NPPES file of Aug 9, 2026

Jennifer Dethlefsen

Addiction (Substance Use Disorder) Counselor · Upland, CA

Jennifer Dethlefsen is an addiction (substance use disorder) counselor with a practice address in Upland, California, and NPI 1861808628, issued on Jul 1, 2014. Check the license 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861808628
Name
Jennifer Dethlefsen
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
Practice location
916 N Mountain Ave, Upland, CA 91786
Phone
(909) 932-1069
Enumerated
Jul 1, 2014
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.
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Also registered at 916 N Mountain Ave

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

  1. Robert BevinsCounselor1295926780
  2. Bobbi BrasfieldCommunity Health Worker1942630009
  3. Alan CollinsCounselor1093906588
  4. Rodney CowartCounselor1609067115
  5. Starla CoylCommunity Health Worker1376973784
  6. Dawn EarlsCounselor1508058793

Verify Jennifer Dethlefsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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170 addiction (substance use disorder) counselor records list a practice address in Upland

They are 170 of the 1,846 NPPES records with a practice address in Upland, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 170 in Upland → All 27,741 in California → Every provider in Upland →

Other addiction (substance use disorder) counselor records in California

  1. Sean A Jerome, CADCIICosta Mesa, CA1831884550
  2. Carrie AamodtVisalia, CA1932661311
  3. Emory Aaron, CCAPP C4321214Los Angeles, CA1073980801
  4. Lisa Aaron, CASACCulver City, CA1356090849
  5. Michael Abacherli, JD, RADTSan Jacinto, CA1235826983
  6. Victor AbadEl Cajon, CA1205562238
  7. Sean AbairTaft, CA1174084347
  8. Maira AbalosDelano, CA1508452038
  9. Jazmine AbanicoVentura, CA1851964613
  10. Israel Abarca, CAADESan Francisco, CA1114126950

Common questions

What is Jennifer Dethlefsen's NPI number?

Jennifer Dethlefsen's National Provider Identifier (NPI) is 1861808628, issued on Jul 1, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Dethlefsen located?

The NPPES record lists a practice address at 916 N Mountain Ave, Upland, CA, 91786. Phone: (909) 932-1069. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Dethlefsen's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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 27, 2026.