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Dr. John H. Baker Jr., MD
NPI1548632698
- Part D claims, 2024
- 15
- Publications
- 1
- Industry payments
- $165
- State licenses
- 3
- Year NPI issued
- 2015
- Practice address
- 2775 Richardson Dr, Auburn, CA 95603-2735
- Practice phone
- Call (209) 483-8589
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Baker'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 H. Baker Jr. is a psychiatrist in Auburn, California
Dr. Baker practices in Auburn, California.
Dr. Baker's NPI, 1548632698, was assigned on October 28, 2015. Dr. Baker graduated from Vagelos College of Physicians and Surgeons in 1966. Dr. Baker holds California license G18929.
NPI and contact details
- NPI
- 1548632698NPI Registry (opens in a new tab)
- NPI enumeration date
- October 28, 2015
- NPI status
- Active
- Practice phone
- (209) 483-8589
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1966
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John H. Baker Jr.'s practice address is in Auburn, California
Dr. Baker's practice address in the NPI Registry is 2775 Richardson Dr, Auburn, CA 95603-2735. The practice phone is (209) 483-8589.
- NPI Registry address2775 Richardson Dr, Auburn, CA 95603-2735Phone(209) 483-8589
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John H. Baker Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Baker's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. John H. Baker Jr. is one of 6,803 psychiatrists in California
Psychiatry is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Baker is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Baker's licenses on file in 3 states: California, New York and Oregon.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- New York license
- Oregon license
Psychiatrists near Dr. Baker
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
6,803psychiatrists in California
3psychiatrists in Auburn
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John H. Baker Jr. wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Baker wrote 15 Medicare Part D claims. 100% of them were for generic drugs.
Part D claims, 202415
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. John H. Baker Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Baker. Dr. Baker's most frequent co-author is Josie Lim Olympia, MD.
Papers1
Dr. Baker's most frequent co-authors
Recent publications by Dr. Baker
See who Dr. Baker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baker works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John H. Baker Jr. received $165 in industry payments from 2017 to 2025
CMS Open Payments shows 3 general payments to Dr. Baker from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Braeburn Inc. paid the most, $132.
General payments to Dr. Baker by program year, 2017 to 2025
Companies that paid Dr. Baker the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John H. Baker Jr. graduated from Vagelos College of Physicians and Surgeons
Dr. Baker graduated from Vagelos College of Physicians and Surgeons in 1966.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. John H. Baker Jr.'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Dr. John H. Baker Jr.
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 H. Baker Jr.'s NPI number?
Dr. John H. Baker Jr.'s NPI number is 1548632698. It was assigned on October 28, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. John H. Baker Jr.?
Dr. John H. Baker Jr. is a psychiatrist in Auburn, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John H. Baker Jr. practice?
Dr. Baker practices at 2775 Richardson Dr, Auburn, CA 95603-2735.
What is Dr. John H. Baker Jr.'s office phone number?
The practice phone on file for Dr. Baker is (209) 483-8589.
What is Dr. John H. Baker Jr.'s medical license number?
Dr. Baker holds California license G18929, one of the licenses on file in 3 states.
Which states has Dr. John H. Baker Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Baker in California (1970 to 2027), New York (since 1973) and Oregon (since 1969).
Is Dr. John H. Baker Jr. board certified?
Yes. Dr. Baker is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. John H. Baker Jr. go to medical school?
Dr. Baker graduated from Vagelos College of Physicians and Surgeons in 1966.
Has Dr. John H. Baker Jr. received payments from drug or device companies?
CMS Open Payments shows $165 in general payments to Dr. Baker from 2 companies from 2017 to 2025. The largest total came from Braeburn Inc.
How long has Dr. John H. Baker Jr. been practicing?
Dr. Baker graduated from medical school in 1966, 60 years ago.
Does Dr. John H. Baker Jr. do research?
Dmand AI links 1 publication to Dr. Baker.
Who does Dr. John H. Baker Jr. publish with?
Dr. Baker's most frequent co-authors are Josie Lim Olympia, MD (1 shared paper).
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