Dr. John E. Mattison, MD
- Industry payments
- $48,945
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 4760 W Sunset Blvd, Los Angeles, CA 90027-6063
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Mattison'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.
Dr. John E. Mattison is an internist in Los Angeles, California
Dr. Mattison practices in Los Angeles, California.
Dr. Mattison's NPI, 1174671010, was assigned on January 8, 2007. Dr. Mattison holds California license G46800.
- NPI
- 1174671010NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John E. Mattison's practice address is in Los Angeles, California
Dr. Mattison's practice address in the NPI Registry is 4760 W Sunset Blvd, Los Angeles, CA 90027-6063. The practice phone is (323) 783-4011.
- NPI Registry address4760 W Sunset Blvd, Los Angeles, CA 90027-6063Phone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John E. Mattison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mattison practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Mattison's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John E. Mattison is one of 16,751 internists in California
Internal medicine is Dr. Mattison's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mattison is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Mattison
Counts of internists 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
Dr. John E. Mattison received $48,945 in industry payments from 2018 to 2025
CMS Open Payments shows 33 general payments to Dr. Mattison from 2 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 77% of the total. Intuitive Surgical, Inc. paid the most, $48,819.
General payments to Dr. Mattison by program year, 2018 to 2025
General payments to Dr. Mattison by kind, 2018 to 2025
- Consulting fees$37,80077%
- Travel and lodging$6,92814%
- Speaker and faculty fees$4,0008%
- Food and beverage$2170%
Companies that paid Dr. Mattison the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John E. Mattison'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Dr. John E. Mattison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John E. Mattison's NPI number?
Dr. John E. Mattison's NPI number is 1174671010. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John E. Mattison?
Dr. John E. Mattison is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John E. Mattison practice?
Dr. Mattison practices at 4760 W Sunset Blvd, Los Angeles, CA 90027-6063.
What is Dr. John E. Mattison's office phone number?
The practice phone on file for Dr. Mattison is (323) 783-4011.
What is Dr. John E. Mattison's medical license number?
Dr. Mattison holds California license G46800.
Has Dr. John E. Mattison received payments from drug or device companies?
CMS Open Payments shows $48,945 in general payments to Dr. Mattison from 2 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John E. Mattison been practicing?
Dr. Mattison's NPI was assigned in 2007.
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