Dr. Matthew Nathan Louie, MD
- Medicare services, 2024
- 185
- Medicare patients, 2024
- 83
- MIPS score, 2024
- 88
- Hospital affiliations
- 1
- Industry payments
- $937
- Practice address
- 1700 Mt Vernon Ave, Bakersfield, CA 93306
- Practice phone
- Call (661) 326-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kern County Hospital Authority
Bakersfield, California
Find Dr. Louie's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Matthew Nathan Louie is a psychiatrist in Bakersfield, California
Dr. Louie practices at Kern County Hospital Authority in Bakersfield, California.
Dr. Louie's NPI, 1285139485, was assigned on March 28, 2018. Dr. Louie holds California license 206643.
- NPI
- 1285139485NPI Registry (opens in a new tab)
- NPI enumeration date
- March 28, 2018
- NPI status
- Active
- Practice phone
- (661) 326-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Matthew Nathan Louie practices at Kern County Hospital Authority in Bakersfield, California
Dr. Louie's primary practice is Kern County Hospital Authority, at 1700 Mt Vernon Ave, Bakersfield, CA 93306 in Kern County. The practice phone is (661) 326-2000.
- Kern County Hospital Authority1700 Mt Vernon Ave, Bakersfield, CA 93306 · Kern CountyPhone(661) 326-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Matthew Nathan Louie is affiliated with 2 sites of care and 2 medical groups
Dr. Louie's primary practice is Kern County Hospital Authority in Bakersfield, California. Dr. Louie is also affiliated with Kern Medical. The medical group on file is Kern Medical. Dmand AI also links Dr. Louie to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Nathan Louie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Louie practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kern County Hospital Authority | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Nathan Louie is one of 6,803 psychiatrists in California
Psychiatry is Dr. Louie's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Louie is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Louie
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Nathan Louie billed Medicare for 185 services in 2024
CMS data shows 185 Medicare services from Dr. Louie across 2 procedure codes in 2024, for 83 Medicare patients. Medicare paid $12,580 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Louie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4432024: 18558%
Dr. Louie compared with the California median for psychiatrists, 2024
- Dr. Louie
- California median
- Medicare services
- 185vs 11955% above
- Medicare patients
- 83vs 412.0 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Louie's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Louie?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Louie and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew Nathan Louie treated 83 Medicare patients in 2024, average age 60
CMS counts 83 Medicare patients who saw Dr. Louie in 2024. The largest group is under 65, with 41 patients. 75% of them have anxiety, and 75% have high blood pressure. 84% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Dr. Louie's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Louie's Medicare patients by sex, 2024
- Women4048%
- Men4352%
Chronic conditions among Dr. Louie's Medicare patients, 2024
- Anxiety75%
- High blood pressure75%
- Mood disorders75%
- Schizophrenia and other psychoses75%
- Depression65%
- Alcohol and drug use disorders60%
- High cholesterol55%
- Tobacco use52%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Nathan Louie scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Louie for performance year 2024, reported as part of a group.
Dr. Louie's MIPS scores, performance year 2024
- 88of 100Final score
- 47.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Matthew Nathan Louie received $937 in industry payments from 2023 to 2024
CMS Open Payments shows 17 general payments to Dr. Louie from 6 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $385.
General payments to Dr. Louie by program year, 2023 to 2024
Companies that paid Dr. Louie the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew Nathan Louie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Medicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew Nathan Louie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Matthew Nathan Louie's NPI number?
Dr. Matthew Nathan Louie's NPI number is 1285139485. It was assigned on March 28, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Nathan Louie?
Dr. Matthew Nathan Louie is a psychiatrist in Bakersfield, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Matthew Nathan Louie practice?
Dr. Louie practices at 1700 Mt Vernon Ave, Bakersfield, CA 93306. Dr. Louie's primary practice is Kern County Hospital Authority in Bakersfield, California. Dmand AI also links Dr. Louie to 1 medical group.
What is Dr. Matthew Nathan Louie's office phone number?
The practice phone on file for Dr. Louie is (661) 326-2000.
What is Dr. Matthew Nathan Louie's medical license number?
Dr. Louie holds California license 206643.
Which hospitals is Dr. Matthew Nathan Louie affiliated with?
Dr. Louie is affiliated with Kern Medical.
What medical group is Dr. Matthew Nathan Louie part of?
Dr. Louie is linked to Kern Medical. Dmand AI links Dr. Louie to 1 more medical group.
Does Dr. Matthew Nathan Louie accept Medicare?
Yes. CMS data shows Dr. Louie billed Medicare for 185 services in 2024.
What is Dr. Matthew Nathan Louie's MIPS score?
Dr. Louie's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. Matthew Nathan Louie see?
CMS counts 83 Medicare patients who saw Dr. Louie in 2024, with an average age of 60.
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What services does Dr. Matthew Nathan Louie bill to Medicare?
In 2024, Dr. Louie's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
Has Dr. Matthew Nathan Louie received payments from drug or device companies?
CMS Open Payments shows $937 in general payments to Dr. Louie from 6 companies from 2023 to 2024. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Matthew Nathan Louie been practicing?
Dr. Louie's NPI was assigned in 2018.
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