Nicholas Weiss, AMFT
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 1143 Missouri Street, Fairfield, CA 94533
- Practice phone
- Call (707) 435-9911
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
MedMark Treatment Centers - Fairfield
Opioid Treatment Program (Methadone Clinic) · Fairfield, California
Find Nicholas Weiss' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Nicholas Weiss is a marriage and family therapist in Fairfield, California
Nicholas Weiss practices at MedMark Treatment Centers - Fairfield in Fairfield, California.
Nicholas Weiss' NPI, 1013256908, was assigned on February 12, 2013. Nicholas Weiss holds California license 1199227.
- NPI
- 1013256908NPI Registry (opens in a new tab)
- NPI enumeration date
- February 12, 2013
- NPI status
- Active
- Practice phone
- (707) 435-9911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Nicholas Weiss practices at MedMark Treatment Centers - Fairfield in Fairfield, California
Nicholas Weiss' primary practice is MedMark Treatment Centers - Fairfield, at 1143 Missouri Street, Fairfield, CA 94533. The practice phone is (707) 435-9911.
- MedMark Treatment Centers - Fairfield1143 Missouri Street, Fairfield, CA 94533Phone(707) 435-9911
Source: Dmand AI Affiliation Data
Nicholas Weiss is affiliated with 2 sites of care and 1 medical group
Nicholas Weiss' primary practice is MedMark Treatment Centers - Fairfield in Fairfield, California. The medical group on file is Solano County Health and Social Services. Dmand AI also links Nicholas Weiss to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Nicholas Weiss' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Weiss practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedMark Treatment Centers - Fairfield | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Nicholas Weiss is one of 13,197 marriages and family therapists in California
Marriage and family therapist is Nicholas Weiss' primary specialty in the NPI Registry, under taxonomy code 106H00000X. Nicholas Weiss is licensed in California.
Specialties and state licenses
- Marriage and family therapist, CaliforniaPrimary
Marriages and family therapists near Nicholas Weiss
Counts of marriages and family therapists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Nicholas Weiss' patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Nicholas Weiss' median patient age at 56, with 0% women.
Nicholas Weiss' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Sources for Nicholas Weiss's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Nicholas Weiss
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What is Nicholas Weiss' NPI number?
Nicholas Weiss' NPI number is 1013256908. It was assigned on February 12, 2013, and it is active in the NPI Registry.
What does Nicholas Weiss specialize in?
Nicholas Weiss is a marriage and family therapist in Fairfield, California. The primary specialty in the NPI Registry is Marriage & Family Therapist (taxonomy code 106H00000X).
Where does Nicholas Weiss practice?
Nicholas Weiss practices at 1143 Missouri Street, Fairfield, CA 94533. Nicholas Weiss' primary practice is MedMark Treatment Centers - Fairfield in Fairfield, California. Dmand AI also links Nicholas Weiss to 1 community health center.
What is Nicholas Weiss' office phone number?
The practice phone on file for Nicholas Weiss is (707) 435-9911.
What is Nicholas Weiss' medical license number?
Nicholas Weiss holds California license 1199227.
What medical group is Nicholas Weiss part of?
Nicholas Weiss is linked to Solano County Health and Social Services.
How long has Nicholas Weiss been practicing?
Nicholas Weiss' NPI was assigned in 2013.
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