Jacob Johnson, MD
NPI 1194309724 · Psychiatry Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Johnson, MD is a Psychiatry Physician provider in San Mateo, CA (NPI 1194309724).
Provider details
- NPI number
- 1194309724
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A184926 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Fluoxetine Hcl | 35 |
| Trazodone Hcl | 25 |
| Hydroxyzine Hcl | 24 |
| Lurasidone Hcl | 24 |
| Duloxetine Hcl | 17 |
| Aripiprazole | 15 |
| Bupropion Hclbrand: Bupropion Xl | 15 |
| Paliperidonebrand: Paliperidone Er | 15 |
| Perphenazine | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$112 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-10
- Last updated
- 2023-04-16
- Certified
- 2023-04-16
Frequently asked questions
- What is Jacob Johnson's NPI number?
- Jacob Johnson's National Provider Identifier (NPI) is 1194309724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Johnson's specialty?
- Jacob Johnson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Johnson located?
- Jacob Johnson's practice location on file with NPPES is 225 37th Ave, San Mateo, CA 94403-4324.
- What is Jacob Johnson's phone number?
- The practice phone number listed in the NPPES registry for Jacob Johnson is (650) 573-2222.
- Does Jacob Johnson accept Medicare?
- Jacob Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Johnson's NPI active?
- Yes — Jacob Johnson's NPI (1194309724) is active in the NPPES registry as of the last update on 2023-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.