DR. DORIANA MICHIKO BAILEY M.D.
NPI 1477783900
Psychiatry & Neurology - Psychiatry in San Mateo, CA

Active since July 17, 2009PECOS EnrolledAccepts Medicare Assignment
1950 ALAMEDA DE LAS PULGAS, SAN MATEO, CA 94403(650) 573-3571(650) 572-9347 Get Directions Write a Review

NPPES record last updated: July 11, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Doriana Michiko Bailey M.d. NPPES

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

DR. DORIANA MICHIKO BAILEY M.D. (NPI 1477783900) is an individual psychiatry provider in San Mateo, California, licensed in California (A110163) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2008).

NPPES Registry Identity

NPI1477783900
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. DORIANA MICHIKO BAILEYCredential: M.D.
Location Address1950 ALAMEDA DE LAS PULGASSan Mateo, CA 94403-1222
Mailing Address1950 Alameda De Las PulgasSan Mateo, CA 94403-1222 · (650) 573-3571 · Fax (650) 572-9347
Fax(650) 572-9347
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2008
Enumeration DateJuly 17, 2009
Last NPPES UpdateJuly 11, 2022
NPPES CertifiedJuly 11, 2022
✔ NPI 1477783900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A110163
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1950 ALAMEDA DE LAS PULGAS, San Mateo, CA 94403

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. Doriana Michiko Bailey 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 ID9537354253
PECOS Enrollment IDI20101108001074
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 Doriana Bailey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Same address
Community/Behavioral Health
1950 ALAMEDA DE LAS PULGAS
San Mateo, CA 94403
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of San Mateo
  • 597 clinicians in this Medicare group

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 3

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services21 patients
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.
34 services14 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
24 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94403 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

Health Educator
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403
Counselor (Addiction (Substance Use Disorder))
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403
Psychiatry & Neurology (Psychiatry)
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403
Counselor (Addiction (Substance Use Disorder))
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403
Student in an Organized Health Care Education/Training Program
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403
Counselor (Mental Health)
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403
Marriage & Family Therapist
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403
Marriage & Family Therapist
1950 ALAMEDA DE LAS PULGAS
SAN MATEO, CA 94403

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 Doriana Bailey's NPI number?

The NPI number for Doriana Bailey is 1477783900. It was assigned to this individual provider in the NPPES registry on July 17, 2009.

Where is Doriana Bailey located?

Doriana Bailey practices at 1950 Alameda De Las Pulgas, San Mateo, CA 94403. The listed phone number is (650) 573-3571.

What is Doriana Bailey's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Doriana Bailey enrolled in Medicare?

Yes. Doriana Bailey 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 Doriana Bailey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Doriana Bailey reassigns Medicare benefits to San Mateo County (San Mateo, 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 Doriana Bailey'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 Doriana Bailey was last updated on July 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.