NPPES file of Aug 9, 2026

Denis Blumenthal, RPH

Pharmacist · Long Beach, CA

Denis Blumenthal, RPH is a pharmacist with a practice address in Long Beach, California, and NPI 1821651191, issued on Apr 22, 2019. Check the license (California RPH47051, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821651191
Name
Denis Blumenthal
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License number
RPH47051 CA
Self-reported in NPPES; status is on the state search
Practice location
4400 E Los Coyotes Diagonal, Long Beach, CA 90815
Phone
(562) 494-4282
Enumerated
Apr 22, 2019
Record last updated
Apr 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest pharmacist records → All 32,533 in California → Look up another NPI →

Also registered at 4400 E Los Coyotes Diagonal

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Imelda Catallo-Brigham, RPHPharmacist1568025948
  2. Salena Clevenger, PHARMDPharmacist1275266918
  3. Rashmi DelvadiaPharmacist1649109562
  4. Hueyfang FengPharmacist1669846317
  5. Allen LeePharmacist1710542113
  6. Linah NguyenPharmacist1396203568

Verify Denis Blumenthal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RPH47051    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Denis Blumenthal among 32,533 pharmacist records in California

Denis Blumenthal, 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 not. Its NPI, issued in 2019, is newer than 67% of them.

  • NPI issued2019 · 67% of these records are older, 27% newer
  • In a Medicare fileNo · 15% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2019 · 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).

367 pharmacist records list a practice address in Long Beach

They are 367 of the 13,650 NPPES records with a practice address in Long Beach, and 32,533 pharmacist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 32,533 in California → Every provider in Long Beach → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Thuc Bui, PHARMDLong Beach, CA 908151104134964
  2. Hongngoc Hoang, PHARM DLong Beach, CA 908151629380431
  3. Yuher Lo, PHARMACISTLong Beach, CA 908151316265655
  4. Sean Mai, DOCTOR OF PHARMACYLong Beach, CA 908151780885913
  5. Kevin Nguyen, RPHLong Beach, CA 908151396908968
  6. Pearl Nguyen, RPHLong Beach, CA 908151528387461
  7. Thi NguyenLong Beach, CA 908151437443611
  8. Hanh Pham, RPHLong Beach, CA 908151720307069

Common questions

What is Denis Blumenthal, RPH's NPI number?

Denis Blumenthal, RPH's National Provider Identifier (NPI) is 1821651191, issued on Apr 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Denis Blumenthal, RPH located?

The NPPES record lists a practice address at 4400 E Los Coyotes Diagonal, Long Beach, CA, 90815. Phone: (562) 494-4282. Providers update this record themselves, so call before visiting.

How can I verify Denis Blumenthal, RPH's license?

NPPES lists California license number RPH47051, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.