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MATTHEW NATHAN LOUIE MD
NPI 1285139485
Psychiatry & Neurology - Psychiatry in Bakersfield, CA

Active since March 28, 2018PECOS Enrolled
85.73/100
CMS Quality Rating
1700 MOUNT VERNON AVE, BAKERSFIELD, CA 93306(661) 326-2234(661) 862-7682 Get Directions Write a Review

NPPES record last updated: April 3, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 3, 2023, Mar 28, 2018 (2 updates tracked since 2018).

About Matthew Nathan Louie Md NPPES

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

MATTHEW NATHAN LOUIE MD (NPI 1285139485) is an individual psychiatry provider in Bakersfield, California, licensed in California (206643) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285139485
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMATTHEW NATHAN LOUIECredential: MD
Location Address1700 MOUNT VERNON AVEBakersfield, CA 93306-4018
Mailing Address1700 Mount Vernon AveBakersfield, CA 93306-4018 · (661) 326-2234 · Fax (661) 862-7682
Phone(661) 326-2234
Fax(661) 862-7682
Sole ProprietorYes
Enumeration DateMarch 28, 2018
Last NPPES UpdateApril 3, 20232 updates tracked since enumeration
NPPES CertifiedAugust 31, 2022
✔ NPI 1285139485 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 · 206643
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1700 MOUNT VERNON AVE, Bakersfield, CA 93306
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Nathan Louie Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Matthew Louie reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Kern County Hospital Authority
Same address
General Acute Care Hospital
1700 MOUNT VERNON AVENUE
Bakersfield, CA 93306
  • Reassigned Medicare billing, California enrollment
  • 532 clinicians in this Medicare group
NPI 1376623538 (661) 326-2000
County Of Kern
0.1 mi
Mental Health (Including Community Mental Health Center)
2151 COLLEGE AVE
Bakersfield, CA 93305
  • Reassigned Medicare billing, California enrollment
  • 213 clinicians in this Medicare group
NPI 1205963113 (661) 868-6600

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
159 services41 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
26 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93306 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
$178.09 typical visit price
range $59.26 – $178.09
Typical copayment $44.52 (range $14.81 – $44.52)
Most-billed visit code 99205
Established Patient
$73.67 typical visit price
range $19.34 – $145.64
Typical copayment $18.41 (range $4.83 – $36.41)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.76
Promoting Interoperability100
Improvement Activities40
Cost59.39

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.

RYAN ROLESON
Emergency Medicine
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2168
MRS. BRIEANNA COX
Social Worker
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2000
DR. POOJA VISHNU PATEL PHARM.D.
Pharmacist (Pharmacotherapy)
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2362
JUSTIN A WEST PA-C
Physician Assistant
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2000
MR. BRYAN ELROD CRNA
Nurse Anesthetist, Certified Registered
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2000
DR. MOUJIDIN ALADE ADEBAYO MD
Internal Medicine
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2202
KELLY MAE HOOD DO
Obstetrics & Gynecology
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2000
STEPHANIE ZAPATA MD
Psychiatry & Neurology (Psychiatry)
1700 MOUNT VERNON AVE
BAKERSFIELD, CA 93306
Kern County (661) 326-2234

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 Matthew Louie's NPI number?

The NPI number for Matthew Louie is 1285139485. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Matthew Louie located?

Matthew Louie practices at 1700 Mount Vernon Ave, Bakersfield, CA 93306. The listed phone number is (661) 326-2234.

What is Matthew Louie's specialty?

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

Is Matthew Louie enrolled in Medicare?

Yes. Matthew Louie is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Louie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Louie reassigns Medicare benefits to 2 organizations: Kern County Hospital Authority (Bakersfield, CA) and County Of Kern (Bakersfield, CA). Each 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 Matthew Louie'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 Matthew Louie was last updated on April 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.