John Mattison Davis, M.D.
Psychiatry Physician · Saint Paul, MN
John Mattison Davis, M.D. is a psychiatry physician with a practice address in Saint Paul, Minnesota, and NPI 1700857620, issued on Jan 30, 2006. Check the license on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- John Mattison Davis
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 0101264206 VA
Self-reported in NPPES; status is on the state search - Practice location
- 680 Stewart Ave, Saint Paul, MN 55102
- Phone
- (800) 257-7800
- Enumerated
- Jan 30, 2006
- Record last updated
- Jun 15, 2026
- Medicaid ID
- 7100127820 KY
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 974 in Minnesota → Look up another NPI →
Also registered at 680 Stewart Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Mattison Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $18.00
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Mattison Davis among 974 psychiatry physician records in Minnesota
John Mattison Davis, M.D. is one of 974 psychiatry physician records with a practice address in Minnesota. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 56% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Minnesota
There are 974 psychiatry physician records in Minnesota.
All 974 in Minnesota → Every provider in Saint Paul → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Gary Blount, MDSaint Paul, MN 551021326008442
- Carrie Borchardt, MDSt Paul, MN 551021689632044
- Peter Brodrick, MDSaint Paul, MN 551021720041528
- Ellen Garbo, MDSaint Paul, MN 551021043265689
- Charles Gill, MDSaint Paul, MN 551021083667331
- Frances Go, MDSaint Paul, MN 551021053378745
- Mary Lardizabal, DOSaint Paul, MN 551021366492076
- Robert Nesheim, M.D.Saint Paul, MN 551021114926219
Common questions
What is John Mattison Davis, M.D.'s NPI number?
John Mattison Davis, M.D.'s National Provider Identifier (NPI) is 1700857620, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Mattison Davis, M.D. located?
The NPPES record lists a practice address at 680 Stewart Ave, Saint Paul, MN, 55102. Phone: (800) 257-7800. Providers update this record themselves, so call before visiting.
How can I verify John Mattison Davis, M.D.'s license?
Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.