Frederick Koehler, NP
Psychiatric/Mental Health Nurse Practitioner · Newport Beach, CA
Frederick Koehler, NP is a psychiatric/mental health nurse practitioner with a practice address in Newport Beach, California, and NPI 1134814965, issued on Apr 7, 2023. Check the license (California 95028846, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Frederick Koehler
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 95028846 CA
95243751 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Quail St Ste 245, Newport Beach, CA 92660
- Phone
- (949) 948-4252
- Enumerated
- Apr 7, 2023
- Record last updated
- Jul 22, 2026
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →
Also registered at 1000 Quail St Ste 245
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Benvenuto, MSN PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1003730540
- Elizabeth Wenger, MA, LMFTMarriage & Family Therapist1083199459
Verify Frederick Koehler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95028846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
338 Medicare Part D claims for 45 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Lamotrigine29 claims
- Quetiapine Fumarate29 claims
- Clonazepam17 claims
- Trazodone Hcl17 claims
- Hydroxyzine Hcl16 claims
- Alprazolam14 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: $1,996.64
99 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Frederick Koehler among 4,226 psychiatric/mental health nurse practitioner records in California
Frederick Koehler, NP 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 fileNo · 46% of these records are
- Record last updated2026 · 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 Newport Beach → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Jibran AhmedNewport Beach, CA 926601992311823
- Sally Barbella, NPNewport Beach, CA 926601225317985
- Jacqueline Bredehoft, NPNewport Beach, CA 926601316269525
- Elliott Chadwick, PMHNPNewport Beach, CA 926601396146569
- Shirley Furman, N.P.Newport Beach, CA 926601942462536
- Charlotte Kalb, AGNP-BC, PMHNP-BCNewport Beach, CA 926601760861512
- Andrea Meza, NPNewport Beach, CA 926601891213914
- Laura Osmanski, NPNewport Beach, CA 926601265978647
Common questions
What is Frederick Koehler, NP's NPI number?
Frederick Koehler, NP's National Provider Identifier (NPI) is 1134814965, issued on Apr 7, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Koehler, NP located?
The NPPES record lists a practice address at 1000 Quail St Ste 245, Newport Beach, CA, 92660. Phone: (949) 948-4252. Providers update this record themselves, so call before visiting.
How can I verify Frederick Koehler, NP's license?
NPPES lists California license number 95028846, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Frederick Koehler, NP prescribe under Medicare Part D?
In 2024, Frederick Koehler, NP had 338 Medicare Part D claims for 45 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.
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.