NPPES file of Aug 9, 2026

Katlene Millo-Bayan, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Fremont, CA

Katlene Millo-Bayan, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Fremont, California, and NPI 1295517464, issued on Oct 20, 2023. Check the license (California 2023088391, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295517464
Name
Katlene Millo-Bayan
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
2023088391 CA
Self-reported in NPPES; status is on the state search
Practice location
39180 Liberty St Ste 205, Fremont, CA 94538
Phone
(510) 451-2000
Enumerated
Oct 20, 2023
Record last updated
Mar 2, 2024
Medicare enrollment
Enrolled (PECOS I20240715003174); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →

Also registered at 39180 Liberty St Ste 205

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Theodore Ciesinski, PH.D.Psychologist1487918231
  2. Lorielle JohnsonBehavior Analyst1922957935
  3. Laura Kendall, LCSWClinical Social Worker1952029639
  4. Maria Kristina Llanes, NPPsychiatric/Mental Health Nurse Practitioner1164315164
  5. Edgar NabteBehavior Technician1225821358
  6. Ryan ReubenBehavior Technician1831982073

Verify Katlene Millo-Bayan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 2023088391    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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75% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

224 Medicare Part D claims for 27 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Katlene Millo-Bayan224
  2. Specialty average906

Most prescribed

  1. Quetiapine Fumarate41 claims
  2. Trazodone Hcl15 claims
  3. Aripiprazole14 claims
  4. Benztropine Mesylate13 claims
  5. Clonazepam13 claims
  6. Mirtazapine13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $170.88

3 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katlene Millo-Bayan$170.88
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ocean Psychiatry IncFremont, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katlene Millo-Bayan among 4,226 psychiatric/mental health nurse practitioner records in California

Katlene Millo-Bayan, PMHNP-BC is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 62% of them.

  • NPI issued2023 · 62% of these records are older, 28% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2023 · median 2021 among the 1,965 with a school on file
  • Record last updated2024 · 16% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in California

There are 4,226 psychiatric/mental health nurse practitioner records in California.

All 4,226 in California → Every provider in Fremont → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Stella Antony, DNP, PMHNP-BC.Fremont, CA 945381417529769
  2. Harkirat BajwaFremont, CA 945381295409597
  3. Kathleen Curry, PMHNP-CFremont, CA 945381821976366
  4. Madeline Furst, APRNFremont, CA 945381205489085
  5. Amruta Gill, NPFremont, CA 945381487486395
  6. Tatevik GrigoryanFremont, CA 945381477302305
  7. Albert LiuFremont, CA 945381194339382
  8. Maria Kristina Llanes, NPFremont, CA 945381164315164

Common questions

What is Katlene Millo-Bayan, PMHNP-BC's NPI number?

Katlene Millo-Bayan, PMHNP-BC's National Provider Identifier (NPI) is 1295517464, issued on Oct 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Katlene Millo-Bayan, PMHNP-BC located?

The NPPES record lists a practice address at 39180 Liberty St Ste 205, Fremont, CA, 94538. Phone: (510) 451-2000. Providers update this record themselves, so call before visiting.

How can I verify Katlene Millo-Bayan, PMHNP-BC's license?

NPPES lists California license number 2023088391, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Katlene Millo-Bayan, PMHNP-BC prescribe under Medicare Part D?

In 2024, Katlene Millo-Bayan, PMHNP-BC had 224 Medicare Part D claims for 27 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.