Phillip Andrew Ostermann, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Lakewood, CA
Phillip Andrew Ostermann, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Lakewood, California, and NPI 1689356305, issued on Aug 2, 2023. Check the license (California 95026410, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phillip Andrew Ostermann
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 95026410 CA
819814 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6005 Balfern Ave, Lakewood, CA 90713
- Phone
- (562) 537-6731
- Enumerated
- Aug 2, 2023
- Record last updated
- Apr 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20260409001923); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →
Verify Phillip Andrew Ostermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95026410Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
67 Medicare Part D claims for 11 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
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: $405.45
15 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, 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.
Phillip Andrew Ostermann among 4,226 psychiatric/mental health nurse practitioner records in California
Phillip Andrew Ostermann, PMHNP 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 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 Lakewood → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Phillip Aguilar, PMHNPLakewood, CA 907131043942477
- Mark Awanyai, NPLakewood, CA 907131356056030
- Michael Canet, PMHNP-BCLakewood, CA 907131780448324
- Alicia Bulin, NPLakewood, CA 907121063772580
- Roy Allan Elevazo, PMHNP-BCLakewood, CA 907121427489483
- Ismail Al HuwaitatHarbor City, CA 907101295686129
- Uchenna Ekeanyanwu, PMHNPHarbor City, CA 907101578397493
- Yvette HolmanHawaiian Gardens, CA 907161205254125
Common questions
What is Phillip Andrew Ostermann, PMHNP's NPI number?
Phillip Andrew Ostermann, PMHNP's National Provider Identifier (NPI) is 1689356305, issued on Aug 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Phillip Andrew Ostermann, PMHNP located?
The NPPES record lists a practice address at 6005 Balfern Ave, Lakewood, CA, 90713. Phone: (562) 537-6731. Providers update this record themselves, so call before visiting.
How can I verify Phillip Andrew Ostermann, PMHNP's license?
NPPES lists California license number 95026410, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Phillip Andrew Ostermann, PMHNP prescribe under Medicare Part D?
In 2024, Phillip Andrew Ostermann, PMHNP had 67 Medicare Part D claims for 11 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.