Charles John Dollbaum, RPH
Pharmacist · Riverside, CA
Charles John Dollbaum, RPH is a pharmacist with a practice address in Riverside, California, and NPI 1851794358, issued on Sep 29, 2014. Check the license (California 69835, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles John Dollbaum
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 69835 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3849 Chicago Ave, Riverside, CA 92507
- Phone
- (951) 686-2671
- Enumerated
- Sep 29, 2014
- Record last updated
- Sep 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 3849 Chicago Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- VI Dang, RPHPharmacist1013143684
- Tuan Doan, RPHPharmacist1740555051
- Keerun MustafaPharmacist1356747935
- Nital PatelPharmacist1073830980
- Scott Tran, PHARM DPharmacist1043568116
Verify Charles John Dollbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 69835Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 93% of the cost of the top drugs
71 Medicare Part D claims for 65 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix28 claims
- Arexvy19 claims
- Boostrix Tdap13 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.
Charles John Dollbaum among 32,533 pharmacist records in California
Charles John Dollbaum, RPH is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 35% of them.
- NPI issued2014 · 35% of these records are older, 59% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
330 pharmacist records list a practice address in Riverside
They are 330 of the 13,893 NPPES records with a practice address in Riverside, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Riverside → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Maria Chinaka, PHARM.D.Riverside, CA 925071265703326
- VI Dang, RPHRiverside, CA 925071013143684
- Tuan Doan, RPHRiverside, CA 925071740555051
- Joseph Ennesser, PHARMD.Riverside, CA 925071508157835
- Kejing GuoRiverside, CA 925071487930376
- Tony HoRiverside, CA 925071992090989
- Long Nguyen, PHARM D.Riverside, CA 925071881913663
- Kathy Nguyen, PHARMDRiverside, CA 925071932428422
Common questions
What is Charles John Dollbaum, RPH's NPI number?
Charles John Dollbaum, RPH's National Provider Identifier (NPI) is 1851794358, issued on Sep 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Charles John Dollbaum, RPH located?
The NPPES record lists a practice address at 3849 Chicago Ave, Riverside, CA, 92507. Phone: (951) 686-2671. Providers update this record themselves, so call before visiting.
How can I verify Charles John Dollbaum, RPH's license?
NPPES lists California license number 69835, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Charles John Dollbaum, RPH prescribe under Medicare Part D?
In 2024, Charles John Dollbaum, RPH had 71 Medicare Part D claims for 65 beneficiaries; the average among pharmacist prescribers was 119. 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.