Frederick Grubstad
Psychiatric/Mental Health Nurse Practitioner · Campo, CA
Frederick Grubstad is a psychiatric/mental health nurse practitioner with a practice address in Campo, California, and NPI 1477039667, issued on Jul 11, 2018. Check the license (California 95019498, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Frederick Grubstad
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 95019498 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1777 Buckman Springs RD, Campo, CA 91906
- Phone
- (619) 478-5696
- Enumerated
- Jul 11, 2018
- Record last updated
- Jul 18, 2022
- Fax
- (619) 478-2404
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →
Also registered at 1777 Buckman Springs RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frederick Grubstad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95019498Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
26 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. Brand-name drugs were 0% of 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.
Frederick Grubstad among 4,226 psychiatric/mental health nurse practitioner records in California
Frederick Grubstad 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 2018, is newer than 30% of them.
- NPI issued2018 · 30% of these records are older, 65% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2022 · 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).
1 psychiatric/mental health nurse practitioner record lists a practice address in Campo
They are 1 of the 91 NPPES records with a practice address in Campo, and 4,226 psychiatric/mental health nurse practitioner records in California.
All 4,226 in California → Every provider in Campo → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Rizalina Albano, NP, PMHNPChula Vista, CA 919101811430820
- Jonathan Allotey, DNPChula Vista, CA 919101982362026
- Julie CabadingChula Vista, CA 919101346944287
- Lauren Castronovo, APNChula Vista, CA 919101932566031
- Brandon ColeChula Vista, CA 919101518690205
- Catherine Dang, PMHNPChula Vista, CA 919101528715943
- Darrell Deguzman, PMHNP, FNPChula Vista, CA 919101245709112
- Molly McLarenChula Vista, CA 919101922757145
Common questions
What is Frederick Grubstad's NPI number?
Frederick Grubstad's National Provider Identifier (NPI) is 1477039667, issued on Jul 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Frederick Grubstad located?
The NPPES record lists a practice address at 1777 Buckman Springs RD, Campo, CA, 91906. Phone: (619) 478-5696. Providers update this record themselves, so call before visiting.
How can I verify Frederick Grubstad's license?
NPPES lists California license number 95019498, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Frederick Grubstad prescribe under Medicare Part D?
In 2024, Frederick Grubstad had 26 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.