Cameron Johnson, M.D.
NPI 1336164185 · Psychiatry Physician · Redlands, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cameron Johnson, M.D. is a Psychiatry Physician provider in Redlands, CA (NPI 1336164185).
Provider details
- NPI number
- 1336164185
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G70098 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
336 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 282 | $118 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 31 | $173 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 23 | $82 |
Typical Medicare-allowed amounts for these services range $82–$173 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 439 | 38 |
| Risperidone | 417 | 54 |
| Fluoxetine Hcl | 349 | 54 |
| Trazodone Hcl | 300 | 61 |
| Quetiapine Fumarate | 268 | 50 |
| Divalproex Sodium | 234 | 24 |
| Escitalopram Oxalate | 119 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is Cameron Johnson's NPI number?
- Cameron Johnson's National Provider Identifier (NPI) is 1336164185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cameron Johnson's specialty?
- Cameron Johnson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Cameron Johnson located?
- Cameron Johnson's practice location on file with NPPES is 1686 Barton Rd, Redlands, CA 92373-1488.
- What is Cameron Johnson's phone number?
- The practice phone number listed in the NPPES registry for Cameron Johnson is (909) 558-9552.
- Does Cameron Johnson accept Medicare?
- Cameron Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cameron Johnson's NPI active?
- Yes — Cameron Johnson's NPI (1336164185) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.