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Dr. Jacob P. Johnson, MD
NPI1194309724
- Part D claims, 2024
- 383
- Publications
- 2
- Hospital affiliations
- 1
- Industry payments
- $112
- Medical groups
- 2
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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.
Dr. Jacob P. Johnson is a psychiatrist in San Mateo, California
Dr. Johnson practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Dr. Johnson's NPI, 1194309724, was assigned on May 10, 2021. Dr. Johnson graduated from OHSU School of Medicine in 2021. Dr. Johnson holds California license A184926.
NPI and contact details
- NPI
- 1194309724NPI Registry (opens in a new tab)
- NPI enumeration date
- May 10, 2021
- NPI status
- Active
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jacob P. Johnson practices at San Mateo Medical Center in San Mateo, California
Dr. Johnson's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Dr. Jacob P. Johnson is affiliated with 3 sites of care and 2 medical groups
Dr. Johnson's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. The medical group on file is San Mateo Medical Center. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, 1 skilled nursing facility and 1 medical group, each named with a free account.
San Mateo Medical Center1 group practice or clinicName with a free account1 skilled nursing facilityName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. JohnsonSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jacob P. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Jacob P. Johnson is one of 6,803 psychiatrists in California
Psychiatry is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Johnson is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists depression among the conditions Dr. Johnson treats.
Psychiatrists near Dr. Johnson
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
6,803psychiatrists in California87psychiatrists in San Mateo41psychiatrists at San Mateo Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jacob P. Johnson's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 75, with 59% women.
Dr. 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 75
Patient panel by sex, all payers
- Women59%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Jacob P. Johnson wrote 383 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 383 Medicare Part D claims for 19 patients. 92% of them were for generic drugs. CMS names the drug for 261 of them, across 15 drugs with 11 or more claims each, at $41,344 in total drug cost. In 2023, CMS named 131 claims across 8 drugs.
Part D claims, 2024383
Drugs named by CMS15
Total drug cost$41,344
Part D patients19
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic352 claims92%
- Brand-name31 claims8%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Antipsychotics, patients 65 and over7%26 of 383 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1312024: 26199%
Drugs named by CMS: 15 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Jacob P. Johnson has 2 publications on record
Dmand AI links 2 papers to Dr. Johnson, published from 2020 to 2022. The most frequent topics are Delivery of Health Care. Dr. Johnson's most frequent co-author is Jesse J. Keller, MD.
Papers2
Years published2020 to 2022
Topics Dr. Johnson writes about most
- Delivery of Health Care
Dr. Johnson's most frequent co-authors
Recent publications by Dr. Johnson
Attitude to HealthBehavior, AddictiveDelivery of Health Care
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson 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. Jacob P. Johnson received $112 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Indivior Inc. paid the most, $112.
Companies that paid Dr. Johnson the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jacob P. Johnson graduated from OHSU School of Medicine
Dr. Johnson graduated from OHSU School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Jacob P. Johnson accepts plans from 1 insurance carrier
Dr. Johnson is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Jacob P. 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 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Jacob P. 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 Dr. Jacob P. Johnson's NPI number?
Dr. Jacob P. Johnson's NPI number is 1194309724. It was assigned on May 10, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob P. Johnson?
Dr. Jacob P. Johnson is a psychiatrist in San Mateo, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Jacob P. Johnson practice?
Dr. Johnson practices at 222 W 39th Ave, San Mateo, CA 94403. Dr. Johnson's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Dr. Johnson to 1 group practice or clinic, 1 skilled nursing facility and 1 medical group.
What is Dr. Jacob P. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (650) 573-2222.
What is Dr. Jacob P. Johnson's medical license number?
Dr. Johnson holds California license A184926.
Which hospitals is Dr. Jacob P. Johnson affiliated with?
Dr. Johnson practices at San Mateo Medical Center in San Mateo, California.
What medical group is Dr. Jacob P. Johnson part of?
Dr. Johnson is linked to San Mateo Medical Center. Dmand AI links Dr. Johnson to 1 more medical group.
Where did Dr. Jacob P. Johnson go to medical school?
Dr. Johnson graduated from OHSU School of Medicine in 2021.
What drugs does Dr. Jacob P. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Fluoxetine HCl, Trazodone HCl and Hydroxyzine HCl.
Has Dr. Jacob P. Johnson received payments from drug or device companies?
CMS Open Payments shows $112 in general payments to Dr. Johnson from 1 company from 2024 to 2024. The largest total came from Indivior Inc.
Show 4 more questionsShow fewer questions
How long has Dr. Jacob P. Johnson been practicing?
Dr. Johnson graduated from medical school in 2021, 5 years ago.
Does Dr. Jacob P. Johnson do research?
Dmand AI links 2 publications to Dr. Johnson, published from 2020 to 2022.
Who does Dr. Jacob P. Johnson publish with?
Dr. Johnson's most frequent co-authors are Jesse J. Keller, MD (1 shared paper).
What insurance does Dr. Jacob P. Johnson accept?
Dr. Johnson is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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