NameDR. GARY STEVEN FELDMANCredential: M.B.CHB
Location Address4902 IRVINE CENTER DR STE 104Irvine, CA 92604-3334
Mailing AddressPo Box 12315Orange, CA 92859-8315 · (949) 446-8990
Phone(949) 446-8990
Fax(949) 446-8535
Sole ProprietorYes
Medical School CMSOtherGraduated 1984
Enumeration DateJuly 20, 2006
Last NPPES UpdateSeptember 21, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2024
✔ NPI 1891715009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QS1201X
License✔ Licensed in CA · A86656
Definition
A Family Medicine Physician 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.
Also ListedPediatrics · Sleep MedicineTaxonomy 2080S0012X · License A86656 (CA)
4902 IRVINE CENTER DR STE 104, Irvine, CA 92604
Open in Google Maps ↗

Secondary Practice Location 1

Location 12651 Elm Ave Ste 205Long Beach, CA 90806-1638 · Phone (562) 728-5234 · Fax (562) 490-9413

Other Identifiers 1

Medicaid00A866560CA

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, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gary Steven Feldman M.b.chb is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092937862
PECOS Enrollment IDI20150512002295
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gary Feldman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatric Sleep, Adoption And Development Clinic, Inc.
Same address
Sleep Medicine
4902 IRVINE CENTER DR STE 104
Irvine, CA 92604
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1740450378 (949) 446-8990

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
43 services22 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
26 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. KATHERINE YAMAUCHI PSYD
Psychologist (Clinical)
4902 IRVINE CENTER DR STE 104
IRVINE, CA 92604
Orange County (949) 446-8990
PEDIATRIC SLEEP, ADOPTION AND DEVELOPMENT CLINIC, INC.
Family Medicine (Sleep Medicine)
4902 IRVINE CENTER DR STE 104
IRVINE, CA 92604
Orange County (949) 446-8990

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 Gary Feldman's NPI number?

The NPI number for Gary Feldman is 1891715009. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is Gary Feldman located?

Gary Feldman practices at 4902 Irvine Center Dr Ste 104, Irvine, CA 92604. The listed phone number is (949) 446-8990.

What is Gary Feldman's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sleep Medicine, with taxonomy code 207QS1201X.

Is Gary Feldman enrolled in Medicare?

Yes. Gary Feldman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gary Feldman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gary Feldman reassigns Medicare benefits to Pediatric Sleep, Adoption And Development Clinic, Inc. (Irvine, CA). The 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 Gary Feldman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gary Feldman was last updated on September 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.