Mary Johnson, LMFT
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Johnson's 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.
Mary Johnson is a marriage and family therapist in Fontana, California
Mary Johnson practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Mary Johnson's NPI, 1629201793, was assigned on August 24, 2009. Mary Johnson holds California license LMFT88231.
- NPI
- 1629201793NPI Registry (opens in a new tab)
- NPI enumeration date
- August 24, 2009
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Johnson practices at Fontana Medical Center in Fontana, California
Mary Johnson's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Johnson is affiliated with 1 site of care and 1 medical group
Mary Johnson's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Mary Johnson is one of 13,197 marriages and family therapists in California
Marriage and family therapist is Mary Johnson's primary specialty in the NPI Registry, under taxonomy code 106H00000X. Mary Johnson is licensed in California.
Specialties and state licenses
- Marriage and family therapist, CaliforniaPrimary
Marriages and family therapists near Mary Johnson
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
Mary Johnson's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Mary Johnson's median patient age at 33, with 91% women.
Mary Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women91%
- Men9%
Source: Dmand AI Patient Panel Data
Sources for Mary Johnson'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Mary Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Johnson's NPI number?
Mary Johnson's NPI number is 1629201793. It was assigned on August 24, 2009, and it is active in the NPI Registry.
What does Mary Johnson specialize in?
Mary Johnson is a marriage and family therapist in Fontana, California. The primary specialty in the NPI Registry is Marriage & Family Therapist (taxonomy code 106H00000X).
Where does Mary Johnson practice?
Mary Johnson practices at 9961 Sierra Ave, Fontana, CA 92335. Mary Johnson's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Mary Johnson's office phone number?
The practice phone on file for Mary Johnson is (909) 427-5000.
What is Mary Johnson's medical license number?
Mary Johnson holds California license LMFT88231.
Which hospitals is Mary Johnson affiliated with?
Mary Johnson practices at Fontana Medical Center in Fontana, California.
What medical group is Mary Johnson part of?
Mary Johnson is linked to Southern California Permanente Medical Group.
How long has Mary Johnson been practicing?
Mary Johnson's NPI was assigned in 2009.
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