NPPES file of Aug 9, 2026

Jenny Marie Grissom

Addiction (Substance Use Disorder) Counselor · Ukiah, CA

Jenny Marie Grissom is an addiction (substance use disorder) counselor with a practice address in Ukiah, California, and NPI 1730424219, issued on Dec 10, 2012. Check the license (California RI-G1004211925, 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
1730424219
Name
Jenny Marie Grissom
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
RI-G1004211925 CA
Self-reported in NPPES; status is on the state search
Practice location
1120 S Dora St, Ukiah, CA 95482
Phone
(707) 472-2637
Enumerated
Dec 10, 2012
Record last updated
Dec 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250808003677); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →

Also registered at 1120 S Dora St

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

  1. Scott Abbott, M.S.Marriage & Family Therapist1568527646
  2. Jesse Addington, LVNLicensed Vocational Nurse1306416136
  3. Jill AlesAddiction (Substance Use Disorder) Counselor1871959528
  4. Anna Anttila, RN, PHNCommunity Health Registered Nurse1891209128
  5. Lilia ArredondoCase Manager/Care Coordinator1104032481
  6. Khadananda BhandariCase Manager/Care Coordinator1801368527

Verify Jenny Marie Grissom 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 RI-G1004211925    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

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Jenny Marie Grissom among 27,741 addiction (substance use disorder) counselor records in California

Jenny Marie Grissom is one of 27,741 addiction (substance use disorder) counselor records with a practice address in California. under 1% 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 2012, is newer than 25% of them.

  • NPI issued2012 · 25% of these records are older, 72% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileYes · under 1% of these records are
  • Graduated2015 · median 2015 among the 32 with a school on file
  • Record last updated2012 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

64 addiction (substance use disorder) counselor records list a practice address in Ukiah

They are 64 of the 1,439 NPPES records with a practice address in Ukiah, 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 27,741 in California → Every provider in Ukiah → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Toni BlackUkiah, CA 954821992915987
  2. Marcia BonnetteUkiah, CA 954821629279336
  3. Joseph CampbellUkiah, CA 954821134334881
  4. Delaine Cooke, CO508241617Ukiah, CA 954821255547865
  5. Robert HakeUkiah, CA 954821003022526
  6. Molly HuddlestonUkiah, CA 954821700092228
  7. Leslie KirkpatrickUkiah, CA 954821245446764
  8. Jill MatternUkiah, CA 954821669514253

Common questions

What is Jenny Marie Grissom's NPI number?

Jenny Marie Grissom's National Provider Identifier (NPI) is 1730424219, issued on Dec 10, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Jenny Marie Grissom located?

The NPPES record lists a practice address at 1120 S Dora St, Ukiah, CA, 95482. Phone: (707) 472-2637. Providers update this record themselves, so call before visiting.

How can I verify Jenny Marie Grissom's license?

NPPES lists California license number RI-G1004211925, 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.