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MARY KAY DYES M.D.
NPI 1891737219
Psychiatry & Neurology - Neurology in Long Beach, CA

Active since June 11, 2006PECOS EnrolledAccepts Medicare Assignment
2880 ATLANTIC AVE, 260, LONG BEACH, CA 90806(562) 490-3580(562) 490-3584 Get Directions Write a Review

NPPES record last updated: October 21, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Kay Dyes M.d. NPPES

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

MARY KAY DYES M.D. (NPI 1891737219) is an individual neurology provider in Long Beach, California, licensed in California (A43176) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At Houston (1985).

NPPES Registry Identity

NPI1891737219
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameMARY KAY DYESCredential: M.D.
Location Address2880 ATLANTIC AVE, 260Long Beach, CA 90806-1714
Mailing Address2880 Atlantic Ave, 260Long Beach, CA 90806-1714 · (562) 490-3580 · Fax (562) 490-3584
Phone(562) 490-3580
Fax(562) 490-3584
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1985
Enumeration DateJune 11, 2006
Last NPPES UpdateOctober 21, 2011
✔ NPI 1891737219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A43176
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
2880 ATLANTIC AVE, Long Beach, CA 90806
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Other Identifiers 1

Medicare UPINF07134CA

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

Mary Kay Dyes M.d. 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 ID3072609536
PECOS Enrollment IDI20111215000470
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 Mary Dyes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Adult & Child Neurology Medical Associates Inc.
Same address
Neurology
2880 ATLANTIC AVE, 260
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1013959402 (562) 490-3580

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

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90806 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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 20

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

ADULT & CHILD NEUROLOGY MEDICAL ASSOCIATES INC.
Psychiatry & Neurology (Neurology)
2880 ATLANTIC AVE, 260
LONG BEACH, CA 90806
Los Angeles County (562) 490-3580
THANH T LE M.D.
Psychiatry & Neurology (Neurology)
2880 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 490-3580
LOUIE HOANG NGUYEN MD
Anesthesiology
2880 ATLANTIC AVE, STE 180
LONG BEACH, CA 90806
Los Angeles County (310) 792-3914
JASMIN DAO M.D.
Pediatrics
2880 ATLANTIC AVE, #260
LONG BEACH, CA 90806
Los Angeles County (562) 490-3580
J H WELLS M D A PROFESSIONAL CORPORATION
Plastic Surgery
2880 ATLANTIC AVE, SUITE 290
LONG BEACH, CA 90806
Los Angeles County (562) 595-6543
RAYLEENE MIRANDA
Student in an Organized Health Care Education/Training Program
2880 ATLANTIC AVE
LONG BEACH, CA 90806
Los Angeles County (562) 490-3580
JUDY ROCHELLE WALKER R.N.
Registered Nurse
2880 ATLANTIC AVE, STE 255
LONG BEACH, CA 90806
Los Angeles County (562) 424-4815
JANINE K JENSEN, MD
Obstetrics & Gynecology (Gynecology)
2880 ATLANTIC AVE, STE 200
LONG BEACH, CA 90806
Los Angeles County (562) 424-4277

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 Mary Dyes's NPI number?

The NPI number for Mary Dyes is 1891737219. It was assigned to this individual provider in the NPPES registry on June 11, 2006.

Where is Mary Dyes located?

Mary Dyes practices at 2880 Atlantic Ave 260, Long Beach, CA 90806. The listed phone number is (562) 490-3580.

What is Mary Dyes's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mary Dyes enrolled in Medicare?

Yes. Mary Dyes 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 Mary Dyes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Dyes reassigns Medicare benefits to Adult & Child Neurology Medical Associates Inc. (Long Beach, 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 Mary Dyes'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 Mary Dyes was last updated on October 21, 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.